Lompoc · Zoning · RA
Lompoc RA zoning: height, setbacks and lot size
In Lompoc's RA zone, generally buildings can be up to 35 ft tall, the front setback is 20 ft and the minimum lot size is 20,000 sq ft, with the conditions listed below (Lompoc code, read October 2026).
Key points
- Maximum building height: 35 ft (or 2 stories, whichever is less)
- Minimum front setback: 20 ft
- Minimum side setback: 10% of lot width, min 5 ft and max 10 ft
- Minimum rear setback: 15 ft
- Minimum lot size: 20,000 sq ft
- Maximum density: 2.2 dwelling units/net acre
RA is a zoning district in Lompoc. Every value below was read from the Lompoc 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 RA
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 Applies: or 2 stories, whichever is less § 17.208.040 · code textTable row “Height (max.) - Primary Building”, column “RA”: 35 ft. or 2 stories, whichever is less |
|---|---|
| Minimum front setback | 20 ft § 17.208.040 · code textTable row “Front (min.)”, column “RA”: 20 ft. |
| Minimum side setback | 10% of lot width, min 5 ft and max 10 ft § 17.208.040 · code textTable row “Side - Interior”, column “RA”: 10% of lot width; min. 5 ft. and max. 10 ft. 3, 4 |
| Minimum rear setback | 15 ft § 17.208.040 · code textTable row “Rear (min.)”, column “RA”: 15 ft. 4 |
| Minimum lot size | 20,000 sq ft § 17.208.040 · code textTable row “Lot Area (min.)”, column “RA”: 20,000 s.f. |
| Maximum density | 2.2 dwelling units/net acre § 17.208.040 · code textTable row “Density (max.)”, column “RA”: 2.2 dwelling units/net acre |
Uses in RA
Uses the code's use tables allow in RA, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed
- Residential care home (7 or more) — Allowed
- Community garden — Allowed
- Growing crops — Allowed
- Emergency shelter — Needs a conditional use permit
When a different number applies
The code sets other values for particular lots, buildings or locations in RA:
- Maximum number of stories: 2 stories — or 35 ft, whichever is less § 17.208.040
- Minimum side setback: 10 ft — Agricultural building or structure greater than 45 feet in height § 17.208.040
Not on this page
We did not find a general stories, lot coverage, FAR limit for RA in the zoning tables we read. The code may still set one elsewhere — check the Lompoc Municipal Code.
Other Lompoc zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Lompoc's RA zone?
35 ft (or 2 stories, whichever is less) — Lompoc Municipal Code § 17.208.040.
What is the minimum front setback in Lompoc's RA zone?
20 ft — Lompoc Municipal Code § 17.208.040.
What is the minimum side setback in Lompoc's RA zone?
10% of lot width, min 5 ft and max 10 ft — Lompoc Municipal Code § 17.208.040.
What is the minimum rear setback in Lompoc's RA zone?
15 ft — Lompoc Municipal Code § 17.208.040.
What is the minimum lot size in Lompoc's RA zone?
20,000 sq ft — Lompoc Municipal Code § 17.208.040.
General information, not legal advice.
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