Mendocino County SR zoning: height, setbacks and lot size

SR (Suburban Residential) 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 SR

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	35 ft § 20.384.040 · code text Thirty-five (35) feet.
Minimum front setback	20 ft § 20.384.030 · code text Twenty (20) feet each.
Minimum side setback	6 ft § 20.384.035 · code text Six (6) feet each.
Minimum rear setback	20 ft § 20.384.030 · code text Twenty (20) feet each.
Minimum lot size	6,000 sq ft Applies: within water and sewer service areas; 4,000 sq ft applies to mobile home and manufactured home subdivisions § 20.384.020 · code text SR: Four thousand (4,000) square feet for mobile home subdivisions and manufactured home subdivision—five (5) acre minimum site required. Six thousand (6,000) square feet.
Maximum lot coverage	50% § 20.384.045 · code text Fifty (50) percent.
Maximum density	1 unit per 6,000 sq ft Applies: Single-family dwelling; within water and sewer service areas § 20.384.025 · code text SR: One (1) single-family dwelling per four thousand (4,000) square feet in mobile home parks, mobile home subdivisions and manufactured home subdivisions. One (1) single-family dwelling per six thousand (6,000) square feet. One (1) multiple-family dwelling unit per one thousand five hundred (1,500) square feet.

When a different number applies

The code sets other values for particular lots, buildings or locations in SR:

Minimum lot size: 12,000 sq ft — Within water or sewer service areas § 20.384.020
Minimum lot size: 40,000 sq ft — Not in a water or sewer service area § 20.384.020
Maximum density: 1 unit per 4,000 sq ft — Single-family dwelling in mobile home parks, mobile home subdivisions and manufactured home subdivisions; within water and sewer service areas § 20.384.025
Maximum density: 1 unit per 1,500 sq ft — Multiple-family dwelling unit; within water and sewer service areas § 20.384.025
Maximum density: 1 unit per 12,000 sq ft — Single-family dwelling; within water or sewer service areas § 20.384.025
Maximum density: 1 unit per 12,000 sq ft — Multiple-family dwelling unit; within water or sewer service areas § 20.384.025

Not on this page

We did not find a general stories, FAR limit for SR 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

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Mendocino County's SR zone?

35 ft — Mendocino County Municipal Code § 20.384.040.

What is the minimum front setback in Mendocino County's SR zone?

20 ft — Mendocino County Municipal Code § 20.384.030.

What is the minimum side setback in Mendocino County's SR zone?

6 ft — Mendocino County Municipal Code § 20.384.035.

What is the minimum rear setback in Mendocino County's SR zone?

20 ft — Mendocino County Municipal Code § 20.384.030.

What is the minimum lot size in Mendocino County's SR zone?

6,000 sq ft (within water and sewer service areas; 4,000 sq ft applies to mobile home and manufactured home subdivisions) — Mendocino County Municipal Code § 20.384.020.

General information, not legal advice.