We create stylish, functional spaces with market-driven layouts and high-quality materials. Leverage our 35 years of Northern California construction expertise to boost your property value through expert space planning and curb appeal.

McElligott Construction specializes in seismic retrofitting, foundation building, and foundation repair across SF, Sonoma County, and Oakland. Protect your property from earthquakes with certified structural retrofitting. 35 years of Northern California construction experience, we deliver durable, code-compliant solutions.

Get a stunning outdoor kitchen, custom patio/deck, or low-maintenance, sustainable landscaping in SF, Oakland, or Sonoma. With 35 years of Northern California construction expertise, we maximize enjoyment, durability, and property value. Transform your outdoor space today!

McElligott Construction builds seamless ADUs, second-story additions, and custom home expansions in San Francisco, Sonoma, and Oakland. We maximize property value with 35 years of Northern California construction expertise and code-compliant designs. Get a standalone ADU, rental unit, or room addition.

McElligott Construction specializes in full-home renovations, gut jobs, custom kitchen and bathroom remodels, and commercial renovations across SF, Sonoma County, and Oakland. Northern California construction with 35 years of expertise. We boost property value with high-quality craftsmanship and local knowledge.