
Preparing the next generation of construction professionals takes more than classroom instruction, it takes meaningful, hands-on experience.

The City of Richmond, in partnership with Alten Construction, recently marked the start of the renovation and modernization of the historic Richmond Main Library with a groundbreaking ceremony.

Alten Construction recently wrapped up its largest project to date with the completion of the Dr. David Wain Coon Center for Student Success at the College of Marin.

Alten Construction recently wrapped up its largest project to date with the completion of the Dr. David Wain Coon Center for Student Success at the College of Marin.
November 21, 2025

Alten Construction has recently completed a $25 million renovation of Tauzer Gymnasium at Santa Rosa Junior College (SRJC). Funded by Measure H, the project modernizes the 90-year-old facility with updated infrastructure, accessibility features and athletic amenities.
August 06, 2025

Many organizations waver when it comes to offering internships, often unsure if the investment of time and resources will truly pay off. However, when internships are designed with long-term goals in mind, such as supporting succession planning and preparing future team members,
June 18, 2025

Alten Construction , a full-service San Francisco Bay Area commercial construction company, recently celebrated its 30-year anniversary and a long-standing legacy of quality construction projects and service to the California community.
November 25, 2024

In the ever-changing world of commercial construction, few companies can claim the stability, expertise and dedication that comes with decades of experience. Since 1995, Alten Construction has been committed to building more than just structures but building relationships that last.
November 12, 2024

Alten Construction, a full-service San Francisco Bay Area commercial construction company, is finalizing work on Morello Park Elementary School, a public school part of the Martinez Unified School District. The commercial construction company broke ground on the $18 million project in June 2024. Over the course of summer, the project was completed in three increments.
October 14, 2024

Alten Construction recently began modernization work on the Alameda High School Swim Center, part of the Alameda Unified School District (AUSD).
Previously known as the Emma Hood Swim Center, the replacement project scope is comprised of improved aquatic facilities, including a new 12-lane by 30-meter competition pool for swim and water polo, a four-lane practice pool, new pool deck with lighting and all new non-climbable fencing.
September 27, 2024

Every employee at Alten Construction has their own story of how they came to join the commercial construction company, but there’s a common thread that keeps them there long term: co-owners Bob and Shannon Alten. Their genuine interest in the well-being of their workers and the strong, family-oriented culture they’ve built over nearly three decades is at the heart of what makes Alten Construction unique.
August 30, 2024

Company founders and co-owners Bob Alten and Shannon Alten welcome sons Bobby Alten and Billy Alten to company ownership, as well as longtime employee and chief estimator Erik Andresen.
May 15, 2024

Alten Construction, recently celebrated the completion of its Napa Valley Transportation Authority (NVTA) project.

Alten Construction, recently wrapped up construction on the Center for the Dominican Experience, located within the Archbishop Alemany Library at Dominican University of California.
April 8, 2024

Alten Construction recently welcomed three new team members: Monica Zeidan as project engineer, Manny Urteaga as senior project manager and Simon Chiu as estimator.
January 31, 2024

Alten Construction recently began the modernization of Longfellow Middle School, part of the Berkeley Unified School District.
September 26, 2023

Our team recently celebrated the completion of its Marin Elementary School project by donating more than 600 t-shirts to the school’s students.
August 28, 2023

This summer, our team had the pleasure of working with four talented individuals during their summer internships at Alten Construction! Not only do our interns gain valuable hands-on experience while assisting on a variety of different projects,

Our team recently began the remodel and modernization of Hogan Middle School, part of the Vallejo City Unified School District. The $20 million modernization project includes new roofs, HVAC systems, extensive site work, landscaping, new basketball courts and new lockers.

The commercial construction company’s first project took place in 1995 when the team of three completed a 23-bathroom renovation for the College of Alameda, Laney College and Merritt College, part of the Peralta Community College District.
January 16, 2023

Alten Construction recently completed a three-building remodel at Marin Catholic High School, an Archdiocesan, Catholic, co-ed college prep high school founded on the values of faith, knowledge and service.

This summer, Alten Construction had the opportunity to work with 10 hard working interns! These talented individuals have a passion for construction, and we wanted to take a moment to share a little more about them.
May 10, 2022

Part 2 of the interview of father-and-son team Joe and Jason Salow who are celebrating their 10-year anniversary with Alten Construction.
May 03, 2022

This year, father-and-son team Joe and Jason Salow are celebrating their 10-year anniversary with Alten Construction. In celebration of the shared milestone, the two offered some insight on what it’s like working together, what they’ve learned from each other and more.
July 28, 2021

Every summer, Alten Construction hires a number of college interns to help further their knowledge of the construction industry and valuable hands-on experience while assisting with a variety of different projects Alten Construction is currently working on.
February 15, 2021

Growing up, Billy and Bobby Alten learned at a young age about their parents’ passion and true labor of love - Alten Construction Company. As children, they both fondly remember helping out around the shop to support the family business.
December 18, 2020

Alten Construction recently completed the state-of-the-art Bill and Adele Jonas Center on the College of Marin - Indian Valley Campus.
The 15,600-square-foot design-build project included construction of the Bill and Adele Jonas Center, a facility ideal for events, meetings, training and a host of other activities. The construction team also made adjustments to an existing building and performed general site work.
November 6, 2020

More than two decades ago, Alten Construction began with humble beginnings and big challenges. This year, the commercial construction company celebrates its 25-year anniversary, marking a milestone that commemorates quality construction projects and service to the California community.

This month, Alten Construction completed construction on the City of San Rafael Public Safety Center, the largest public works contract to date for the city. The Public Safety Center houses the San Rafael Police Department, San Rafael Fire Department, the new Fire Station 51 and all associated offices and support.

Alten Construction recently began the modernization of Burlingame Intermediate School, a highly rated sixth-grade through eighth-grade public school.
The renovation includes remodeling a music room, auditorium restrooms, outdoor learning areas, walkways and paths of travel between classroom buildings and 5 classroom buildings with 20 classrooms, totaling 35,000 square feet. Alten Construction is working closely with Hamilton and Aitken Architects.

Alten Construction recently began working on an $8.05 million renovation to St. Anselm Hall on the campus of Marin Catholic High School.
Alten Construction began demolition of the 17,733-square-foot, two-story building and started working on the new construction phase. The classroom portion of the project is expected to be completed in time for the start of school with the remainder of the building slated for completion in September 2020.
July 14, 2020

Alten Construction recently completed construction on an addition to Albany High School.
Located in the center of the high school, the new 10,231-square-feet addition comprises a pair of two-story buildings, which includes a classroom building and an administration building with a multipurpose space. A breezeway and a second-floor balcony connect the two buildings.

Alten Construction recently broke ground on an addition to Belvedere-Tiburon Library.
Alten Construction began the expansion project in November 2019 and is expected to complete the project in March 2021. Designed by EHDD Architecture and Brown Reynolds Watford Architects, Inc., the project will be completed in phases, allowing the library to remain open throughout most of the construction period.
April 24, 2020

Alten Construction recently received the 2020 Best of Richmond Award in the Commercial Construction Contractors category by the Richmond Award Program, an annual awards program that honors the achievements and accomplishments of local businesses throughout the Richmond area.
December 3, 2019

Alten Construction recently completed renovations to San Rafael Fire Department Station 57.
Alten Construction began working on the $9.3 million project in June 2017 and finished the project in November 2019. A ribbon-cutting ceremony was held on November 15 to commemorate the occasion.
November 22, 2019

Alten Construction recently completed a modernization to Love Elementary School, formerly Henry Haight Elementary School in the Alameda Unified School District.
In April 2019, Alten Construction began working on the $4.71 million project, which consisted of a HVAC system upgrade, new administration office and a new student drop-off and visitor parking area, among other upgrades.
November 08, 2019

Alten Construction recently wrapped up a band room addition to Lawrence E. Jones Middle School.
The full-service San Francisco Bay Area commercial construction company began working on the roughly 3,500-square-foot space in November 2018 and completed the project in time for the start of school in August.September 12, 2019

Alten Construction, a full-service San Francisco Bay Area commercial construction company, recently completed a $5.86 million modernization to Lincoln Middle School in the Alameda Unified School District.
September 10, 2019

Alten Construction is routinely shopping for personalities. The full-service San Francisco Bay Area commercial construction company is always looking to develop its workforce with talented and enthusiastic individuals who are willing to help deliver exceptional general contracting services.
August 28, 2019

Trevor Simon, a superintendent with Alten Construction, recently celebrated his 20-year anniversary with the full-service San Francisco Bay Area commercial construction company.
Simon began his career at Alten Construction as a carpenter. Since that time, he has become an expert in rough carpentry and in building framing. Simon also has extensive experience as a carpenter, foreman and superintendent to each project he runs.
August 22, 2019

Alten Construction recently broke ground on Contra Costa County Fire Protection District (Con Fire) Station 70.
The new $9.778 million fire station will be named the Captain Matthew Burton and Engineer Scott Desmond Memorial Station in honor of the two fallen Con Fire firefighters who made the ultimate sacrifice on July 21, 2007 while attempting to rescue two elderly residents trapped in a burning home on nearby Michelle Drive. Once complete, the new station will serve as a standing memorial to their sacrifice.
July 02, 2019

Alten Construction announces they will be once again sponsoring a special event for First Responders. The Event will be held at Albert Park with the Pacifics Baseball team on August 17, 2019. It's a great opportunity to support our local First Responders that do so much for the community and is sure to be a fun night.

Alten Construction recently completed a $16 million seismic improvement for Fire Station No. 5. Alten Construction began working on the new 21,000-square-foot state-of-the-art fire station in April 2017, and a ribbon-cutting ceremony was held on May 1, 2019 to commemorate its completion. The project included the demolition of the existing building and construction of a new seismically safe three-story fire station with new building and life safety systems, ADA accessibility and other related improvements.

Allen Construction has broken ground on San Rafael High School's Madrone-Admin-Cafeteria-Kitchen (MACK) building project.
The construction company began preconstruction activities on the $29 million project, including site evaluation, surveys and set up, in December 2018 before breaking ground in March 2019. The 43,000-square-foot project is expected to take 17 months to complete and will open sometime during the 2020-21 school year.

Alten Construction recently broke ground on the new $13.3 million Bill and Adele Jonas Center on the College of Marin - Indian Valley Campus.
The 15,600-square-foot design-build project includes construction of the Bill and Adele Jonas Center, a new community and banquet event facility, alterations to an existing building and general site work. Alten Construction began design work on the project, alongside LCA Architects, in June 2018 before breaking ground in March 2019.

KIPP Bridge Academy now has a new facility to help support the educational pursuits of its fifth-grade through eighth-grade students looking to develop their knowledge, skills and character strengths.
In August 2018, KIPP Bridge Academy, a transitional kindergarten through eighth-grade public charter school that is free and open to all students, officially unveiled its new 17,000-square-foot upper school classroom, administration and cafeteria building.
April 25, 2019

Alten Construction recently wrapped up construction on the Henry M. Gunn High School’s Central Building project.
Alten Construction began working on the $21 million project, which consisted of a new two-story central building and the upgrade and modernization of the existing Spangenberg Theatre, in May 2017. The school’s music building and old library were demolished prior to the start of construction, and the 39,000-square-foot project was finished in February 2019.

Alten Construction recently began construction on an addition to Albany High School.
The Albany High School addition is a design-build, and Alten Construction has been involved with the project since early 2018. With a design-build delivery method project, the designer and the contractor work together as a team from the beginning, providing joint project recommendations. In addition to saving time and money, design-build projects allow for additional innovation and collaboration.

Alten Construction recently finished renovations to San Rafael Fire Department Station 52.
Alten Construction began working on the $10.6 million renovation project, located at 210 Third St. in San Rafael, in June 2017 and wrapped up the project in February 2019. The project includes three buildings: a 10,973-square-foot, two-story fire station, a 1,297-square-foot training classroom and a 1,342-square-foot pre-engineered, state-of-the-art five-story training tower, which includes props for fire drills and training.

Alten Construction recently finished construction on the historic Napa County Courthouse.
Construction on the $13 million project began in September 2017 and was wrapped up in January 2019. The facility had been closed since August 2014 following the South Napa Earthquake, which caused extensive damage to the historic courthouse. A grand reopening ceremony for the newly restored courthouse was held Jan. 22, 2019.
November 7, 2018

Alten Construction completed the modernization of Paden Elementary School in the Alameda Unified School District.
Alten Construction started the project June 11 and completed it in time for school to resume Aug. 20. The $3.29 million project included a complete window replacement, an AV data electrical upgrade and Americans with Disabilities Act (ADA) accessibility upgrades. The architect on the project was Mark Quattrocchi with Quattrocchi Kwok Architects (QKA).
October 2, 2018

San Jose City College students looking to explore a career in health and fitness now have a new facility to help support them on their educational journey.
In January 2018, the college officially unveiled its new 39,000-square-foot, two-story gymnasium building. San Jose City College teamed up with Alten Construction, a full-service San Francisco Bay Area construction company, in March 2016, on the $17.5 million project.
October 1, 2018

Roseland University Prep isn’t your typical high school.
With interior wood paneling, floor-to-ceiling windows and high-end finishes, Roseland University Prep in Santa Rosa, Calif. is more reminiscent of an upscale restaurant in downtown San Francisco than a high school.
The charter school, which was completed in November 2017 and is home to about 450 students, was built using high-end design elements. A particular emphasis was placed on carpentry, clean lines and the use of natural light that can be seen throughout the 30,000-square foot facility's interior.
September 28, 2018

ROHNERT PARK, Calif. — Alten Construction, a full-service San Francisco Bay Area commercial construction company, recently completed a new fire alarm system installation at Lawrence E. Jones Middle School.
Alten Construction started the project June 4 and finished the project by the time school resumed Aug. 14. The $1.67 million project included demolition and removal of the existing fire alarm system and the installation of a new fire alarm system, which includes smoke and heat detectors, for 13 buildings within the middle school.

Alex Adams isn’t afraid of a little hard work.
Whether it’s completing submittals and RFIs, helping with change orders or handling company meeting minutes and logs, Alex is willing to go above and beyond to help make sure the Foothill-De Anza Community College District office project remains on track. Alten Superintendent
That dedication and desire to take on additional tasks helped the former Alten Construction intern land a full-time position with the company as a project engineer in May 2018.

RICHMOND, Calif. – The historic headquarters of Alten Construction, a full-service San Francisco Bay Area commercial construction company, recently received a Historic Preservation Award by the Richmond Historic Preservation Commission and the National Park Service for its adaptive reuse of the former National Oil Products factory.
Alten Construction completed the 70-year-old factory in the Marina Bay industrial area in August 2017. Bob Alten, founder and CEO of Alten Construction, partnered with architect Andrew Butt and landscape architect JC Miller Studio to refurbish the building, which was built in 1946 by vitamin manufacturer and also housed a lighting factory.

Alten Construction, a full-service San Francisco Bay Area commercial construction company, completed the construction for Will C. Wood High School’s new high school football stadium with multi-use track and field.
The new stadium and multi-use track and field will be used for football games, soccer matches and track and field events. A ribbon-cutting ceremony was held to commemorate the occasion on May 3 to unveil it. Faculty, students, district officials and members of the community filled the stadium’s field and stands during the event.
July 15, 2018

RICHMOND, Calif. – Alten Construction, a full-service San Francisco Bay Area commercial construction company, recently welcomed Howard Burgess to its team as a superintendent. Burgess brings more than 24 years of experience in the construction industry to the firm. He has extensive knowledge in the public works sector and has completed projects on educational facilities, firehouses and county buildings, among others.
July 6, 2018

This year, 25 Alten Construction employees celebrate anniversaries with the company.
Bob and Shannon Alten dreamt of creating a cohesive construction team that works together to create amazing structures throughout the San Francisco Bay Area.

Full-service San Francisco Bay Area commercial construction company Alten Construction is presenting Firefighter Appreciation Night on Saturday, July 14 at the San Rafael Pacifics baseball stadium.
Benefiting the San Rafael Fire Foundation, attendees can purchase a $25 package that includes a game ticket and unique firefighters appreciation t-shirt and provides a $10 donation to the foundation. General admission tickets will also be available and range from $15-$20.
April 18, 2018

Alten Construction completed the more than $1.7 million restoration project in December 2017. The commercial construction company was awarded for its efforts when the Goodman Library was awarded the Historical Project of the Year award from the American Public Works Association (APWA) Northern California Chapter for its restoration.
March 6, 2018

During its 23-year history, Alten Construction, which offers a full range of construction services specializing in public works facilities, has managed more than a dozen fire station projects. That history allows the firm to build efficient, durable, comfortable stations that meet the needs of the firefighters, with the foresight to avoid costly errors.
February 28, 2018

The San Francisco Bay Area commercial construction company, has been awarded the contract to build the new $35 million San Rafael Public Safety Center and began construction this month.
Slated for completion in 2020, the 44,000-square-foot building will house police, fire and administrative facilities.
“Facilities like these are unique,” said Bob Alten, president and co-founder of Alten Construction, of the combined facilities. “It’s a project you do not see very often, and we were excited to be selected to help build this for the area. We started our business in San Rafael, and we live in San Rafael. We feel like we’re doing something for the community.”
February 13, 2018

Alten Construction, recently began the expansion for KIPP Bridge Academy, a transitional kindergarten through eighth-grade public charter school that is free and open to all students.
KIPP Bridge Academy has educated students in West Oakland since its founding in 2002 and is now expanding to serve more students, adding to the one building that is currently on its campus.
January 22, 2018

Alten Construction repaired the 2014 earthquake damage to the 5,433-square-foot building built in 1901. The project, which began in April 2017, is being nominated for the Project of the Year Award through the American Public Works Association (APWA).
During the more than $1.7 million project, the construction installed a new roof, repaired and reinforced timber roof trusses, fixed damaged terra cotta entry columns and the entry doorway arch and restored and repaired interior wood trim, lath and plaster walls and dislodged interior metal tin ceiling tiles and trim.
November 30, 2017

The $14 million project began in May 2017 and is slated to wrap up in January 2018. The stadium and multi-use track and field will be used for football games, soccer matches and track and field events.
The stadium will boast a new ceiling-mounted projector, turf field, ticket booth, locker rooms, concessions, press box and an accessible ramp that will be adorned with donor-purchased wall tiles. Its new bleacher grandstands with amphitheater-style seating will hold 4,000 fans.
November 8, 2017

The $11.6 million project, which began last month, will repair the courthouse damage caused by the Aug. 24 south Napa earthquake. The work will also include the 16,000-square-foot courthouse historical renovation, a structural retrofit and new restrooms.
The 18,000-square-foot structure consists of an 1878 historical building that has been unoccupied since the earthquake. An addition was later built and is still in service for the County Court.

It took seven years of searching, but Bob Alten finally found the perfect location for the new Alten Construction headquarters — a spot in Richmond’s historic waterfront industrial district just two miles away from his company’s former office. The only problem with the proposed “new” HQ? The property’s very old building.
Alten collaborated with architect Andrew Butt on the renovation, a yearlong project that involved extensive repair and historic salvage as well as creative design and masterful execution. Ultimately, the team was able to reveal and celebrate the gem of a structure that lay under decades of neglect and decay.
August 03, 2017

Alten Construction strives to help every member of its team navigate a successful career path – from interns and new employees to those who are interested in project management, engineering or supervisory roles.
Everyone that works at Alten Construction, a full-service San Francisco Bay Area commercial construction company, is considered part of the Alten family and that includes six college students who are working alongside Alten Construction project managers and superintendents this summer to learn more about the construction industry.
August 01, 2017

Alten Construction, a full-service San Francisco Bay Area commercial construction company, has started construction on the new, state-of-the-art San Rafael Fire Department Station 52.
The state-of-the-art updates include the new station, a training tower and a classroom building. The new 10,973-square-foot two-story fire station will house five on-duty fire fighters in a 24-hour shift, increasing the number of on-duty staff from three to five.

Alten Construction, a full-service San Francisco Bay Area commercial construction company, recently completed construction on four new buildings for Sequoia Union High School District’s Menlo-Atherton High School, a four-year comprehensive secondary school.

Alten Construction, a full-service San Francisco Bay Area commercial construction company, has been awarded the contract to construct the new, state-of-the-art San Francisco Fire Department Station 5, a division station and one of the biggest and busiest fire stations in the city.

Alten Construction has completed a new Fire Station No. 3 and Emergency Operations Center for the City of Alameda. The two facilities are adjacent to each other on the same piece of property, which is about half an acre. The Fire Station at …
April 26, 2017

Robert Alten, president and CEO of Alten Construction, a full-service San Francisco Bay area commercial construction company, was installed as the president of the Construction Employers’ Association on Jan. 10 …
April 26, 2017

This week, restoration started on the historical Goodman Library in downtown Napa. Alten Construction will repair the 2014 earthquake damage at the 5,433-square-foot building built in 1901 …

Alten Construction has broken ground on a two-story office building for the Foothill-De Anza Community College District, which operates Foothill College in Los Altos Hills, Calif., and De Anza College in Cupertino, Calif. …
March 06, 2017

This fall, about 450 students at Roseland University Prep in Santa Rosa, Calif., will move into a brand new 31,000-square-foot school built by Alten Construction, a full-service San Francisco Bay Area commercial construction company …

Alten Construction has finalized the reactivation and modernization of a six-acre bus maintenance facility in Richmond, Calif., for the Alameda-Contra Costa Transit District, known as AC Transit …
December 20, 2016

San Francisco Bay area contractor Alten Construction announced the recent completion of construction on Sonoma County’s new Fleet and Materials Lab facility. The 21,000-sq-ft facility at 709 Russell Ave. in Santa Rosa, CA, will be used for servicing the county’s fleet of vehicles and for testing and analysis of soil …