Chino Hills R-S-9 zoning: height, setbacks and lot size

R-S-9 (Tract 13627-1 Western Hills) is a zoning district in Chino Hills. Every value below was read from the Chino Hills 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-S-9

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 § 16.10.030 · code text Table row “R-S-9 (Tract 13627-1 Western Hills)”, column “Maximum Building Height”: 35 ft.
Minimum front setback	25 ft See notes c, d below the table in the code. § 16.10.030 · code text Table row “R-S-9 (Tract 13627-1 Western Hills)”, column “Minimum Front Yard Setback (c) (d)”: 25 ft. Note c: The minimum front yard setback is applied to the primary structure and the garage, unless otherwise noted in Development Standards Table 20-l(C) Note d: The front yard setbacks are varied because they were originally adopted in the repealed PD, they are now set forth by tract and lot number in Appendix E of the Chino Hills Municipal Code.
Minimum side setback	7 ft Applies: Local street side and other side See note f below the table in the code. This is the street-side setback on a corner lot; an interior side setback can differ. § 16.10.030 · code text Table row “R-S-9 (Tract 13627-1 Western Hills)”, column “Minimum Side Yard Setback (f) i) Local Street Side ii) Other Side”: i) 7 ft. ii) 7 ft. Note f: The side and rear yard setbacks are varied because they were originally adopted in the repealed PD, they are now set forth by tract and lot number in Appendix E of the Chino Hills Municipal Code.
Minimum rear setback	20 ft See note f below the table in the code. § 16.10.030 · code text Table row “R-S-9 (Tract 13627-1 Western Hills)”, column “Minimum Rear Yard Setback (f)”: 20 ft. Note f: The side and rear yard setbacks are varied because they were originally adopted in the repealed PD, they are now set forth by tract and lot number in Appendix E of the Chino Hills Municipal Code.
Minimum lot size	0.4 acres (17,424 sf) See note a below the table in the code. § 16.10.030 · code text Table row “R-S-9 (Tract 13627-1 Western Hills)”, column “Minimum Lot Size or Minimum Project Area”: 0.4 acres (17,424 sf) (a) Note a: Minimum lot size as noted in Development Standards Table 20-l(C), unless otherwise indicated in Appendix E of the Chino Hills Municipal Code
Maximum lot coverage	45% § 16.10.030 · code text Table row “R-S-9 (Tract 13627-1 Western Hills)”, column “Maximum Lot Coverage by Buildings”: 45%

Not on this page

We did not find a general stories, FAR, density limit for R-S-9 in the zoning tables we read. The code may still set one elsewhere — check the Chino Hills Municipal Code.

Other Chino Hills zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Chino Hills's R-S-9 zone?

35 ft — Chino Hills Municipal Code § 16.10.030.

What is the minimum front setback in Chino Hills's R-S-9 zone?

25 ft — Chino Hills Municipal Code § 16.10.030.

What is the minimum side setback in Chino Hills's R-S-9 zone?

7 ft (local street side and other side) — Chino Hills Municipal Code § 16.10.030. The code attaches notes or conditions to this value; read the section before relying on it.

What is the minimum rear setback in Chino Hills's R-S-9 zone?

20 ft — Chino Hills Municipal Code § 16.10.030.

What is the minimum lot size in Chino Hills's R-S-9 zone?

0.4 acres (17,424 sf) — Chino Hills Municipal Code § 16.10.030.

General information, not legal advice.