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RR-20 Rural Residential Zoning District Standards

Jurisdiction: ConcordCode Version: February 10, 2026

In the City of Concord, the RR-20 Rural Residential district requires a minimum lot size of 20,000 square feet, a minimum lot width of 100 feet, and a minimum lot depth of 100 feet for single-family residential development. These standards, along with other development regulations such as setbacks and maximum lot coverage, are established to maintain the rural residential character of the area.

RR-20 District Standards

The RR-20 Rural Residential district is designed for rural single-family development with a density of up to 2.5 dwelling units per net acre [Section 18.30.010].

Lot Dimensions and Coverage

The development standards for the RR-20 Rural Residential district are specified in the Concord Municipal Code as follows:

Standard Requirement for RR-20
Minimum Lot Size 20,000 square feet
Minimum Lot Width 100 feet
Minimum Lot Depth 100 feet
Maximum Lot Coverage 20 percent

[Section 18.30.030]

Setbacks for Single-Family Residential

The minimum setback requirements for single-family residential structures in the RR-20 Rural Residential district are as follows:

Setback Type Minimum Requirement (feet)
Front 30 feet
Interior Side 10 feet
Aggregate Side 50 feet
Corner Side 25 feet
Rear 50 feet

[Section 18.30.030]

Note: In no case shall any structure be erected closer than 45 feet from the centerline of any street [Section 18.30.030].

Building Height

The maximum allowed building height for single-family residential structures in the RR-20 Rural Residential district is 30 feet [Section 18.30.030].

General Requirements

All development within the RR-20 Rural Residential district must also comply with general development standards, including those regarding fence heights, parking, and resource management, as outlined in the Concord Development Code.

Sections Cited

  • Section 18.30.010 - Purpose (Residential Districts)
  • Section 18.30.030 - Table 18.30.030 – RR and RS districts – Development standards

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