Permitted Land Uses and Standards for the RM (Medium Density Residential) District in Concord
The RM (Medium Density Residential) district in the City of Concord allows for a variety of housing types, including small-lot single-family dwellings, townhomes, row houses, and cluster housing, at a density of 11 to 33 units per net acre [Section 18.30.010]. In addition to residential uses, this district allows for specific public, quasi-public, and recreational uses subject to zoning clearance or permit requirements [Section 18.30.020].
Allowed Land Uses and Permit Requirements
Uses in the RM district are subject to permit requirements ranging from zoning clearances (ZC) to use permits (UP) issued by the planning commission. The following table summarizes permitted uses within the RM district:
| Land Use Classification | Permit Required in RM District |
|---|---|
| Residential Uses | |
| Bed and Breakfast Inn | UP |
| Single-Family, Detached – Small Lot Subdivision | UP |
| Single-Family, Attached | ZC |
| Duplex | ZC |
| Multifamily | ZC |
| Family Day Care Home (14 or fewer children) | ZC |
| Group Housing | UP |
| Home-Based Business | ZC, AP |
| Live/Work Unit | UP |
| Mobile Home Park | UP |
| Residential Care Facility, Small | ZC |
| Residential Care Facility, Large | MP |
| Residential Facility for Seniors, Assisted Living | MP |
| Supportive Housing | ZC, UP(1) |
| Transitional Housing, Multifamily | ZC |
| Transitional Housing, Single-Family | ZC |
| Public/Quasi-Public and Recreational Uses | |
| Indoor Personal Cannabis Cultivation | ZC |
| Cultural Institution | UP |
| Park and Recreation Facility | ZC |
| Residential Recreation | ZC |
| Religious Facility | UP |
| Elementary, Middle, Secondary Schools | UP |
| Utility Facility, Transmission Towers | UP |
| Wireless Communications Facility | AP, MP or 6409 |
Note: "ZC" = Zoning Clearance, "AP" = Administrative Permit, "MP" = Minor Use Permit, "UP" = Use Permit.
Development Standards for the RM District
Development within the RM district must adhere to specific standards regarding density, lot size, width, depth, coverage, and height.
| Standard | RM District Requirement |
|---|---|
| Density (du/net acre) | 11 – 33 |
| Minimum Lot Area (sq. ft.) | 1,440 |
| Minimum Lot Width (ft.) | 18 (attached); 24 (detached) |
| Minimum Lot Depth (ft.) | 60 (attached); 80 (detached) |
| Maximum Lot Coverage (%) | 80 (attached); 60 (detached) |
| Maximum Building Height (ft.) | 40 (Additional height may be approved with a use permit) |
Performance and Design Standards
All projects in the RM district must comply with the general development standards established in Division IV of the Concord Development Code. Specifically, residential projects must meet requirements for open space and recreational facilities as detailed in Section 18.150.100. Additionally, projects that do not meet objective design standards are subject to design and site review pursuant to Section 18.415.
Sections Cited
- Section 18.30.010 (Purpose - Residential Districts)
- Section 18.30.020 (Residential Districts – Allowed uses and permit requirements)
- Section 18.30.040 (RL, RM, and RH districts – Development standards)
- Section 18.150.100 (Open space and recreational facilities for residential development)
- Section 18.415 (Design and Site Review)