Yorba Linda · Zoning · R-M-20
Yorba Linda R-M-20 zoning: height, setbacks and lot size
In Yorba Linda's R-M-20 zone, generally buildings can be up to 40 feet (3 stories) tall and the minimum lot size is 1 acre, with the conditions listed below (Yorba Linda code, read October 2026).
Key points
- Maximum building height: 40 feet (or 3 stories, whichever is less)
- Maximum number of stories: 3 stories (or 40 feet, whichever is less)
- Minimum lot size: 1 acre (a legal lot of at least 4,000 sq ft with 20 ft vehicle access to a street may still be built on)
- Maximum lot coverage: 65%
- Maximum density: 20.0 units per acre
R-M-20 is a zoning district in Yorba Linda. Every value below was read from the Yorba Linda 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 R-M-20
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 | 40 feet Applies: or 3 stories, whichever is less § 18.10.090 · code textTable row “Maximum building height”, column “R-M-20”: 40 feet or 3 stories, whichever is less |
|---|---|
| Maximum number of stories | 3 stories Applies: or 40 feet, whichever is less § 18.10.090 · code textTable row “Maximum building height”, column “R-M-20”: 40 feet or 3 stories, whichever is less |
| Minimum lot size | 1 acre Applies: a legal lot of at least 4,000 sq ft with 20 ft vehicle access to a street may still be built on § 18.10.090 · code textTable row “Minimum lot size 1”, column “R-M-20”: 1 acre |
| Maximum lot coverage | 65% § 18.10.090 · code textTable row “Maximum lot coverage”, column “R-M-20”: 65% |
| Maximum density | 20.0 units per acre § 18.10.090 · code textTable row “Maximum density (units per acre)”, column “R-M-20”: 20.0 |
Uses in R-M-20
Uses the code's use tables allow in R-M-20, or allow with a permit. Each links to its page with the code section.
- Apartment building — Needs a design review
- Child care center — Needs a conditional use permit
Not on this page
We did not find a general front setback, side setback, rear setback, FAR limit for R-M-20 in the zoning tables we read. The code may still set one elsewhere — check the Yorba Linda Municipal Code.
Other Yorba Linda zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Yorba Linda's R-M-20 zone?
40 feet (or 3 stories, whichever is less) — Yorba Linda Municipal Code § 18.10.090.
What is the maximum number of stories in Yorba Linda's R-M-20 zone?
3 stories (or 40 feet, whichever is less) — Yorba Linda Municipal Code § 18.10.090.
What is the minimum lot size in Yorba Linda's R-M-20 zone?
1 acre (a legal lot of at least 4,000 sq ft with 20 ft vehicle access to a street may still be built on) — Yorba Linda Municipal Code § 18.10.090.
What is the maximum lot coverage in Yorba Linda's R-M-20 zone?
65% — Yorba Linda Municipal Code § 18.10.090.
What is the maximum density in Yorba Linda's R-M-20 zone?
20.0 units per acre — Yorba Linda Municipal Code § 18.10.090.
General information, not legal advice.
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