Foundation repair, full home remodels, exterior windows, siding, and painting. One on-site contractor across San Francisco. Licensed, insured, and known for finishing on time and on budget.
Cracked walls, settling, water intrusion, seismic retrofits. Engineered drawings and DBI permits handled.
Learn more → 02Whole-home renovations across San Francisco. Drawings, structural, mechanicals, and finish carpentry, all under one contract.
Learn more → 03Energy-efficient window replacement, repairs, and historic-home retrofits. All properly flashed and trimmed.
Learn more → 04Fiber-cement, wood shingle, or stucco. Full siding replacement, dry rot remediation, and weather-resistive barrier upgrades.
Learn more → 05Built to hold up to fog, salt, and wind in the Sunset and Richmond. The finish lasts because the prep is done right.
Learn more → 06Detached, attached, and garage-conversion ADUs. Drawings, SF Planning, and DBI permits handled.
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Most multi-phase projects fail at the handoffs, between trades, between sub-contractors, between site supervisors. Running every phase through one on-site contractor removes those handoffs. Decisions get made in the field, by the person doing the work.
See our services →Behan Builders is top notch. I have used them for residential and multiple commercial projects. The jobs were always on time, on budget and masterfully executed. Michael is an on-site contractor and is always available.Clayton Kopp Residential & Commercial
Michael is a highly skilled contractor, responsive, dependable, and consistently professional. What truly sets him apart is his follow-through and commitment to making sure every aspect of the work is completed properly. We highly recommend him.Sophie Allauzen Home Remodel
Prompt, communicative, "can-do" approach, great insights, energetic, upbeat, efficient, and highly skilled. Michael gave excellent value, going above and beyond what the specifications of the job called for. The real deal.Malcolm Hillan Bathroom Remodel · University Mound
On-site review of the project with Michael. Scope, constraints, permits, and timeline talked through honestly.
Written, itemized, fixed-price bid. No hourly billing, no open-ended cost-plus. You know what you're signing.
Drawings, permits, structural work, and finish carpentry under one contract. Michael is on-site every day.
We walk the finished work with you, finish the punch list, and stand behind the warranty. You can call us after.
Send a few details and Michael will reach out to schedule an on-site walk-through. Or call us directly at (415) 218-9270.