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Permitted Land Uses and Development Standards in the CO (Community Office) District

Jurisdiction: ConcordCode Version: February 10, 2026

The CO (Community Office) zoning district in the City of Concord is designed for small-scale professional and medical offices in low-rise buildings that remain compatible with adjacent residential neighborhoods, with a maximum building intensity of 1.0 Floor Area Ratio (FAR). This district allows for a mixture of office uses and limited residential opportunities, subject to specific design standards and permit requirements outlined in the Concord Development Code.

Purpose of the CO District

The CO Community Office district is intended to provide areas suitable for a mix of small-scale single and multi-tenant businesses, professional services, and medical offices. These developments are intended to be compatible with surrounding residential areas and are primarily found along major thoroughfares, including East Street, Salvio Street, Willow Pass Road, Clayton Road, Oak Grove Road, Treat Boulevard, and Monument Boulevard [Section 18.40.010].

Allowed Land Uses and Permit Requirements

Land uses in the CO district are categorized by the type of planning permit required for establishment. "ZC" indicates a use permitted with a zoning clearance, "AP" denotes an administrative permit, "MP" represents a minor use permit, and "UP" denotes a use permit.

Land Use Classification Permit Requirement Additional Requirements
Bed and Breakfast Inn UP
Home-Based Business ZC, AP [Section 18.200.100]
Nursery, Preschool, Childcare UP [Section 18.200.050]
Administrative, Information Processing AP, MP
Professional AP, MP
General Personal Services UP
Parking Facility AP
Business Support Services ZC
Catering Service ZC
Community Garden AP
Crop Production, Orchard, Vineyard ZC
Hospital, Medical Center – (Not Allowed)
Medical Services Facility AP, MP
Meeting Facility, Public/Private UP
Public Maintenance and Service Facility AP
Religious Facility UP
Trade Schools, Vocational Training AP
Utility Facility, Transmission Towers ZC
Wireless Communications Facility AP, MP, 6409 [Chapters 18.205, 18.207]

Development Standards for the CO District

Development in the CO Community Office district must adhere to specific density, intensity, and dimensional requirements.

Development Standard Requirement
Density (minimum/maximum) 11 – 40 du/net acre
Floor Area Ratio (FAR) (maximum) 1.0
Lot Area (square feet) (minimum) 10,000
Lot Width (feet) (minimum) 100
Lot Depth (feet) (minimum) 100
Building Height (feet) (maximum) 30 (Nonresidential) / 45 (Mixed-Use)
Front Setback (feet) (minimum) 10
Corner Side Setback (feet) (minimum) 10
Interior Side/Rear Setback (feet) (minimum) 5

Additional Requirements

  • Residential Uses: In the CO district, residential uses are not allowed on the ground floor [Section 18.40.030].
  • Building Height: Additional height for residential and mixed-use projects in the CO district may be approved with a use permit [Section 18.40.030].
  • Parking: The CO Community Office district must comply with the parking standards established in Chapter 18.160. Specifically, professional offices require 1 space per 300 square feet of gross floor area, and administrative/processing offices require 1 space per 350 square feet of gross floor area [Section 18.160.040].

Sections Cited

  • Section 18.40.010: Purpose
  • Section 18.40.030: Table 18.40.030 – Office and commercial districts – Development standards
  • Section 18.160.040: Parking requirements
  • Section 18.160.100: Additional standards for driveway access easements, curb cuts, parking lots, and structures
  • Section 18.200.050: Child day care facilities
  • Section 18.200.100: Home-based businesses

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