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Permitted Land Uses and Development Standards for the RR-15 Rural Residential District in Concord

Jurisdiction: ConcordCode Version: February 10, 2026

The RR-15 Rural Residential District in the City of Concord is designated for low-density rural housing with a minimum lot size of 15,000 square feet and a density limit of up to 2.5 dwelling units per net acre. Development within the RR-15 district must comply with specific standards for lot dimensions, setbacks, and building height, with additional requirements provided in the Concord Development Code for specific land uses.

Allowed Land Uses in the RR-15 District

The RR-15 district is a sub-designation of the Rural Residential (RR) district. According to the development standards, the RR-15 district is appropriate for rural single-family residential development or clustered development. The following table summarizes the permit requirements for specific land use types within the RR district, which includes the RR-15 designation [Section 18.15.020, Table 18.15.020].

Land Use Classification Permit Required (RR)
Bed and Breakfast Inn UP
Single-Family, Detached ZC
Community Garden AP
Companion Animal, Horses, Fowl AP
Crop Production, Orchard, Vineyard ZC
Livestock, Grazing ZC
Boarding Kennel MP
Dog Day Care, Training AP
Grooming AP
Religious Facility UP
Wireless Communications Facility AP, MP or 6409

Notes: ZC = Zoning Clearance; AP = Administrative Permit; MP = Minor Use Permit; UP = Use Permit.

RR-15 Development Standards

Development on lots within the RR-15 district must adhere to the minimum requirements for lot size, width, depth, and building height established for RR districts [Section 18.30.030].

Standard RR-15 Requirement
Density (minimum/maximum) 0 – 2.5 du/net acre
Minimum Lot Area (Single-Family) 15,000 square feet
Minimum Lot Width (Single-Family) 100 feet
Minimum Lot Depth (Single-Family) 85 feet
Maximum Building Height (Single-Family) 30 feet

Setback Requirements

The minimum setback requirements for single-family residences in the RR-15 district are as follows [Section 18.30.030, Table 18.30.030]:

Setback Type RR-15 Requirement
Front 20 feet
Interior Side 10 feet
Aggregate Side 25 feet
Corner Side 15 feet
Rear 30 feet

General Provisions and Exceptions

  • Lot Coverage: The maximum lot coverage for single-family residential structures in the RR-15 district is 25 percent [Section 18.30.030, Table 18.30.030].
  • Nonresidential Use: For nonresidential uses in the RR-15 district, the minimum lot area is 15,000 square feet, the minimum lot width is 100 feet, and the minimum lot depth is 85 feet [Section 18.30.030, Table 18.30.030].
  • Averaging: In cases where four or more lots in a block on the same side of the street have been improved with buildings, the minimum front yard setback may be adjusted based on the average of the improved lots, subject to specific code constraints [Section 18.30.030].

Sections Cited

  • Section 18.15.020 (Zoning map and districts)
  • Section 18.30.010 (Purpose)
  • Section 18.30.030 (Table 18.30.030 – RR and RS districts – Development standards)

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