Summary
- Location
- Fresno County, California, USA
- County-level accepted plans
- 9 accepted plans
- Providers
- 1 provider
- Origin programs
- 1 program
- Plan size range
- 500 to 1,000 sq ft
- Permit sources
- 3 sources
County context
Fresno County Pre-Approved ADU Plans
Browse official city and county pre-approved ADU plan programs in Fresno County, California.
Program Overview
This Fresno County page summarizes source-backed county context for Fresno County, California. The current export lists 1 city program page in this county and 9 county-level accepted-plan records. County-level plan sources include County of Fresno. Provider names include County of Fresno Department of Public Works and Planning.
County records may apply only in unincorporated areas or county-administered jurisdictions, so verify the official source before relying on a plan for an incorporated city. County fee and permit data includes 18 fee records and 10 permit requirement records. Missing source fields remain Not listed in source, and directory records do not guarantee permit approval.
Included Locations
City
Fresno, Fresno County, California, USA
5 accepted plans
County-Level Accepted Plans
9 plans Source-backed record Official county source
- Origin program
- Fresno County, California, USA
- Accepted location
- Fresno County, California, USA
- Size
- 1,000 sq ft
- Bedrooms
- Not listed in source
- Bathrooms
- Not listed in source
- Last checked
- May 4, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Fresno County, California, USA
- Accepted location
- Fresno County, California, USA
- Size
- 1,000 sq ft
- Bedrooms
- Not listed in source
- Bathrooms
- Not listed in source
- Last checked
- May 4, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Fresno County, California, USA
- Accepted location
- Fresno County, California, USA
- Size
- 1,000 sq ft
- Bedrooms
- Not listed in source
- Bathrooms
- Not listed in source
- Last checked
- May 4, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Government PDF
- Origin program
- Fresno County, California, USA
- Accepted location
- Fresno County, California, USA
- Size
- 500 sq ft
- Bedrooms
- 1 bed
- Bathrooms
- 1 bath
- Last checked
- May 4, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Government PDF
- Origin program
- Fresno County, California, USA
- Accepted location
- Fresno County, California, USA
- Size
- 500 sq ft
- Bedrooms
- Not listed in source
- Bathrooms
- Not listed in source
- Last checked
- May 4, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Fresno County, California, USA
- Accepted location
- Fresno County, California, USA
- Size
- 500 sq ft
- Bedrooms
- Not listed in source
- Bathrooms
- Not listed in source
- Last checked
- May 4, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Fresno County, California, USA
- Accepted location
- Fresno County, California, USA
- Size
- 749 sq ft
- Bedrooms
- Not listed in source
- Bathrooms
- Not listed in source
- Last checked
- May 4, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Fresno County, California, USA
- Accepted location
- Fresno County, California, USA
- Size
- 749 sq ft
- Bedrooms
- Not listed in source
- Bathrooms
- Not listed in source
- Last checked
- May 4, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Fresno County, California, USA
- Accepted location
- Fresno County, California, USA
- Size
- 749 sq ft
- Bedrooms
- Not listed in source
- Bathrooms
- Not listed in source
- Last checked
- May 4, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Permit Requirements
10 requirementsAll
Pre-approval program
3 size categories (500/749/1000 sq ft) x 3 options each = 9 pre-approved plans, free
- Last checked
- May 4, 2026
- Notes
- Not listed in source
All
Site plan
Required: site plan and grading/drainage plan (not provided by County)
- Last checked
- May 4, 2026
- Notes
- Not listed in source
All
Geographic limitation
Pre-approved plans designed specifically for use in Fresno County; not for areas subject to snow load, wildfire risk, flood zones, or other special site conditions
- Last checked
- May 4, 2026
- Notes
- Not listed in source
All
Low water area exclusion
ADUs not allowed in low water areas (verify via Zoning GIS)
- Last checked
- May 4, 2026
- Notes
- Not listed in source
All
Fire sprinklers
Required per primary residence and local fire district
- Last checked
- May 4, 2026
- Notes
- 500 sq ft Option 1 partial plans show SPRINKLERED: YES.
All
Construction type
Type VB, R-3 occupancy, single-family residence
- Last checked
- May 4, 2026
- Notes
- Not listed in source
All
Solar (PV)
Per 2022 California Energy Code, Title 24, Joint Appendix JA11, Equation 150.1-C
- Last checked
- May 4, 2026
- Notes
- Not listed in source
All
Septic/sewer/water
Project-specific; per local conditions and zoning
- Last checked
- May 4, 2026
- Notes
- Not listed in source
All
Trusses
Owner/contractor provides truss calculations
- Last checked
- May 4, 2026
- Notes
- Not listed in source
All
School fees exemption
Exempt under 500 sq ft
- Last checked
- May 4, 2026
- Notes
- Not listed in source
Fees
18 fee recordsAll
Pre-approved plan
FREE
- Last checked
- May 4, 2026
- Notes
- County of Fresno offers pre-approved plans at no cost.
All
Building Plan Check (range)
$278.50 to $407.00
- Last checked
- May 4, 2026
- Notes
- Stored as cents to preserve dollar precision; varies by plan size.
All
Building Construction Permit (range)
$857.37 to $1,253.69
- Last checked
- May 4, 2026
- Notes
- Stored as cents to preserve dollar precision; varies by plan size.
All
Mechanical permit issuance
$41.52
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
Electrical permit issuance
$41.52
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
Plumbing permit issuance
$41.52
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
Mech. install (dwellings)
$50.26 to $107.08
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
Elec. install (dwellings)
$120.75 to $151.89
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
On-site sewer piping
$97.25
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
On-site water piping
$97.25
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
On-site gas piping
$97.25
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
Bathrooms (dwellings)
$195.60 to $260.62
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
SMI (Strong Motion Instrumentation)
$6.79 to $13.18
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
CA Bldg Standards Comm. Fee
$3 to $5
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
Microfilm/Copies
$108.92 to $127.48
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
Workers Comp.
$8.20
- Last checked
- May 4, 2026
- Notes
- Stored as cents.
All
School fees
Exempt under 500 sq ft
- Last checked
- May 4, 2026
- Notes
- Not listed in source
All
Regional Transportation Mitigation Fee
May apply
- Last checked
- May 4, 2026
- Notes
- Not listed in source
Official Sources
3 sourcesAccessory Dwelling Unit (ADU) - County of Fresno
- Publisher
- County of Fresno
- Last checked
- May 4, 2026
Fresno County 500 sq ft ADU Option 1 (Partial Plans)
- Publisher
- County of Fresno
- Last checked
- May 4, 2026
Fresno County 500 sq ft ADU Option 2 (Partial Plans)
- Publisher
- County of Fresno
- Last checked
- May 4, 2026