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Zoning Standards for RS-10 Residential Districts in Concord

Jurisdiction: ConcordCode Version: February 10, 2026

The RS-10 Residential Single-Family District in the City of Concord requires a minimum lot size of 10,000 square feet for residential use. This zoning district also mandates specific minimum lot widths and depths of 100 feet and 85 feet, respectively, for single-family residences.

Land Use and Applicability

The RS Residential Single-Family district is designed for single-family residential neighborhoods at densities of two and one-half to 10 units per net acre [Section 18.30.010]. The "RS-10" designation specifically identifies a single-family residential district where the minimum lot size is 10,000 square feet [Section 18.15.020].

RS-10 Development Standards

The development standards for the RS-10 district are outlined in the city’s development code. These standards apply to the creation of new subdivisions, new uses, and alterations to existing structures [Section 18.30.030].

Lot Dimensions and Coverage

The following table summarizes the minimum lot requirements and maximum lot coverage for the RS-10 district:

Standard RS-10 Requirement
Minimum Lot Area (Single-Family) 10,000 sq. ft.
Minimum Lot Area (Nonresidential) 10,000 sq. ft.
Minimum Lot Width (Single-Family) 100 feet
Minimum Lot Width (Nonresidential) 100 feet
Minimum Lot Depth (Single-Family) 85 feet
Minimum Lot Depth (Nonresidential) 85 feet
Maximum Lot Coverage (Single-Family) 30 percent

Setbacks for RS-10 Single-Family Residential

The following table details the minimum setback requirements for single-family residential properties in the RS-10 district:

Setback Type RS-10 Minimum Requirement
Front 20 feet
Interior Side 10 feet
Aggregate Side 15 feet
Corner Side 15 feet
Rear 25 feet

Note: Measurements for setbacks are taken from the property line or back of sidewalk (whichever is less) to the face of the building or structure [Section 18.30.030].

Height Limits

The maximum building height for single-family residential structures in the RS-10 district is 30 feet [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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