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RR-40 Rural Residential District Standards in the City of Concord

Jurisdiction: ConcordCode Version: February 10, 2026

The RR-40 Rural Residential district in the City of Concord requires a minimum lot size of 40,000 square feet. Additionally, the RR-40 Rural Residential district mandates a minimum lot width of 150 feet and a minimum lot depth of 100 feet for single-family residential properties.

Land Use and Density

The RR (Rural Residential) district, which includes the RR-40 designator, is intended to accommodate rural single-family residential development or clustered development. The district allows for a maximum density of 2.5 dwelling units per net acre [Section 18.15.020, Table 18.15.020; Section 18.30.010].

Development Standards for RR-40

The RR-40 district is subject to specific development standards for residential and nonresidential use. The following table details the minimum requirements for lot area, width, and depth in the RR-40 district:

Standard RR-40 Requirement
Minimum Lot Area (Single-Family) 40,000 square feet
Minimum Lot Area (Nonresidential) 40,000 square feet
Minimum Lot Width (Single-Family) 150 feet
Minimum Lot Width (Nonresidential) 100 feet
Minimum Lot Depth (Single-Family) 100 feet
Minimum Lot Depth (Nonresidential) 100 feet

Source: [Section 18.30.030, Table 18.30.030]

Additional Dimensional Notes

  • Lot Coverage: In the RR-40 district, the maximum lot coverage for single-family residential properties is 20 percent. For nonresidential properties, lot coverage must be established in compliance with requirements specified by the applicable permit [Section 18.30.030, Table 18.30.030].
  • Building Height: The maximum building height for single-family residential structures in the RR-40 district is 30 feet [Section 18.30.030, Table 18.30.030].
  • Setbacks: For single-family residences in the RR-40 district, the front setback is 30 feet, the interior side setback is 10 feet, the aggregate side setback is 50 feet, the corner side setback is 25 feet, and the rear setback is 50 feet [Section 18.30.030, Table 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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