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
⭐⭐⭐⭐⭐
Get Started on Your ADU Project
Fill out the form below to schedule your free ADU consultation.
Our team will contact you to discuss your goals and next steps.
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
Get Started on Your ADU Project
Fill out the form below to schedule your free ADU consultation.
Our team will contact you to discuss your goals and next steps.