Healdsburg · Zoning · MU
Healdsburg MU zoning: height, setbacks and lot size
In Healdsburg's MU zone, the front setback is None required and the minimum lot size is 20,000 sq. ft. (Healdsburg code, read October 2026).
Key points
- Minimum front setback: None required
- Minimum side setback: None required (Interior side yard)
- Minimum rear setback: 10 ft (Residential uses, or nonresidential uses adjacent to a residential district)
- Minimum lot size: 20,000 sq. ft.
- Maximum lot coverage: 60%
- Maximum floor area ratio (FAR): 100%
MU is a zoning district in Healdsburg. Every value below was read from the Healdsburg 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 MU
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.
| Minimum front setback | None required § 20.08.160 · code textTable row “MU”, column “Front”: none |
|---|---|
| Minimum side setback | None required Applies: Interior side yard § 20.08.160 · code textTable row “MU”, column “Side Yard Interior”: 10 feet for residential uses 0 feet for nonresidential uses, except 10 feet required adjacent to residential district |
| Minimum rear setback | 10 ft Applies: Residential uses, or nonresidential uses adjacent to a residential district § 20.08.160 · code textTable row “MU”, column “Rear”: 10 feet for residential uses 0 feet for nonresidential uses, except 10 feet required adjacent to residential district |
| Minimum lot size | 20,000 sq. ft. § 20.08.160 · code textTable row “MU”, column “Minimum Lot Area”: 20,000 sq. ft. |
| Maximum lot coverage | 60% § 20.08.165 · code textTable row “MU”, column “Max. Site Coverage”: 60% |
| Maximum floor area ratio (FAR) | 100% § 20.08.165 · code textTable row “MU”, column “Max. Floor Area Ratio (FAR)”: 100% |
When a different number applies
The code sets other values for particular lots, buildings or locations in MU:
- Maximum building height: 35 ft — When abutting or directly across a street/alley from a site zoned for single-family housing as a permitted use. § 20.08.170
- Maximum building height: 40 ft — When abutting or directly across a street/alley from a site zoned for multi-family housing as a permitted use. § 20.08.170
- Minimum side setback: 10 ft — Corner side yard, residential uses § 20.08.160
- Minimum side setback: 0 ft — Corner side yard, nonresidential uses; 10 ft if adjacent to a residential district § 20.08.160
- Minimum rear setback: 0 ft — Nonresidential uses not adjacent to a residential district § 20.08.160
Not on this page
We did not find a general height, stories, density limit for MU in the zoning tables we read. The code may still set one elsewhere — check the Healdsburg Municipal Code.
Other Healdsburg zoning districts
Who this affects
Frequently asked questions
What is the minimum front setback in Healdsburg's MU zone?
None required — Healdsburg Municipal Code § 20.08.160.
What is the minimum side setback in Healdsburg's MU zone?
None required (interior side yard) — Healdsburg Municipal Code § 20.08.160.
What is the minimum rear setback in Healdsburg's MU zone?
10 ft (residential uses, or nonresidential uses adjacent to a residential district) — Healdsburg Municipal Code § 20.08.160.
What is the minimum lot size in Healdsburg's MU zone?
20,000 sq. ft. — Healdsburg Municipal Code § 20.08.160.
What is the maximum lot coverage in Healdsburg's MU zone?
60% — Healdsburg Municipal Code § 20.08.165.
General information, not legal advice.
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