SF Bay Area · San Francisco County · Retail Flagship & High-Rise
General Contractor
Retail flagship maintenance, high-rise improvements, and Victorian-era remodel expertise in one of the world's most demanding building environments.
JMG Construction Services — California Contractor's License #1007864 — delivers all sixteen of our in-house trades to San Francisco and greater San Francisco County. From estate remodels and custom ADUs to roofing, electrical, plumbing, and commercial HVAC, every San Francisco project is personally scoped by owner Jerry Guinn and executed by our own crews — never brokered to unknown subcontractors.
Whether the brief is a celebrity-grade whole-estate renovation, a discreet retail maintenance program, or a high-value ADU addition, our clients across San Francisco County get one contract, one schedule, and one accountable license.
San Francisco builds answer to DBI — and often to the Planning Department's historic-preservation review. Soft-story retrofits, Victorian and Edwardian renovations, and multi-trade tenant improvements across the city's retail corridors: JMG navigates the permits, the neighbors, and the logistics of building in a dense city.
All services in San Francisco
Recent work in the San Francisco area
How projects run in San Francisco
Private Consultation
Walk the property with owner Jerry Guinn. Honest scope, realistic timeline, and a written line-item estimate — free.
Design & 3D Rendering
See the finished project in photorealistic 3D before a single wall comes down. Finishes get locked before demo day.
Permits, Handled
Plans, submittals, corrections, and city or county coordination under CA License #1007864. You sign — we run the process.
Build & Final Inspection
Sixteen in-house trades on one schedule, one accountable owner. Inspection passed, walkthrough done, keys in hand.
San Francisco construction — FAQ
Yes — JMG Construction Services holds California Contractor's License #1007864 and pulls permits in San Francisco County regularly. Every project is permitted, inspected, and signed off before we call it done.
San Francisco Projects