Structural · Lic #1007864
Commercial & Residential Structural Framing
Load-bearing walls, additions, and seismic-smart structural framing engineered for California.
JMG frames room additions, ADU shells, and open-concept structural conversions with engineered lumber, steel, and hold-down systems that satisfy the strictest Bay Area building departments.
Every structural modification is permitted, engineered, and inspected — protecting both your investment and your family's safety in earthquake country.
Scope of delivery
Recent framing projects
How it works
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.
Framing — frequently asked questions
Yes — structural repairs, sistering joists, replacing undersized headers, and shear-wall corrections, engineered where required. We shore, repair, and inspect in sequence.
Commission this trade
Request framing consultation
Framing by city