Water Damage Restoration in California
800 certified water damage firms on file in California. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Anderson, Camarillo, Beaumont, Atascadero, Cypress, Commerce, Capistrano Beach, Covina, Colton, Chino, Canyon Lake, Pacoima, Roseville, San Rafael, San Jacinto, San Carlos, Rancho Cucamonga, Redondo Beach, Pleasant Hill, Sand City, Victorville, Walnut Creek, Lompoc, Loomis, National City, Montclair, Manhattan Beach, Mammoth Lakes, Half Moon Bay, Ladera Ranch, La Verne, Grass Valley, Gardena, El Centro, Eastvale, Downey, Yuba City, Santa Maria, Sherman Oaks, Tarzana
What California water damage firms are certified in
Certification counts across the 800 California firms on file for this work. These are the credentials on record with the issuing body — not what the firms advertise.
| Credential | What it covers | California firms |
|---|---|---|
| WRT | Water Damage Restoration Technician | 800 |
| AMRT | Applied Microbial Remediation Technician | 539 |
| FSRT | Fire and Smoke Damage Restoration Technician | 505 |
| ASD | Applied Structural Drying Technician | 472 |
| OCT | Odor Control Technician | 341 |
| CCT | Carpet Cleaning Technician | 184 |
580 of these firms hold three or more certifications; 10 appear in two independent registries and carry a cross-verified marker; 193 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.
Every California firm we hold a record for, A–Z by city →
Water Damage in California: common questions
Is water damage work licensed in California?
No US state licenses water damage work specifically. General contractor registration may apply to any rebuild that follows. The checkable credential is IICRC certification, which is what every listing on this page is verified against.
What certifications do California water damage firms actually hold?
Across the 800 California firms on file for this work, the most common credentials are WRT (Water Damage Restoration Technician) held by 800 firms, AMRT (Applied Microbial Remediation Technician) held by 539 firms, FSRT (Fire and Smoke Damage Restoration Technician) held by 505 firms, ASD (Applied Structural Drying Technician) held by 472 firms. 580 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these California firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 10 of the 800 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.
Which California cities have the most water damage firms?
San Diego leads with 50, followed by Riverside (25), Anaheim (21), Sacramento (17). We build a page wherever a city has three or more certified firms; smaller markets are listed below that without their own page.