San Diego General Contractor

Yes. Foremost Building Solutions LLC is a licensed California General Building Contractor (CSLB #1133184), bonded and insured. You can verify our license anytime on the CSLB website.

Yes. We pull all required permits and coordinate every inspection with the City of San Diego, the County, or your local city (Santee, El Cajon, La Mesa and others) through final sign-off, so your project is fully legal and documented.

We're based in Santee and serve East County and all of San Diego County—including El Cajon, La Mesa, Lakeside, Spring Valley, Alpine, Poway, Scripps Ranch, Del Cerro, San Carlos, Tierrasanta, Mission Valley, North Park, Clairemont, La Jolla and the City of San Diego.

Yes. We build detached ADUs, attached ADUs and garage conversions from permits through final inspection—framing, electrical, plumbing, insulation and finishes. We can build from your architect's plans or coordinate the design and engineering for you.

Yes. We handle commercial tenant improvements, roofing, stucco and exterior restoration, and ongoing maintenance for churches, offices, retail spaces and property managers—including multi-phase work for repeat clients.

Yes—estimates for remodels, ADUs, additions, roofing and commercial work are free. We also offer paid construction consulting if you want an experienced general contractor to review plans, bids or a project in progress before you commit.

Owner Oliver Erbes manages every project personally. Specialty trades are performed by licensed, insured subcontractors working under written subcontracts and our direct supervision—so you always have one point of contact.

Our focus is complete projects—kitchen and bathroom remodels, ADUs, room additions, roof replacements, stucco and siding, and commercial construction. For small repairs we may be able to refer you to a trusted local tradesperson.