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Downey · Zoning · R-1 — 5,000

Downey R-1 — 5,000 zoning: height, setbacks and lot size

In Downey's R-1 — 5,000 zone, buildings can be up to 28 ft tall, the front setback is 20 ft and the minimum lot size is 5,000 sq ft (Downey code, read October 2026).

Key points

  • Maximum building height: 28 ft
  • Minimum front setback: 20 ft
  • Minimum side setback: 10% of lot width, min 5 ft, max 14 ft
  • Minimum rear setback: 20 ft
  • Minimum lot size: 5,000 sq ft
  • Maximum lot coverage: 45%
  • Maximum floor area ratio (FAR): 0.45

R-1 — 5,000 (R-1) is a zoning district in Downey. Every value below was read from the Downey 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 — 5,000

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
28 ft
§ 9312.08 · code text
Table row “main building”, column “R-1 — 5,000”: 28'
Minimum front setback
20 ft
§ 9312.08 · code text
Table row “Front setback (1st floor) — minimum (feet) c,d”, column “R-1 — 5,000”: 20'
Minimum side setback
10% of lot width, min 5 ft, max 14 ft
§ 9312.08 · code text
Table row “Side setback (1st floor) — minimum (feet) e,f”, column “R-1 — 5,000”: 10% lot width, but not less than 5 feet and not to exceed 14 feet
Minimum rear setback
20 ft
§ 9312.08 · code text
Table row “Rear setback — minimum (feet) d”, column “R-1 — 5,000”: 20'
Minimum lot size
5,000 sq ft
§ 9312.08 · code text
Table row “Lot area — minimum (sq. ft.)”, column “R-1 — 5,000”: 5,000
Maximum lot coverage
45%
§ 9312.08 · code text
Table row “Lot coverage — maximum”, column “R-1 — 5,000”: 45%
Maximum floor area ratio (FAR)
0.45
§ 9312.08 · code text
Table row “Floor area ratio — maximum a”, column “R-1 — 5,000”: 0.45

When a different number applies

The code sets other values for particular lots, buildings or locations in R-1 — 5,000:

  • Maximum floor area ratio (FAR): 0.50 — Single-family dwelling units providing renewable energy sources that provide 50% or greater of a parcel's annual energy requirements § 9312.08

Not on this page

We did not find a general stories, density limit for R-1 — 5,000 in the zoning tables we read. The code may still set one elsewhere — check the Downey Municipal Code.

Other Downey zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Downey's R-1 — 5,000 zone?

28 ft — Downey Municipal Code § 9312.08.

What is the minimum front setback in Downey's R-1 — 5,000 zone?

20 ft — Downey Municipal Code § 9312.08.

What is the minimum side setback in Downey's R-1 — 5,000 zone?

10% of lot width, min 5 ft, max 14 ft — Downey Municipal Code § 9312.08.

What is the minimum rear setback in Downey's R-1 — 5,000 zone?

20 ft — Downey Municipal Code § 9312.08.

What is the minimum lot size in Downey's R-1 — 5,000 zone?

5,000 sq ft — Downey Municipal Code § 9312.08.

General information, not legal advice.

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