Derco Construction

03/12/2026

Derco Construction
ADU & Residential Builder
New Construction Specialists
Serving the Bay Area
Quality Craftsmanship. Built to Last.
Have Plans Ready? Send Them Over for a Bid.
Email: [email protected]
Office: 510-565-8132

01/20/2026

Project Update –
New ADU Construction in Fremont, CA

We completed this new construction in 16 weeks. This build features 1000 square feet of living space with 3 bedroom and 2 bathrooms. This project is designed to maximize functionality, long-term value, and rental potential for the homeowner.

01/05/2026

This project involved the ground-up construction and successful completion of a premium, detached accessory dwelling unit (ADU), specifically designed to maximize living space and property value. The 3-bedroom, 2-bathroom residence features an efficient, open-concept floor plan with high-end finishes, integrated utility connections, and full compliance with local building codes and zoning regulations.

Contact us today to request a professional bid and explore how we can bring your project to completion.
Email: [email protected]
Office: 510-565-8132

05/27/2025

Coastal Bungalow / Modern Ranch

DERCO Construction is your trusted partner for residential and commercial projects throughout the dynamic Bay Area. With 27 years of experience in the industry, our seasoned professionals bring a wealth of knowledge in residential and commercial builds
- ADU’s
-New Construction
Contact us today to discuss your project, and let's discuss your construction needs.
Email: [email protected]
Office: 510-565-8132

05/12/2025

Smart living, stunning design — this modern ADU in Cupertino blends form and function in perfect harmony. With its clean lines, wood-accented façade, and energy-efficient build, it’s more than just a backyard unit — it’s a high-end extension of your lifestyle. Ideal for family, guests, or remote work in style.

05/08/2025

Modern California Design ADU

12/03/2024

DERCO Construction is your trusted partner for residential and commercial projects throughout the dynamic Bay Area. With 27 years of experience in the industry, our seasoned professionals bring a wealth of knowledge in residential and commercial builds.
✅ADU’s
✅New Construction
✅Renovation
Contact us today to discuss your project, and let's discuss your construction needs.
Email: [email protected]
Office: 510-565-8132

GENERAL CONSTRUCTION CONTRACTOR
IN BUSINESS SINCE 1997
LICENSED - INSURED - BONDED
LICENSE #733608
[email protected]

11/11/2024

Beautiful 1200SF DADU with separate utility (water and electrical) meters!