Permitted Land Uses and Standards for RS-10 Single-Family Residential Districts in Concord
The RS-10 Single-Family Residential District in Concord is designed for single-family residential neighborhoods with a minimum lot size of 10,000 square feet and a density range of 2.5 to 10 units per net acre. Development in the RS-10 district must comply with specific residential development standards, and most land uses require a zoning clearance or discretionary permit before establishment.
RS-10 District Overview and Purpose
The RS (Residential Single-Family) zoning district is intended to accommodate single-family residential uses in neighborhoods at densities ranging from two and one-half to 10 units per net acre. The RS-10 district is a specific application of the Residential Single-Family district, where the "10" designator indicates a minimum lot size of 10,000 square feet [Section 18.15.020, Section 18.30.010].
Allowed Land Uses and Permit Requirements
The following table outlines the permit requirements for common land uses within the RS-10 Single-Family Residential District. In this table, "ZC" indicates a permitted use requiring a zoning clearance, "AP" denotes an administrative permit is required, "MP" indicates a minor use permit is required, "UP" denotes a use permit is required, and "–" indicates the use is not allowed [Section 18.30.020].
| Land Use Classification | Permit Requirement (RS) | Additional Requirements |
|---|---|---|
| Bed and Breakfast Inn | UP | |
| Single-Family, Detached | ZC | |
| Single-Family, Detached – Small Lot Subdivision | UP | |
| Single-Family, Attached | UP | Chapter 18.152 (Objective Design Standards) |
| Duplex | – | |
| Multifamily | – | |
| Family Day Care Home (14 or fewer children) | ZC | |
| Group Housing | – | |
| Home-Based Business | ZC, AP | Section 18.200.100 |
| Live/Work Unit | – | |
| Mixed-Use Project | – | |
| Mobile Home Park | – | |
| Residential Care Facility, Small | ZC | |
| Residential Care Facility, Large | UP | |
| Residential Facility for Seniors, Assisted Living | UP | |
| Supportive Housing | – | |
| Transitional Housing, Single-Family | ZC | |
| Indoor Personal Cannabis Cultivation | ZC | Up to six plants per residence, per state law |
Development Standards for RS-10 Districts
Development in the RS-10 district must adhere to the following dimensional and setback requirements [Section 18.30.030].
| Standard | RS-10 Requirement |
|---|---|
| Density (du/net acre) | 0 – 10 (maximum) |
| Minimum Lot Area (sq. ft.) | 10,000 |
| Minimum Lot Width (feet) | 100 |
| Minimum Lot Depth (feet) | 85 |
| Maximum Lot Coverage (percent) | 30% |
| Maximum Building Height (feet) | 30 |
| Front Setback (feet) | 20 |
| Interior Side Setback (feet) | 10 (min) |
| Aggregate Side Setback (feet) | 15 |
| Corner Side Setback (feet) | 15 |
| Rear Setback (feet) | 25 |
Additional Development Requirements
- Setbacks: Setbacks are generally measured from the property line or back of sidewalk (whichever is less) to the face of the building or structure. Under certain circumstances, front setbacks may be averaged with existing development on the same block [Section 18.30.030].
- Fences and Walls: In the RS-10 district, fences and walls along a front property line or within a required front setback may not exceed three feet in height. Generally, fences and walls on residential properties are limited to a maximum height of six feet, subject to specific exceptions [Section 18.150.040].
- Parking: Single-family homes in Concord are required to provide two parking spaces, at least one of which must be covered. These spaces must not be located within the required front yard setback [Section 18.160.040].
Sections Cited
- Section 18.15.020 (Zoning map and districts)
- Section 18.30.010 (Purpose)
- Section 18.30.020 (Residential districts – Allowed uses and permit requirements)
- Section 18.30.030 (RR and RS districts – Development standards)
- Section 18.150.040 (Fences and walls)
- Section 18.150.100 (Objective Design Standards)
- Section 18.160.040 (Parking requirements)
- Section 18.200.100 (Home-based businesses)