San Anselmo · Zoning · P
San Anselmo P zoning: height, setbacks and lot size
In San Anselmo's P zone, generally buildings can be up to 30 ft (2 stories) tall, the front setback is 20 ft and the minimum lot size is 5,000 sq ft, with the conditions listed below (San Anselmo code, read October 2026).
Key points
- Maximum building height: 30 ft (Outside the Primary and Secondary Ridgezone, on any slope)
- Maximum number of stories: 2 stories
- Minimum front setback: 20 ft
- Minimum side setback: 0 ft (Minimum Interior Side)
- Minimum lot size: 5,000 sq ft
- Maximum lot coverage: 50% (The town cannot set a coverage limit that blocks a housing project of 8 to 10 units from reaching 1.25 FAR, except on historic sites.)
- Maximum density: 30 units per acre
P is a zoning district in San Anselmo. Every value below was read from the San Anselmo 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 P
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 | 30 ft Applies: Outside the Primary and Secondary Ridgezone, on any slope § 10-3.402 · code textTable row “On lot with building footprint having an average slope of less than 25%”, column “P”: 30' |
|---|---|
| Maximum number of stories | 2 stories § 10-3.402 · code textTable row “On lot with building footprint having an average slope of less than 25%”, column “P”: 2 |
| Minimum front setback | 20 ft See note 2 below the table in the code. § 10-3.402 · code textTable row “Setback, Minimum Front (2)”, column “P”: 20' Note 2: Reference Table 4B of this Chapter for residential projects. |
| Minimum side setback | 0 ft Applies: Minimum Interior Side See note 2 below the table in the code. § 10-3.402 · code textTable row “Minimum Interior Side”, column “P”: 0' Note 2: Reference Table 4B of this Chapter for residential projects. |
| Minimum lot size | 5,000 sq ft § 10-3.402 · code textTable row “Lot Area, Minimum (Sq. Ft.)”, column “P”: 5,000 |
| Maximum lot coverage | 50% Applies: The town cannot set a coverage limit that blocks a housing project of 8 to 10 units from reaching 1.25 FAR, except on historic sites. See note 3 below the table in the code. § 10-3.402 · code textTable row “Lot Coverage, Maximum”, column “P”: 50% (3) Note 3: The Town shall not impose a lot coverage requirement that would physically preclude a housing development project with eight to ten units (4) from achieving a Floor Area Ratio of 1.25. However, the 1.25 FAR allowed for housing development projects between 8 to 10 units in this Table 4A shall not apply to a site within a historic district or property included on the State Historic Resources Invento |
| Maximum density | 30 units per acre § 10-3.402 · code textTable row “Density, Maximum (Units/Acre)”, column “P”: 30 |
Uses in P
Uses the code's use tables allow in P, or allow with a permit. Each links to its page with the code section.
- Single-family home — Needs a conditional use permit
- Apartment building — Needs a conditional use permit
- Residential care home (7 or more) — Needs a conditional use permit
- Emergency shelter — Allowed
Not on this page
We did not find a general rear setback, FAR limit for P in the zoning tables we read. The code may still set one elsewhere — check the San Anselmo Municipal Code.
Other San Anselmo zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in San Anselmo's P zone?
30 ft (outside the Primary and Secondary Ridgezone, on any slope) — San Anselmo Municipal Code § 10-3.402.
What is the maximum number of stories in San Anselmo's P zone?
2 stories — San Anselmo Municipal Code § 10-3.402.
What is the minimum front setback in San Anselmo's P zone?
20 ft — San Anselmo Municipal Code § 10-3.402.
What is the minimum side setback in San Anselmo's P zone?
0 ft (minimum Interior Side) — San Anselmo Municipal Code § 10-3.402.
What is the minimum lot size in San Anselmo's P zone?
5,000 sq ft — San Anselmo Municipal Code § 10-3.402.
General information, not legal advice.
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