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Fresno, California Zoning & Land Use Guide

Last updated: Verified:

Key Zoning Facts

Building Code Edition
2022 Fresno Building Code
ADUs Allowed
Yes
Primary District
RS-1 Single-Family Residential Estate
Max Height
30 ft / 2 stories

Regulatory Layers That Apply in Fresno

Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.

Federal

State — California

  • Building Code: 2022 California Building Code (Title 24, based on 2021 IBC)
  • Energy Code: 2022 California Energy Code (Title 24, Part 6)
  • Seismic Zone: Zone 3 (moderate-to-high seismicity)
  • State ADU Override: Yes (AB 68, SB 13, AB 881, AB 2221)
View California zoning overview

County — Fresno County

  • Role: Regional planning coordination and unincorporated area regulation
County website

City / Municipal

The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.

Overlay Districts

  • Downtown Neighborhoods Specific PlanForm-based code overlay for downtown Fresno encouraging mixed-use, walkable urban development.
  • Agricultural Buffer ZoneTransitional areas adjacent to agricultural land where development standards address compatibility with farming operations.

Private Restrictions

  • HOA / CC&Rs common: Yes
  • Some Fresno subdivisions have CC&Rs or HOA restrictions that may limit ADU construction. Always verify private covenants before proceeding.

Primary Zoning Districts

District CodeNameMin LotMax HeightFront SetbackSide SetbackRear SetbackFAR
RS-1Single-Family Residential Estate10,000 sq ft30 ft / 2 stories25 ft5 ft20 ft
RS-3Single-Family Residential - Medium6,000 sq ft30 ft / 2 stories20 ft5 ft20 ft
RS-5Single-Family Residential - Small Lot5,000 sq ft30 ft / 2 stories15 ft5 ft15 ft
RM-1Multi-Family Residential6,000 sq ft35 ft / 3 stories15 ft5 ft15 ft1.0

ADU Rules in Fresno

ADUs:Allowed
Max Size
1,200 sq ft
Max Height
16 ft
Rear Setback
4 ft
Side Setback
4 ft
Parking
No additional parking required within 0.5 miles of public transit
Owner Occupancy
Not required per state law
Permit Timeline
60 days for ministerial approval
Full ADU rules for Fresno

Official Sources

Frequently Asked Questions

Frequently Asked Questions

What residential zoning districts does Fresno use?
Fresno uses RS-1 for estate residential lots, RS-3 and RS-5 for standard and small-lot single-family homes, and RM-1 for multi-family developments. Lot size minimums range from 10,000 sq ft (RS-1) down to 5,000 sq ft (RS-5).
Can I build an ADU in Fresno?
Yes. ADUs are permitted on most residentially zoned lots in Fresno under California state law. Detached ADUs up to 1,200 sq ft are allowed with a 60-day ministerial permit review process.
Does Fresno have agricultural buffer requirements?
Yes. Properties near the city's agricultural edge may be subject to buffer zone requirements that address compatibility between residential development and farming operations. Check with the Development & Resource Management Department for specific requirements.