Antioch · Zoning · M-1
Antioch M-1 zoning: height, setbacks and lot size
In Antioch's M-1 zone, buildings can be up to 45 ft tall and the minimum lot size is 40,000 sq ft (Antioch code, read October 2026).
Key points
- Maximum building height: 45 ft
- Minimum side setback: 0 ft
- Minimum rear setback: 0 ft
- Minimum lot size: 40,000 sq ft
- Maximum lot coverage: 50%
- Maximum density: 0 units per acre (The table assigns no residential density to this zone.)
M-1 is a zoning district in Antioch. Every value below was read from the Antioch Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.
Development standards in M-1
The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.
| Maximum building height | 45 ft § 9-5.601 · code textTable row “M-1”, column “Maximum Height Feet b”: 45 |
|---|---|
| Minimum side setback | 0 ft § 9-5.601 · code textTable row “M-1”, column “Minimum Side Yard Required in Feet e”: 0 ft. |
| Minimum rear setback | 0 ft § 9-5.601 · code textTable row “M-1”, column “Minimum Rear Yard Required in Feet”: 0 ft. |
| Minimum lot size | 40,000 sq ft § 9-5.601 · code textTable row “M-1”, column “Minimum Building Site Sq. Ft.”: 40,000 |
| Maximum lot coverage | 50% § 9-5.601 · code textTable row “M-1”, column “Maximum Lot Coverage”: 50% |
| Maximum density | 0 units per acre Applies: The table assigns no residential density to this zone. § 9-5.601 · code textTable row “M-1”, column “Maximum Density Allowed Units Per Gross Developable Acre d”: 0 |
Uses in M-1
Uses the code's use tables allow in M-1, or allow with a permit. Each links to its page with the code section.
- Child care center — Needs an use permit
- Kennel — Needs an use permit
Not on this page
We did not find a general stories, front setback, FAR limit for M-1 in the zoning tables we read. The code may still set one elsewhere — check the Antioch Municipal Code.
Other Antioch zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Antioch's M-1 zone?
45 ft — Antioch Municipal Code § 9-5.601.
What is the minimum side setback in Antioch's M-1 zone?
0 ft — Antioch Municipal Code § 9-5.601.
What is the minimum rear setback in Antioch's M-1 zone?
0 ft — Antioch Municipal Code § 9-5.601.
What is the minimum lot size in Antioch's M-1 zone?
40,000 sq ft — Antioch Municipal Code § 9-5.601.
What is the maximum lot coverage in Antioch's M-1 zone?
50% — Antioch Municipal Code § 9-5.601.
General information, not legal advice.
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