Contra Costa County coverage
General Contractor & Remodeler in Contra Costa County
Contra Costa County offers something the inner Bay rarely does: space. Walnut Creek's mid-century ranches and Concord's generous lots give homeowners room to add square footage, build detached ADUs, and open up dated floor plans without the lot-line battles of the Peninsula.
ODL Construction brings Silicon Valley design–build standards over the hill to Contra Costa — the same project management, permitting discipline, and finish quality, scaled to the value and lot size of each neighborhood.
Permitting: Walnut Creek and Concord building departments are accessible and reasonably paced; the bigger lots here often make additions and detached ADUs more feasible than on the Peninsula.
Contra Costa County cities we build in
Each city links to its own page with local building styles and permit notes.
Tap a city to view its page
Our services across Contra Costa County
Licensed & Accountable
One licensed team that stands behind the whole project
ODL Construction is a licensed and insured Bay Area general contractor. 35 years building in the Bay Area, We design, permit, and build under one roof — one contract, one schedule, one accountable party from first sketch to final walkthrough. Our license is California Licensed Contractor — CSLB #1154902.
- Licensed & insured
- Design–build under one roof
- Permits & inspections handled
- Serving all four Bay Area counties
Contra Costa County — common questions
Do you build in Contra Costa County?
Yes — Walnut Creek, Concord, and the surrounding Contra Costa communities. We bring full design–build service over the hill from our Santa Clara base.
Are larger projects more affordable in Contra Costa?
Lots tend to be larger and land costs lower than the Peninsula, which can make additions and detached ADUs pencil out more easily. Construction quality and pricing stay the same.
Start your project
Planning a project in Contra Costa County?
Call (408) 418-9277 for a free consultation anywhere in Contra Costa County, or send the form and we'll get right back to you.
(408) 418-927735 years of experience · Licensed & insured · Design–build
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