Permitted Land Uses and Standards for the Industrial Mixed-Use (IMX) District in Concord
The Industrial Mixed-Use (IMX) district in Concord allows for a mix of light industrial, office, and live/work facilities with a maximum Floor Area Ratio (FAR) of 1.0. Development in the IMX district must comply with specific performance standards, and while many uses are permitted, some require specific permits such as administrative permits or use permits to ensure compatibility with adjacent properties.
Purpose and Intensity
The Industrial Mixed-Use (IMX) district is designed to accommodate a mix of light industrial uses (such as research and development, warehouses, and artists’ studios), offices, and live/work units. Development within the IMX district is limited to an intensity of 1.0 FAR. Uses requiring outdoor facilities, storage, or activities may only be permitted if a use permit is reviewed and approved pursuant to the Concord Development Code [Section 18.50.010, Section 18.50.030].
Development Standards for the IMX District
The following development standards apply to the IMX district as specified in the municipal code:
| Standard | Requirement |
|---|---|
| Floor Area Ratio (FAR) maximum | 1.00 |
| Minimum Lot Area | 10,000 square feet |
| Minimum Lot Width (Interior Lot) | 100 feet |
| Minimum Lot Width (Corner Lot) | 110 feet |
| Minimum Lot Depth | 100 feet |
| Maximum Building Height | 50 feet |
| Front Setback | 20 feet |
| Interior Side Setback | 10 feet |
Land Use Permitting in the IMX District
Permit requirements for specific uses within the IMX district are determined by the land use classification and the corresponding tables in the Concord Development Code.
- Zoning Clearance (ZC): Required for uses such as Administrative/Information Processing (offices), Research and Development, and various manufacturing types "within a building."
- Administrative Permit (AP): Required for certain uses such as fleet-based services or specific office uses as identified in the code.
- Use Permit (UP): Required for uses that may have higher impacts, such as auto wrecking, heavy industrial activities, or certain storage facilities.
- Not Allowed (–): Many uses, such as residential uses (except for live/work units or mixed-use projects as specified), are not permitted in the IMX district.
Note: For the most current and specific permit requirements for a particular project, please consult the full tables in the Concord Development Code.
Additional Regulations
- Outdoor Storage: In the IMX district, outdoor storage is generally prohibited unless specifically permitted and must be conducted within an enclosed building or screened according to specific standards [Section 18.50.010, Table 18.150.120].
- Performance Standards: All uses in the IMX district must comply with performance standards intended to minimize operational impacts such as noise, dust, odor, and glare [Section 18.150.130].
- Live/Work Units: Live/work units are permitted in the IMX district subject to the design and operating requirements outlined in the code, including a density limit of one unit per 1,800 square feet of net lot area [Section 18.200.110].
Sections Cited
- Section 18.50.010 (Purpose)
- Section 18.50.030 (Table 18.50.030 – Business park and industrial districts – Development standards)
- Section 18.150.120 (Outdoor Storage)
- Section 18.150.130 (Performance standards)
- Section 18.200.110 (Live/work or work/live units)