Lic #1007864 · San Francisco County · Drywall & Framing
Sheet Rock Installation
Precision drywall installation — from Level 5 estate finishes to fire-rated commercial assemblies.
Retail flagship maintenance, high-rise improvements, and Victorian-era remodel expertise in one of the world's most demanding building environments.
JMG hangs, tapes, and finishes sheet rock to exacting tolerances for luxury residences and commercial tenant improvements from San Jose to Sacramento. Smooth-wall Level 5 finishes, curved details, and acoustic assemblies are our signature.
In San Francisco and across San Francisco County, JMG delivers sheet rock under California Contractor's License #1007864 — permitted, inspected, and personally overseen by owner Jerry Guinn. Our in-house crews coordinate directly with our framing, electrical, and plumbing divisions, eliminating trade-gap delays and delivering inspection-ready walls on compressed schedules.
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.
What's included in San Francisco
Recent sheet rock work



The process 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.
Sheet Rock in San Francisco — FAQ
Most homes get a Level 4 finish; high-end estates and critical-light walls get a Level 5 smooth-wall skim coat. Commercial fire-rated assemblies follow the engineer's specification. We recommend the level after walking the space with you.
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Sheet Rock in other cities
Sheet Rock · San Francisco
