San Diego's Premier ADU Specialists

Custom ADU Construction in San Diego

Turnkey, fully-permitted Accessory Dwelling Units from foundation to finish. Maximize your property value, create rental income, or build the perfect space for family.

Book Your Free Site Consultation

Free 30-min Google Meet · No obligation

Fully Permitted City-Approved Plans
Licensed & Insured CA Lic# 1041423
Custom Designs Tailored to Your Lot
End-to-End Mgmt Design → Build → Done
Schedule Today

Book Your Free Consultation

Select a time below to schedule an introductory call. We'll discuss your property, zoning, and vision for your new ADU.

100% Free & Confidential 30-Min Google Meet No Obligation
The CRS Advantage

Why Build an ADU with CRS Builders?

We handle the complexities of San Diego zoning and construction so you don't have to.

Independent Living ADU Exterior

Independent Living

Fully permitted spaces complete with their own kitchens, bathrooms, and private entrances — perfect for aging parents or adult children.

Modern ADU Kitchen

Maximize Your ROI

ADUs are one of the most effective ways to increase your property value and generate reliable, long-term rental income in San Diego.

ADU Framing Construction Phase

Turnkey Process

From initial design and city permitting to foundation pouring and final paint — we manage every detail of your entire build.

San Diego's Best

Recent ADU Projects

Take a look at some of our recently completed, fully-permitted Accessory Dwelling Units & Garage Conversions.

College Area Detached ADU Exterior
College Area Detached
Imperial Beach Poolside ADU
Imperial Beach Premium Rental
Cuvier 2-Story Garage Conversion
Cuvier 2-Story Garage Conv.
Poway ADU Modern Bathroom
Poway 2 Bed 1 Bath Rental
Our Process

How We Build Your ADU

01

Free Consultation

We assess your property, discuss your goals, and review zoning requirements.

02

Design & Permits

Custom architectural plans and full permit management with the City of San Diego.

03

Construction

Expert build with regular progress updates. Foundation to finish, handled entirely.

04

Move-In Ready

Final inspection, certificate of occupancy, and keys in hand. Start earning immediately.

Ready to Add Value to Your Property?

Join dozens of San Diego homeowners who've maximized their property's potential with a custom-built ADU from CRS Builders.

Schedule Your Free Consultation