Built on Trust. Backed by Quality.

At J.A. Mejia Construction, we offer reliable, high-quality construction services tailored to meet the needs of homeowners, developers, and commercial clients across Sonoma County and the greater Bay Area. Whether you’re building from the ground up or improving an existing space, our experienced team brings precision, efficiency, and craftsmanship to every project.

Looking for dependable framing contractors in Sonoma County? We specialize in rough framing for residential and commercial construction projects. Our team works efficiently to get your structure up fast while maintaining accuracy and code compliance from start to finish.

Upgrade your home with expert remodeling services. Offering both exterior and interior renovations to custom kitchen and bathroom remodels. We help homeowners reimagine their living spaces with smart layouts, modern finishes, and quality craftsmanship that lasts.

Building a new home or investment property? We manage new construction projects from foundation to finish. Our team coordinates with architects, engineers, and subcontractors to deliver seamless construction services on time and on budget.

Expand your living space with a custom home addition or accessory dwelling unit (ADU). We help you maximize your property’s potential with fully permitted builds that add square footage, increase home value, and meet California ADU guidelines.

Create the perfect outdoor retreat with a custom deck. We design and build high-quality wood and composite decks that extend your living space and enhance the beauty and functionality of your backyard.

We support contractors and business owners with commercial framing, tenant improvements, and light commercial buildouts. Our crews work efficiently and safely to keep your project on schedule and up to code.