Licensed California General Contractor
General Contractor in Sonoma, CA — Your Project, Done Right
Spec 1 Homes Inc is a licensed California general contractor serving Sonoma County homeowners. We manage your project from permits through final inspection — so you're not chasing trades, dealing with the city, or guessing what's happening on site.
What We Do
Our Services
From full home remodels to new ADUs and ground-up construction, we handle the work — and everything around it. Permits, inspections, trade coordination, and on-site oversight, all under one contractor.
We serve homeowners across Sonoma County, as well as nearby Napa, Marin, and Solano County communities within approximately one hour of Sonoma, CA.
Recent project example: Springs Villa — Sonoma, CA (residential remodeling and supervision-led delivery).
Core Services
General Contracting (Supervision-Led Delivery)
We run your project from day one. That means we're on site, we pull the permits, we coordinate every trade, and we're the single point of contact you call when you have a question.
New Construction
Custom homes built from the ground up. We manage site prep, foundation, framing, MEP rough-ins, and finishes with permit coordination at every stage.
ADUs (Accessory Dwelling Units)
Accessory dwelling units designed to maximize your lot. We handle permits, utility connections, inspections, and construction — start to finish.
Remodeling (Small & Large)
Kitchen remodels, bathroom upgrades, whole-home renovations, and everything in between. We scope the work honestly, pull the permits, and get it done without surprises.
Specialized Scopes
Carpentry
Skilled carpentry services including framing, trim work, structural wood repairs, and detail-oriented finish work as part of full project delivery.
Construction Supervision
GC-led supervision providing on-site oversight, sequencing, and inspection coordination across trades.
Supporting Capabilities (Delivered Under GC Scope)
Carpentry, rewiring, and Electrical (C10 specialist capability within GC scope) work are delivered in-house as part of our general contractor scope, coordinated with permit-aligned supervision, inspection readiness, and C10 specialist capability where required.
About Spec 1 Homes Inc
Licensed California General Contractor (CSLB #1137405) based in Sonoma, CA serving Sonoma County and nearby Napa, Marin, and Solano communities within one hour of Sonoma.
We provide supervision-led general contracting with permit coordination, inspection-ready sequencing, and execution of approved plans from pre-construction through closeout. Our work includes new construction, ADUs, small and large remodeling, foundation work, and in-house carpentry and electrical (C10 specialist capability) delivered under GC scope.
Why Work With Spec 1 Homes
Most homeowners come to us after a bad experience with a contractor who disappeared mid-job. We're different because we show up. You'll have a direct line to us, we're on site regularly, and we don't go quiet when things get complicated.
Someone On Site
We don't just coordinate from a desk. We're physically present at key stages to catch problems before they become expensive.
Permits Handled
We pull permits, schedule inspections, and manage all communication with the city — one less thing on your plate.
One Point of Contact
You have our number. No triangulating between subs, no wondering who's responsible. We own the whole job.
Common Questions
FAQs for Homeowners
Clear answers on scope, licensing, and how we manage construction work.
What does Spec 1 Homes handle as the general contractor?
Do you offer design or architectural services?
What types of projects do you take on?
Are you licensed for electrical work?
Where We Work
Serving North Bay Area
Based in Sonoma, CA, we serve homeowners across Sonoma County — including Petaluma, Santa Rosa, Healdsburg, and Sebastopol — as well as nearby communities in Napa, Marin, and Solano Counties.
Get Started
Tell Us About Your Project
We'll review what you're planning and get back to you within 1–2 business days. No pressure, no sales pitch — just a straight conversation about whether we're the right fit.