Mendocino County · Zoning · I
Mendocino County I zoning: height, setbacks and lot size
In Mendocino County's I zone, generally buildings can be up to 50 ft tall, the front setback is 10 ft and the minimum lot size is 6,000 sq ft, with the conditions listed below (Mendocino County code, read October 2026).
Key points
- Maximum building height: 50 ft
- Minimum front setback: 10 ft
- Minimum side setback: None required (Larger yards apply next to a district other than commercial or industrial.)
- Minimum rear setback: None required (Larger yards apply next to a district other than commercial or industrial.)
- Minimum lot size: 6,000 sq ft (Within water and sewer service areas)
I (Industrial) is a zoning district in Mendocino County. Every value below was read from the Mendocino County 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 I
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 | 50 ft § 20.400.035 · code textFifty (50) feet. |
|---|---|
| Minimum front setback | 10 ft § 20.400.025 · code textTen (10) feet. |
| Minimum side setback | None required Applies: Larger yards apply next to a district other than commercial or industrial. § 20.400.030 · code textNone required except that any side or rear yard contiguous to any district other than commercial or industrial shall have a minimum side yard of five (5) feet and a minimum rear yard of twenty (20) feet and buffered from adjoining uses by fencing or plant screening or other appropriate mitigating devices. |
| Minimum rear setback | None required Applies: Larger yards apply next to a district other than commercial or industrial. § 20.400.030 · code textNone required except that any side or rear yard contiguous to any district other than commercial or industrial shall have a minimum side yard of five (5) feet and a minimum rear yard of twenty (20) feet and buffered from adjoining uses by fencing or plant screening or other appropriate mitigating devices. |
| Minimum lot size | 6,000 sq ft Applies: Within water and sewer service areas § 20.400.020 · code textWithin water and sewer service areas: Six thousand (6,000) square feet. |
When a different number applies
The code sets other values for particular lots, buildings or locations in I:
- Minimum side setback: 5 ft — Any side yard contiguous to any district other than commercial or industrial § 20.400.030
- Minimum rear setback: 20 ft — Any rear yard contiguous to any district other than commercial or industrial § 20.400.030
- Minimum lot size: 12,000 sq ft — Within water or sewer service areas § 20.400.020
- Minimum lot size: 40,000 sq ft — Not in a water or sewer service area § 20.400.020
Not on this page
We did not find a general stories, lot coverage, FAR, density limit for I in the zoning tables we read. The code may still set one elsewhere — check the Mendocino County Municipal Code.
Other Mendocino County zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Mendocino County's I zone?
50 ft — Mendocino County Municipal Code § 20.400.035.
What is the minimum front setback in Mendocino County's I zone?
10 ft — Mendocino County Municipal Code § 20.400.025.
What is the minimum side setback in Mendocino County's I zone?
None required (larger yards apply next to a district other than commercial or industrial) — Mendocino County Municipal Code § 20.400.030.
What is the minimum rear setback in Mendocino County's I zone?
None required (larger yards apply next to a district other than commercial or industrial) — Mendocino County Municipal Code § 20.400.030.
What is the minimum lot size in Mendocino County's I zone?
6,000 sq ft (within water and sewer service areas) — Mendocino County Municipal Code § 20.400.020.
General information, not legal advice.
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