
GENERAL CONSTRUCTION CONTRACTOR
IN BUSINESS SINCE 1997
CA LICENSE #733608
BAY AREA ADU & HOME BUILDER
QUALITY GUARANTEED
Our Services
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🟢 Accessory Dwelling Unit (ADU) & Junior Accessory Dwelling Unit (JADU)
ADUs and JADUs provide affordable housing, generate rental income, and are ideal for multigenerational living, guest suites, or home offices.
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🟢 New Construction – Residential & Commercial
We provide full-service ground-up construction for residential homes, and commercial properties throughout the Bay Area. From initial planning and permitting to final build-out, our team delivers high-quality, code-compliant structures tailored to each client’s needs, timeline, and budget.
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🟢 Custom Addition
Custom additions allow you to expand your home with extra bedrooms, bathrooms, living spaces, home offices, or even second-story extensions. Our team handles everything from design and permitting to construction, ensuring your new space blends seamlessly with the existing structure while increasing your home's comfort, usability, and long-term value.
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🟢 Plans & Permitting
We handle the full planning, drafting, and permitting process for residential and ADU construction projects across the Bay Area. From architectural drawings and structural engineering to submitting plans for city approval, we ensure every detail meets local building codes and zoning regulations—saving you time, stress, and costly delays
Contact us.
Email: info@dercoconstruction.com
Office: (510) 565-8132
Specializing in ADUs and New Construction
Get in touch today for a free consultation or project estimate.