G Family Construction, Inc.
G Family Construction, Inc.
G Family Construction, Inc. is a residential design-build and construction firm based in San Rafael, specializing in home remodels and new builds across Marin County. Brothers David and Jon founded the company in 2001 after learning carpentry as apprentices to their father, James Grabham.
Last Updated October 3, 2026.
Business Highlights
- G Family, Inc. holds CSLB license #893848.
- The company lists Best of Houzz for Service awards in 2018, 2019, 2021, 2022 and 2024, and a Best of HomeGuide award in 2017.
Service Area
Marin County.
Featured Local Business
G Family Construction, Inc. is one of 8 concrete & masonry contractors ProsGrade lists in San Rafael, California.
9 services listed, including Concrete pouring, New builds and Partial and whole-house remodeling. Open 4 days a week. Rated 5.0 from 22 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How G Family Construction, Inc. compares with the other 7 concrete & masonry contractors on ProsGrade in San Rafael, using public Google ratings and review counts.
- Ranks in the top quarter of the 8 San Rafael concrete & masonry contractors on ProsGrade by Google rating and review volume.
- Rated 5.0 on Google, at or above the 4.9 average of other San Rafael concrete & masonry contractors on ProsGrade.
- Has more Google reviews (22) than 5 of the 7 other San Rafael concrete & masonry contractors on ProsGrade.
- One of 3 San Rafael concrete & masonry contractors on ProsGrade rated 4.7 or higher from at least 10 reviews.
Services Covered
9 services- Concrete pouring
- New builds
- Partial and whole-house remodeling
- House additions
- ADUs, JADUs and SB9s
- Kitchen remodels and expansions
- Bathroom remodels
- Decks
- Sunrooms
Reviews
What customers say
Customers praise detailed, clear estimates and responsive communication. A backyard customer valued practical alternatives and a phased plan when some choices exceeded budget; another said the team completed punch-list items quickly and efficiently.
Customer Reviews
Matt Vlasach
Amy Wu
Ben Schooler
Seth D Whitehead
Write a Review
Share your experience with this business. Reviews are moderated before they appear publicly.
Frequently Asked Questions
How does G Family Construction begin a design-build project?
A contractor and principal designer visit the jobsite for an initial meeting. Afterward, the team provides a complimentary Design-Fee-Breakdown for the measure-up, conceptual design and full design.
Does G Family Construction handle permits?
Its design-build process includes permit submissions, revisions if needed and pulling permits.








