Derco Construction
Derco Construction
Derco Construction is a family-owned general contractor in Fremont, operating since 1997. It specializes in ADUs and new construction for residential and commercial clients. Its team also builds custom additions and handles planning and permits.
Business Highlights
- The company lists California licence 733608.
- It says it has been family-owned and locally operated since 1997.
Service Area
Fremont and the Bay Area.
Active Business Listing
Derco Construction is one of 10 concrete & masonry contractors ProsGrade lists in Fremont, California.
5 services listed, including ADUs and junior ADUs, New residential and commercial construction and Custom home additions. Open 7 days a week. Rated 5.0 from 9 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Derco Construction compares with the other 9 concrete & masonry contractors on ProsGrade in Fremont, using public Google ratings and review counts.
- Rated 5.0 on Google, at or above the 4.8 average of other Fremont concrete & masonry contractors on ProsGrade.
Services Covered
5 services- ADUs and junior ADUsAccessory units for guest space, home offices or multigenerational living
- New residential and commercial constructionGround-up builds from planning and permits through completion
- Custom home additionsBedrooms, bathrooms, living spaces, offices and second-story extensions
- Plans and permittingArchitectural drawings, structural engineering and city submissions
- Remodeling and renovationResidential and commercial projects
Reviews
What customers say
Customers praise clear communication and professional crews, along with careful attention to detail. Several say projects met or beat the schedule; one customer credits Derek with understanding the brief and offering useful suggestions, while another describes a backyard ADU project as smooth.
Customer Reviews
Billy Rodriguez
John Sai
A Google User
Shalayna
Jefferson Jiang
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Frequently Asked Questions
Does Derco Construction handle permits?
It handles planning, drafting and permitting, including submitting plans for city approval.
Can it build a second-story addition?
Yes. Second-story extensions are among its custom addition options.
Does it work on commercial buildings?
Yes. It provides ground-up commercial construction and commercial renovations.








