Skip to content

Chapter 17.22 — R-1 SINGLE FAMILY RESIDENTIAL DISTRICT

Gridley Zoning Code · 2026-06 edition · updated 2026-07-06 · Gridley

17.22.010 Intent.

The purpose of the R-1 Single Family Residential District is to accommodate residential uses composed of a single, detached residence per lot with the exception of a second residential unit or accessory dwelling unit characterized by a density range varying with the utilization and combination of the single-family subzones per gross acre with lots fronting a public street. The following single family subzones are hereby established:

A. R-1A: The purpose of the R-1A subzone is to accommodate and preserve the single family residential uses composed of a single detached residence per lot with the exception of a second residential unit if it can meet the lot coverage requirements.

B. R-1B: The purpose of the R-1B subzone is to accommodate and preserve the single family residential uses composed of a single detached residence per lot with the exception of a second residential unit if it can meet the lot coverage requirements.

C. R-1C: The purpose of the R-1C subzone is to accommodate and preserve the single family residential uses composed of a single detached residence per lot with the exception of a second residential unit if it can meet the lot coverage requirements.

  • (Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 2, 2017; Ord. 823-2016 § 7 (part), 2016)

17.22.020 Permitted uses.

Permitted principal uses in any R-1, R-1A, R-1B, and R1-C district shall be as follows:

  • A. One single-family dwelling unit per lot provided it meets all of the following criteria:
  1. The structure is a conventional framed, prefabricated, kit, modular or manufactured home.

  2. It is placed on a foundation system pursuant to Section 18551 of the Health and Safety Code.

  • B. Small family child care home, as defined by Section 17.04.077.

  • C. Family care facility, as defined by Section 17.04.0765.

  • D. Household pets the number and types in accordance with Title 6, "Animals."

  • E. Live-work units.

  • (Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 3, 2017; Ord. 823- 2016 § 7 (part), 2016)

17.22.025 Accessory uses.

The following accessory uses shall be allowed in any R-1, R-1A, and R1-B district subsequent to an application being made to the City with a fee on its prescribed form for review and approval in order to evaluate any impacts related to the use due to noise, parking, concentration or other issues that may need to be mitigated:

  • A. Home occupations pursuant to Chapter 17.84.

  • B. At-home commercial services pursuant to Chapter 17.85.

  • C. Other structures and uses customarily appurtenant to permitted uses.

  • D. Large family child care home requiring an administrative use permit.

  • E. Cottage food operation pursuant to Chapter 17.85.

  • F. Second dwelling units/accessory dwelling units pursuant to Chapter 17.82.

  • (Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 4, 2017; Ord. 823-2016 § 7 (part), 2016)

17.22.030 Conditional uses.

  • A. Conditional uses in any R-1 district shall be as follows:
  1. Public and quasi-public uses.

  2. Churches.

  3. Residential care facility.

  4. Temporary sales tract offices.

  5. Mobile home parks.

  6. Small scale professional offices.

B. Conditional uses in subsections A. through F. above are not allowed in the R-1A and R-1B subzone districts.

(Ord. 845-2023, § 1 (part), 2023; Ord. 823-2016 § 7 (part), 2016)

17.22.040 Minimum lot area.

A minimum lot area in an R-1 district shall be as follows:

  • A. Each lot shall have a standard minimum area of seven thousand five hundred (7,500) square feet or more, except as described herein.

B. A minimum lot area in the R-1A district shall be as follows:

  1. Each lot with a lot area from one thousand three hundred (1,300) square feet to three thousand five hundred (3,500) square feet.

  2. No further reduction of lot size shall be allowed within this R-1 subzone.

  3. Lots that conform to the lot area as noted for R-1A are considered legal conforming lots and do not need to be rezoned when located in an R-1 zoning district.

  • C. A minimum lot area in the R-1B district shall be as follows:
  1. Each lot with a lot area from three thousand five hundred and one (3,501) square feet to five thousand nine hundred ninety nine (5,999) square feet.

  2. A lot may be subdivided into two parcels if a minimum of two thousand five hundred (2,500) net square feet is achieved within this R-1 subzone.

  3. Lots that conform to the lot area as noted for R-1B are considered legal conforming lots and do not need to be rezoned when located in an R-1 zoning district.

  • D. A minimum lot area in the R-1C district shall be as follows:
  1. Each lot with a lot area from six thousand (6,000) square feet to seven thousand four hundred ninety-nine (7,499) square feet.

  2. A lot may be subdivided into two parcels if a minimum of three thousand five hundred (3,500) net square feet is achieved within this R-1 subzone.

  3. Lots that conform to the lot area as noted for R-1C are considered legal conforming lots and do not need to be rezoned when located in an R-1 zoning district.

  • (Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 5, 2017; Ord. 823-2016 § 7 (part), 2016)

17.22.050 Maximum building height.

Maximum building height in any R-1, R-1A, and R1-B district shall be as follows:

  • A. No building in the R-1 district shall exceed a height of thirty (30) feet.

  • B. No accessory structure shall exceed a height of fifteen (15) feet.

  • (Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 6, 2017; Ord. 823-2016 § 7 (part), 2016)

17.22.060 Minimum lot width.

Minimum lot width shall be as follows:

  • A. R-1:
  1. Each lot fronting a residential street shall have a minimum lot width of sixty (60) feet.

  2. Each corner lot abutting an arterial or collector road shall have a minimum width of eighty-five (85) feet. B. R-1A, R-1B:

  3. Each lot fronting a residential street shall have a minimum lot width of twenty- five (25) feet.

  4. Each corner lot abutting an arterial or collector road shall have a minimum width of fifty (50) feet. C. R-1C:

  5. Each lot fronting a residential street shall have a minimum lot width of sixty (60) feet.

  6. Each corner lot abutting an arterial or collector road shall have a minimum width of seventy-five (75) feet.

  • D. The minimum width of a flag lot abutting a street shall be twenty-five (25) feet.

  • (Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 7, 2017; Ord. 823-2016 § 7 (part), 2016)

17.22.070 Maximum lot coverage.

A. In an R-1 district and R1-C subzone, lot coverage shall not exceed the following percentage of the lot area:

  1. Forty (40) percent combined square footage for all residential, accessory, and paved areas.
  • B. In the R-1A and R-1B subzone, lot coverage shall not exceed the following percentage of the lot area:
  1. Sixty (60) percent combined square footage for all residential, accessory, and paved areas. Ord. 825-2017 § 8, 2017; Ord. 823-2016 § 7 (part), 2016)

17.22.080 Minimum yard requirements.

In an R-1, R-1A, R-1B, and R1-C district, the provisions of Chapter 17.78 shall apply. (Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 9, 2017; Ord. 823-2016 § 7 (part), 2016)

17.22.090 Parking requirements.

In an R-1, R-1A, R-1B, and R1-C district, the general provisions of Chapter 17.76 shall apply. (Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 10, 2017; Ord. 823-2016 § 7 (part), 2016)

17.22.100 Fence and hedge requirements.

In an R-1, R-1A, R-1B, and R1-C district, the general provisions of Chapter 17.72 shall apply. (Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 11, 2017; Ord. 823-2016 § 7 (part), 2016)

17.22.110 Sign requirements.

Sign requirements in any R-1, R-1A, R-1B, and R1-C district shall be as follows:

A. One temporary detached sign pertaining to the sale, lease or rental of the property, not to exceed four square feet in size.

B. Signs may be erected in conjunction with a home occupation and shall not exceed three square feet in area and shall not be illuminated.

(Ord. 845-2023, § 1 (part), 2023; Ord. 825-2017 § 12, 2017; Ord. 823-2016 § 7 (part), 2016)

Get a plain-English answer with a citation back to this text.

Ask AI about this code
Contents — Gridley Zoning Code
Gridley Zoning Code
  1. Chapter 17.00 — ADMINISTRATION AND ENFORCEMENT
  2. Chapter 17.02 — GENERAL PROVISIONS
  3. Chapter 17.03 — NONCONFORMITIES
  4. Chapter 17.04 — DEFINITIONS
  5. Chapter 17.05 — PLANNING ENTITLEMENT PROCESS
  6. Chapter 17.06 — AMENDMENTS OR REZONING
  7. Chapter 17.07 — SITE DEVELOPMENT PLAN (SDP)
  8. Chapter 17.08 — CONDITIONAL USE PERMITS
  9. Chapter 17.09 — VARIANCES
  10. Chapter 17.12 — AR-5 AGRICULTURAL RESIDENTIAL DISTRICT
  11. Chapter 17.14 — O-S OPEN SPACE DISTRICT
  12. Chapter 17.16 — UR URBAN RESERVE
  13. Chapter 17.21 — R-S RESIDENTIAL SUBURBAN DISTRICT
  14. Chapter 17.22 — R-1 SINGLE FAMILY RESIDENTIAL DISTRICT
  15. Chapter 17.25 — R-2 MDR MEDIUM DENSITY RESIDENTIAL DISTRICT
  16. Chapter 17.26 — R-3 MFR MULTIPLE-FAMILY RESIDENTIAL DISTRICT
  17. Chapter 17.27 — R-4 HDR HIGH DENSITY RESIDENTIAL DISTRICT
  18. Chapter 17.28 — RESIDENTIAL DENSITY BONUS
  19. Chapter 17.32 — C-1 RESTRICTED COMMERCIAL DISTRICT
  20. Chapter 17.34 — C-2 GENERAL COMMERCIAL DISTRICT
  21. Chapter 17.36 — COMMERCIAL LAND USE BY ZONING DISTRICT
  22. Chapter 17.42 — M-1 LIMITED INDUSTRIAL DISTRICT
  23. Chapter 17.44 — M-2 HEAVY INDUSTRIAL DISTRICT
  24. Chapter 17.46 — M-3 AGRICULTURE INDUSTRIAL DISTRICT
  25. Chapter 17.52 — MUCZ MIXED USE COMBINING ZONE
  26. Chapter 17.53 — DMU DOWNTOWN MIXED USE COMBINING ZONE
  27. Chapter 17.54 — NMU NEIGHBORHOOD MIXED USE COMBINING ZONE
  28. Chapter 17.55 — PD PLANNED DEVELOPMENT DISTRICT
  29. Chapter 17.56 — AO AGRICULTURAL OVERLAY DISTRICT
  30. Chapter 17.58 — SP SPECIAL PARKING COMBINING ZONES
  31. Chapter 17.59 — HCC HIGHWAY COMMERCIAL CORRIDOR MIXED USE COMB…
  32. Chapter 17.62 — PQP P UBLIC AND QUASI -PUBLIC DISTRICT
  33. Chapter 17.72 — GENERAL USE REGULATIONS
  34. Chapter 17.74 — PERFORMANCE STANDARDS
  35. Chapter 17.76 — OFF-STREET PARKING
  36. Chapter 17.78 — YARDS
  37. Chapter 17.81 — ACCESSORY STRUCTURES
  38. Chapter 17.82 — SECOND DWELLING UNITS
  39. Chapter 17.83 — TEMPORARY OCCUPANCY OF MOBILE HOMES AND RECREA…
  40. Chapter 17.84 — HOME OCCUPATIONS
  41. Chapter 17.85 — AT-HOME COMMERCIAL SERVICES IN RESIDENTIAL ZONES
  42. Chapter 17.86 — SATELLITE ANTENNAS AND EQUIPMENT
  43. Chapter 17.87 — RECYCLING FACILITIES
  44. Chapter 17.88 — PROHIBITING MEDICAL MARIJUANA DISPENSARY

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.