Downtown Mixed-Use (DMX) Zoning District Standards in Concord
Jurisdiction: Concord•Code Version: February 10, 2026
In the Downtown Mixed-Use (DMX) zoning district of Concord, the minimum lot area is 10,000 square feet, with a minimum lot width of 100 feet for interior lots and 110 feet for corner lots. The minimum lot depth is 100 feet, and the maximum building height allowed is 200 feet, with the potential for increased height via a use permit.
Development Standards for the DMX District
The Downtown Mixed-Use (DMX) district is designated for a cohesive mix of high-density residential, commercial, and office uses [Section 18.45.010]. New development and alterations in the DMX district must adhere to the specific dimensional standards outlined below.
| Standard | DMX District Requirement |
|---|---|
| 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 |
| Minimum Building Height | 30 feet |
| Maximum Building Height | 200 feet (increased height may be allowed via use permit) |
| Minimum Front Setback | 10 feet |
| Minimum Interior Side Setback | 0 feet |
| Minimum Corner Side Setback | 10 feet |
| Minimum Rear Setback | 0 feet |
Density and Intensity
The DMX district accommodates high-density development with the following intensity limits:
- Residential Density: 33 to 100 dwelling units per net acre [Section 18.45.030].
- Floor Area Ratio (FAR): The minimum FAR is 1.00, and the maximum FAR is 6.0 [Section 18.45.030].
Additional Requirements
- Setback Measurements: Setbacks in the DMX district are measured from the property line to the face of the building or structure [Section 18.45.030].
- Building Facade Length: In the DMX district, building facades exceeding 130 feet in length must include at least one vertical break created through projecting or recessing wall surfaces, changes in the roofline, or other elements that proportionally divide the facade's mass [Section 18.35.075].
- Parking: Parking requirements for the DMX district are governed by the standards in Chapter 18.160, and properties within the established downtown parking district may satisfy requirements through in-lieu fees subject to a use permit [Section 18.160.060].
- Affordable Housing: Qualifying affordable and mixed-income housing projects in the DMX district may utilize modified density, FAR, lot area, lot dimension, and height standards [Section 18.185.060].
Sections Cited
- [Section 18.45.010]
- [Section 18.45.030]
- [Section 18.160.060]
- [Section 18.185.060]