ADU Contractors in Anaheim, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Anaheim, verified against CSLB public data as of November 6, 2026: general builders — A (General Engineering) and B (General Building), the classifications that can build an ADU — and the licensed trades ADU construction uses, C-10 Electrical, C-36 Plumbing and C-5 Framing & Rough Carpentry. Listings are alphabetical; the featured builder is labeled, never ranked.
ADU rules — setbacks, size limits, parking, and fees — are set by the local jurisdiction and change often. Before you hire, read the ADU permit process guide and the Southern California ADU cost guide, and verify any license free at CSLB.
Mars Construction Industries Corp
ADU Cities' own design-build team
CSLB #1138550 · A · B · C-36 · C-20
Building ADUs across Los Angeles, Orange, Riverside, San Bernardino, San Diego & Ventura counties
1,169 license-verified contractors based in Anaheim — page 18 of 24
Post Bros Construction Co
APower Communications LLC
C-10Power It Up Inc
C-10Power One LLC
ABC-21C-22C-34D-09D-38HAZPower Plus
S R Bray LLC
BC-10D-31Power Systems Control Inc
C-10Power Technology Electric Company Inc
C-10Prado General Construction Inc
BPrecision Electric
C-10Precision General Construction Inc
BPreferred Concept Inc
BPremier Alarm Inc
C-10Premium Zone General Construction Inc
BPrestige Construction Enterprises Inc
BC-10C-33C-36Prestige Design Center
Pacific Stone Construction Inc
BC-10C-54Prevent Backflow & Plumbing Inc
C-36Primacast Construction LLC
BC-8Prime Enc Inc
BC-20C-36C-39C-46Prism Property Services Inc
C-10Pro Home Improvement And Repair Corp
BC-20Pro Plumbing Solutions
C-36Pro Quality Plumbing Heating & Air
Pro Quality Services Inc
BC-20C-36Pro Restoration Inc
BPro Service Maintenance Inc
BPro Star Mechanical Services
Kaarma Pacific Inc
BC-20C-4Pro-team Construction
BC-10Producers Construction Inc
BProfessional Plumbing And Drain Cleaning Inc
C-36Progress Electric Inc
C-10Project Plumbing Contruction LLC
C-36Prolific Plumbing Inc
C-36Promise Land General Construction Inc
BPros Construction
Glazing Pros Construction Inc
BProtech Construction And Restoration
Paglia & Associates Construction LLC
BC-39Protech Seal Construction Inc
BPs Services
3S Sign Services Inc
C-10C-45Pulse Heating And Air Corp
ABC-10C-20C-36Pure Plumbing Company
C-36Puroclean Emergency Restoration Inc
BPyf Construction
BPyramid Construction Inc
BQi Jiang
BQuality Construction Services
Quality Pest Services Inc
BC-2C-39D-64Quality Preferred Construction Inc
BQuality Sprayers Inc
BC-27R & M Electrical Contracting
R M F Contracting Inc
AC-10R C D Construction
BR C K Services Inc
BC-10R C Pro Construction Services
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB