Corona · Zoning · R-20.0
Corona R-20.0 zoning: height, setbacks and lot size
In Corona's R-20.0 zone, generally buildings can be up to 30 ft (2 stories) tall, the front setback is 25 ft and the minimum lot size is 20,000 sq ft, with the conditions listed below (Corona code, read October 2026).
Key points
- Maximum building height: 30 ft (a single-story structure is limited to 25 ft)
- Maximum number of stories: 2 stories
- Minimum front setback: 25 ft (need not be deeper than the average of the neighboring front yards, but never less than 20 ft)
- Minimum side setback: 10 ft (The narrower side yard; the other side must be 15 ft)
- Minimum rear setback: 10 ft
- Minimum lot size: 20,000 sq ft
- Maximum lot coverage: 35% (single-story buildings or structures)
- Maximum density: 1 unit per 20,000 sq ft
R-20.0 (SINGLE-FAMILY RESIDENTIAL ZONE) is a zoning district in Corona. Every value below was read from the Corona 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-20.0
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: a single-story structure is limited to 25 ft § 17.11.090 · code textBuildings and structures erected in this zone shall have a height not greater than two stories or 30 feet, whereas a single story structure shall be one story and no greater than 25 feet, except as otherwise provided. |
|---|---|
| Maximum number of stories | 2 stories § 17.11.090 · code textBuildings and structures erected in this zone shall have a height not greater than two stories or 30 feet, whereas a single story structure shall be one story and no greater than 25 feet, except as otherwise provided. |
| Minimum front setback | 25 ft Applies: need not be deeper than the average of the neighboring front yards, but never less than 20 ft § 17.11.100 · code textA front yard having a depth of not less than 25 feet; provided, that no front yard need be deeper than the average depths of the front yards next thereto on each side, but in no case may said yard be reduced below 20 feet. |
| Minimum side setback | 10 ft Applies: The narrower side yard; the other side must be 15 ft § 17.11.100 · code textLots shall have yards with a width of not less than 15 feet on one side and ten feet on the other; |
| Minimum rear setback | 10 ft § 17.11.100 · code textEach lot shall have a rear yard of not less than ten feet; |
| Minimum lot size | 20,000 sq ft § 17.11.060 · code textEach lot shall have a minimum lot area of 20,000 square feet. |
| Maximum lot coverage | 35% Applies: single-story buildings or structures § 17.11.120 · code textExcept as provided in § 17.64.010(E), lot area coverage by single-story buildings or structures shall not exceed 35% of the total lot area. |
| Maximum density | 1 unit per 20,000 sq ft § 17.11.080 · code textThere shall be a minimum of 20,000 square feet of lot area for each dwelling unit on any one lot. |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-20.0:
- Maximum building height: 25 ft — single story structure § 17.11.090
- Maximum number of stories: 1 story — single story structure § 17.11.090
- Minimum front setback: 20 ft — front yard may be reduced based on average depths of front yards next thereto on each side, but not below 20 feet § 17.11.100
- Minimum side setback: 15 ft — one side of the lot § 17.11.100
- Minimum side setback: 15 ft — corner lots siding on a local street; street side § 17.11.100
- Maximum lot coverage: 30% — two-story buildings or structures § 17.11.120
Not on this page
We did not find a general FAR limit for R-20.0 in the zoning tables we read. The code may still set one elsewhere — check the Corona Municipal Code.
Other Corona zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Corona's R-20.0 zone?
30 ft (a single-story structure is limited to 25 ft) — Corona Municipal Code § 17.11.090.
What is the maximum number of stories in Corona's R-20.0 zone?
2 stories — Corona Municipal Code § 17.11.090.
What is the minimum front setback in Corona's R-20.0 zone?
25 ft (need not be deeper than the average of the neighboring front yards, but never less than 20 ft) — Corona Municipal Code § 17.11.100.
What is the minimum side setback in Corona's R-20.0 zone?
10 ft (the narrower side yard; the other side must be 15 ft) — Corona Municipal Code § 17.11.100.
What is the minimum rear setback in Corona's R-20.0 zone?
10 ft — Corona Municipal Code § 17.11.100.
General information, not legal advice.
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