Norco · Zoning · R-1
Norco R-1 zoning: height, setbacks and lot size
In Norco's R-1 zone, generally buildings can be up to 35 ft tall and the minimum lot size is 10,000 sq ft, with the conditions listed below (Norco code, read October 2026).
Key points
- Maximum building height: 35 ft (Maximum is two and one-half stories or 35 feet, whichever is less)
- Minimum side setback: 5 ft (Interior side yard for lots of 10,000 square feet or less)
- Minimum rear setback: 15 ft
- Minimum lot size: 10,000 sq ft (Lots hereafter created; the zone suffix sets the minimum, never less than 10,000 sq ft.)
- Maximum lot coverage: 50%
R-1 (Residential Single-Family) is a zoning district in Norco. Every value below was read from the Norco 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 | 35 ft Applies: Maximum is two and one-half stories or 35 feet, whichever is less § 18.15.18 · code textThe maximum height of any main building shall be two and one-half stories or 35 feet, whichever is less. |
|---|---|
| Minimum side setback | 5 ft Applies: Interior side yard for lots of 10,000 square feet or less § 18.15.12 · code text(i) All lots of 10,000 square feet or less; a minimum of five feet. |
| Minimum rear setback | 15 ft § 18.15.12 · code text(3) Rear Yard: Minimum of 15 feet. |
| Minimum lot size | 10,000 sq ft Applies: Lots hereafter created; the zone suffix sets the minimum, never less than 10,000 sq ft. § 18.15.10 · code textAll lots in this zone shall contain a minimum lot area as prescribed by the suffix applicable thereto; provided, that there shall be at least 10,000 square feet in all lots hereafter created, and no lot in this zone shall be reduced below this minimum. |
| Maximum lot coverage | 50% § 18.15.20 · code textThe maximum lot coverage of all structures shall be not more than 50 percent of the total lot area. |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-1:
- Minimum side setback: One side at least 5 ft, other at least 12 ft; the two total at least 20 ft — Interior side yards on lots over 10,000 sq ft. § 18.15.12
- Minimum side setback: 20% of lot width, max 15 ft — Corner side yard on the street side § 18.15.12
Not on this page
We did not find a general stories, front setback, FAR, density limit for R-1 in the zoning tables we read. The code may still set one elsewhere — check the Norco Municipal Code.
Other Norco zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Norco's R-1 zone?
35 ft (maximum is two and one-half stories or 35 feet, whichever is less) — Norco Municipal Code § 18.15.18.
What is the minimum side setback in Norco's R-1 zone?
5 ft (interior side yard for lots of 10,000 square feet or less) — Norco Municipal Code § 18.15.12.
What is the minimum rear setback in Norco's R-1 zone?
15 ft — Norco Municipal Code § 18.15.12.
What is the minimum lot size in Norco's R-1 zone?
10,000 sq ft (lots hereafter created; the zone suffix sets the minimum, never less than 10,000 sq ft) — Norco Municipal Code § 18.15.10.
What is the maximum lot coverage in Norco's R-1 zone?
50% — Norco Municipal Code § 18.15.20.
General information, not legal advice.
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