Placentia · Zoning · R-1
Placentia R-1 zoning: height, setbacks and lot size
In Placentia's R-1 zone, generally buildings can be up to 30 ft tall and the front setback is 20 ft, with the conditions listed below (Placentia code, read October 2026).
Key points
- Maximum building height: 30 ft
- Minimum front setback: 20 ft (From ultimate right-of-way, or as set by the planning commission and city council when optional design standards have been used as set forth in Section 23.12.110)
- Minimum side setback: 6 ft on one side and 10 ft on the opposite side (The 10 ft side is mandatory where the side yard abuts the rear yard of the adjacent lot.)
- Minimum rear setback: 20 ft (Initial construction)
- Maximum lot coverage: 50%
R-1 (Single-Family Residential District) is a zoning district in Placentia. Every value below was read from the Placentia 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-1
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 § 23.12.040 · code textMaximum allowable height limit in the “R-1” district shall be thirty (30) feet; accessory buildings twenty (20) feet. |
|---|---|
| Minimum front setback | 20 ft Applies: From ultimate right-of-way, or as set by the planning commission and city council when optional design standards have been used as set forth in Section 23.12.110 § 23.12.070 · code textTwenty (20) feet from ultimate right-of-way or as set by the planning commission and city council of optional design standards have been used as set forth in Section 23.12.110; but twenty-five (25) feet to the garage door in all cases where a front entrance garage is used except that twenty (20) feet shall be permitted where a roll-up garage door is provided. |
| Minimum side setback | 6 ft on one side and 10 ft on the opposite side Applies: The 10 ft side is mandatory where the side yard abuts the rear yard of the adjacent lot. § 23.12.080 · code textMinimum setbacks shall be six (6) feet on one side and ten (10) feet on the opposite side, with the following exceptions: |
| Minimum rear setback | 20 ft Applies: Initial construction § 23.12.080 · code textMinimum setback shall be twenty (20) feet from rear property line. |
| Maximum lot coverage | 50% § 23.12.060 · code textThe maximum allowable building coverage shall be not more than fifty (50) percent of the net lot area; |
Uses in R-1
Uses the code's use tables allow in R-1, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed
- Child care center — Needs an use permit
- Church or place of worship — Needs an use permit
- Growing crops — Needs an use permit
When a different number applies
The code sets other values for particular lots, buildings or locations in R-1:
- Maximum building height: 20 ft — Accessory buildings § 23.12.040
- Minimum front setback: 25 ft — To the garage door where a front entrance garage is used, except where a roll-up garage door is provided § 23.12.070
- Minimum side setback: 12 ft — Corner lots, measured from the ultimate right-of-way to any structure § 23.12.080
- Minimum side setback: 5 ft — Patio covers, measured from a side yard property line from the overhang § 23.12.080
- Minimum rear setback: 10 ft — Room additions, accessory structures and enclosed patios § 23.12.080
- Minimum rear setback: 5 ft — Patio covers, measured from the rear property line from the overhang § 23.12.080
Not on this page
We did not find a general stories, lot size, FAR, density limit for R-1 in the zoning tables we read. The code may still set one elsewhere — check the Placentia Municipal Code.
Other Placentia zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Placentia's R-1 zone?
30 ft — Placentia Municipal Code § 23.12.040.
What is the minimum front setback in Placentia's R-1 zone?
20 ft (from ultimate right-of-way, or as set by the planning commission and city council when optional design standards have been used as set forth in Section 23.12.110) — Placentia Municipal Code § 23.12.070.
What is the minimum side setback in Placentia's R-1 zone?
6 ft on one side and 10 ft on the opposite side (the 10 ft side is mandatory where the side yard abuts the rear yard of the adjacent lot) — Placentia Municipal Code § 23.12.080.
What is the minimum rear setback in Placentia's R-1 zone?
20 ft (initial construction) — Placentia Municipal Code § 23.12.080.
What is the maximum lot coverage in Placentia's R-1 zone?
50% — Placentia Municipal Code § 23.12.060.
General information, not legal advice.
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