Merced County Roof Permit Guide (2026)

Our Stanislaus County Permit Guide covers the Modesto–Turlock corridor. For broader Central Valley context, see the Complete Guide.

Permits are required — here is why

California requires permits for full roof replacements. Three reasons not to skip:

• Insurance. Unpermitted roofs can void claims.
• Resale. Open permits and unpermitted work show in title searches.
• Code. Title 24 cool roof requirements apply in Merced County (Climate Zone 12).

Building departments in Merced County

Merced County (unincorporated)

Merced County Department of Public Works — Building Division.
2222 M St, 2nd Floor, Merced, CA 95340.
Phone: (209) 385-7654.
Online: countyofmerced.com

Unincorporated areas include many rural addresses.

City of Livingston

Livingston Building Division.
1416 C St, Livingston, CA 95334.
Phone: (209) 394-8041

City of Merced

Merced Building Division.
678 W 18th St, Merced, CA 95340.
Phone: (209) 385-6858

City of Atwater

Atwater Building Division.
750 Bellevue Rd, Atwater, CA 95301.
Phone: (209) 357-6300

Permit fees in Merced County

For a typical $12,000–$18,000 home roof:

• Merced County (unincorporated): $200–$340
• Livingston: $220–$360
• Merced city: $260–$400
• Atwater: $230–$370

The permit process

1. Application with product SKU, CRRC values, project valuation, contractor license
2. Review: 3–7 business days (slightly longer than Stanislaus)
3. Permit posted at the job site
4. Tear-off inspection if required by the office (less common in Merced than Stanislaus)
5. Final inspection verifying product, flashing, code compliance
6. Permit closed

Climate Zone considerations

Merced County is in Climate Zone 12 (same as Stanislaus). Cool roof rules apply — products must hit aged solar reflectance of 0.20+ and thermal emittance of 0.75+ (or SRI 16+).

What this means in practice: cool-rated shingles, all tile, all standing seam metal with cool coating, and white TPO pass. Standard dark shingles do not.

Read our Title 24 cool roof requirements guide for exact CRRC numbers and how to verify a contractor’s quote meets code.

Common Merced County permit questions

Rural addresses without a city

If your address is unincorporated (no city), you pull the permit through Merced County at 2222 M St in Merced. Same process, slightly cheaper fees than city permits.

Hilmar permits

Hilmar is unincorporated. Permits go through Merced County. Same office handles Stevinson, parts of Delhi, and other small communities.

Agricultural buildings

Some farm buildings do not need a permit. It depends on how the building is used. For ag metal roofing in rural Merced, we check exemption status with the county first. Then we quote.

How Merced County permits work

We pull the permit before crews start. We submit the exact product SKU + CRRC values. We schedule inspections. We attend final inspection if you cannot. The permit fee is itemized in your flat-rate quote.

Frequently asked questions