Planning an ADU?
Free On-Site Consultation
Transparent Project Planning
Licensed & Experienced Team
TCS Construction made the ADU process easy and delivered great results. Highly recommend!" – Sarah
⭐⭐⭐⭐⭐
Fill out the form below and a member of our team will contact you shortly!
Our Most Popular ADU Services
Full ADU Construction
From concept to completion, we handle every step.
✅ Complete design, permitting, and construction
✅ Built to code and energy-efficient
✅ Turnkey solutions for added space or income
ADU Design & Planning
Customized plans to match your needs and property.
✅ 3D renderings and layout options
✅ Expert guidance on zoning and compliance
✅ Tailored designs for rental, family, or office use
Garage Conversion ADUs
Transform your existing garage into a functional living space.
✅ Cost-effective and time-saving
✅ Adds value and livable space
✅ Ideal for in-laws, rentals, or guest suitesining
Call Us For A Booking
Schedule Through Our Online Form
Why Choose Us
Top-Rated ADU Construction Company in California
We’re a trusted California-based team with over 18 years of experience delivering high-quality, full-service ADU construction.
✅ Complete Design-to-Build Services
✅ Permit & Code Compliance Experts
✅ Fast, Reliable Project Timelines
✅ Free On-Site Consultations
✅ 100% Satisfaction Guarantee
Client Testimonials
Real Clients. Real Results.
⭐⭐⭐⭐⭐
"TCS handled everything from plans to permits. The process was smooth and stress-free. The ADU turned out better than we imagined!"
— Emily S.
⭐⭐⭐⭐⭐
"Incredible team! They converted our garage into a beautiful rental unit in record time. Highly professional and detail-oriented."
— Carlos D.
⭐⭐⭐⭐⭐
"We got several quotes, but TCS stood out. Their communication, quality, and timeline were top-notch. Would absolutely hire again!"
— Rachel M.
Call Us For A Booking
Schedule Through Our Online Form
Fill out the form below and a member of our team will contact you shortly!