Redlands R-3 zoning: height, setbacks and lot size

R-3 (Multiple-Family Residential District) is a zoning district in Redlands. Every value below was read from the Redlands 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-3

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 number of stories	4 stories § 18.60.120 · code text In the R-3 zone, buildings and structures shall have a height not greater than four (4) stories.
Minimum front setback	15 ft Applies: For one- and two-story buildings § 18.60.130 · code text 1. For one- and two-story buildings, the yard shall be not less than fifteen feet (15') in depth;
Minimum rear setback	20 ft Applies: an apartment building's rear yard may be reduced to the side yard dimension if equal common open space is provided § 18.60.150 · code text In the R-3 zone each lot shall have a rear yard of not less than twenty feet (20'), except that the rear yard of an apartment building may be reduced to the same dimension as the required side yard if a common open space which is equal to or greater in area than the reduction in the required rear yard is provided.
Minimum lot size	10,000 sq ft § 18.60.080 · code text In the R-3 zone, each lot shall have a minimum area of ten thousand (10,000) square feet.
Maximum lot coverage	60% § 18.60.110 · code text Maximum coverage by structures in the R-3 zone is sixty percent (60%) of the lot area.
Maximum density	1 unit per 1,450 sq ft § 18.60.100 · code text The maximum density in the R-3 zone is one thousand four hundred fifty (1,450) square feet of lot area per dwelling unit.

When a different number applies

The code sets other values for particular lots, buildings or locations in R-3:

Minimum front setback: 20 ft — For three-story buildings § 18.60.130
Minimum front setback: 25 ft — For four-story buildings § 18.60.130
Minimum front setback: 20 ft — two-story grouped buildings (more than one main building on a lot, or built around a court) § 18.60.160
Minimum side setback: 5 ft — one-story grouped buildings (more than one main building on a lot, or built around a court) § 18.60.160
Minimum side setback: 10 ft — three-story grouped buildings (more than one main building on a lot, or built around a court) § 18.60.160
Minimum side setback: 15 ft — four-story grouped buildings (more than one main building on a lot, or built around a court) § 18.60.160
Minimum rear setback: 15 ft — one- or two-story grouped buildings (more than one main building on a lot, or built around a court) § 18.60.160

Not on this page

We did not find a general height, side setback, FAR limit for R-3 in the zoning tables we read. The code may still set one elsewhere — check the Redlands Municipal Code.

Other Redlands zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum number of stories in Redlands's R-3 zone?

4 stories — Redlands Municipal Code § 18.60.120.

What is the minimum front setback in Redlands's R-3 zone?

15 ft (for one- and two-story buildings) — Redlands Municipal Code § 18.60.130.

What is the minimum rear setback in Redlands's R-3 zone?

20 ft (an apartment building's rear yard may be reduced to the side yard dimension if equal common open space is provided) — Redlands Municipal Code § 18.60.150.

What is the minimum lot size in Redlands's R-3 zone?

10,000 sq ft — Redlands Municipal Code § 18.60.080.

What is the maximum lot coverage in Redlands's R-3 zone?

60% — Redlands Municipal Code § 18.60.110.

General information, not legal advice.