Local zoning · Chino

Chino — Zoning

Q: What can I build on an R‑1/RD 4.5 lot in Chino?

On an RD 4.5 lot you can build single‑family homes and accessory structures consistent with the district purpose; the district’s dimensional rules (minimum lot area 7,200 sq ft , minimum width 60 ft , front setback 25 ft , max lot coverage 60% ) control massing and siting — see Table 20.04‑3 at § 20.04.040 for the full numeric table and permitted uses in the residential chapter .

Q: How do overlays affect what I can build on my lot?

Overlays (for example DO , AHO , MUO ) add or modify standards on top of the base zone (Table 20.03‑2). If your parcel lies in an overlay, overlay rules can change allowed uses, design or affordability obligations. Check the zoning map for overlay boundaries and read the overlay text in § 20.03.020.B and the overlay chapter(s) .

Q: Where do I find the parking requirements for a project?

Parking requirements are contained in Chapter 20.18 (the parking chapter); the development standard tables (e.g., Table 20.04‑3) refer to Chapter 20.18 for number of required spaces and design rules. See the Chino Parking page and Chapter 20.18 in the Code for full details (§ 20.04.040 notes) .

Q: Can nonresidential land be rezoned to residential in Chino?

Measure M provisions (Chapter 20.15 ) generally prohibit converting nonresidential land to residential, with limited exceptions and voter authorizations. The Code lists specific voter authorized rezones and establishes the rule in § 20.15.020.B ; some parcels have been specially rezoned by ordinance — check Chapter 20.15 and any parcel‑specific ordinances for exceptions .

Q: What are the mixed‑use (MU) ground‑floor requirements?

In mixed‑use districts the Code requires ground‑floor retail or services and limits residential/office to upper floors; the gross floor area of a single ground‑floor commercial establishment is capped (e.g., 15,000 sq ft rule cited in the mixed‑use chapter) — see § 20.05.040.B.1–3 and Table 20.05‑2 for the MU district standards .

Zoning under the Chino local zoning and planning code, with the controlling citations.

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Last reviewed: July 1, 2026

Overview

Chino’s zoning rules are codified in the local Zoning Code (Title 20 of the municipal code) and establish the city’s official zoning map, base zoning districts, and overlay districts that implement the General Plan and Measure M density limits. The Code names specific districts such as RD 4.5, RD 8, MU 20, CG, BP, M1, and overlays like DO and AHO, and attaches development standards (setbacks, lot sizes, FAR, heights) to those districts. See the city’s official map and the Code for where districts apply and for parcel‑level verifications; the Zoning Map and districts are established in § 20.03.020 and the map is incorporated by reference (§ 20.03.020.C) . For related procedural topics see the city’s Chino Land Use and the numeric development controls in Chino Development Standards. The Code’s parking rules are in a separate chapter; see parking.

How Chino organizes zoning (high level)

Base zoning districts are listed in Table 20.03‑1 (examples: RD 1, RD 4.5, RD 8, RD 12, MU 20, CG, BP, M1) and implement General Plan land use categories (§ 20.03.020.A) .
Overlay zoning districts (for added rules on top of base zones) include AHO, AO, A (Airport), DO (Downtown Overlay) and MUO (Mixed Use Overlay) (§ 20.03.020.B) . See the Chino Overlay Districts page for related context.
Zone changes, amendments, and the required findings are governed by the zone‑change procedures in § 20.23.060 (application, notice, findings, planning commission and city council review) .
Interpretations, appeals and the official record of interpretations are handled by the Director and Planning Commission per § 20.22 provisions (interpretation rules) .
Design review and project‑level controls (where required) are handled separately; see the Chino Design Review menu item.

District-by-district breakdown

Below are the Code’s districts grouped and presented as discrete subsections. Each subsection gives the Code’s stated purpose, typical permitted uses summarized from the ordinance text, key dimensional standards (where the Code provides them), and where it applies (how to confirm). All requirements are quoted by citation to the controlling Code section below; confirm parcel-level designations on the official zoning map.

Note: every district name and numeric standard below is shown in bold and grounded to the cited sections. For many numeric tables the Code references specific tables — I cite the table’s controlling section; consult the table in the ordinance for full numeric detail.

Residential districts — RD 1

Purpose: The RD 1 (Residential/Agricultural) district is for very large lot, rural residential uses and buffers between urban and intensive agricultural areas (§ 20.04.020.A) .
Typical permitted uses: large‑lot dwellings, agricultural accessory uses, equestrian/horsekeeping where allowed (see § 20.04.020 for RD intent) .
Key dimensions: Minimum lot area 1 acre, minimum lot width 100 ft, maximum density 1 du/acre, maximum lot coverage 25%, maximum height 35 ft / 2½ stories (see Table 20.04‑3 under § 20.04.040) .
Where it applies: parcels are those shown on the official zoning map; confirm with § 20.03.020.C and the map .

Residential districts — RD 2

Purpose: RD 2 supports large‑lot residential semi‑rural development including horsekeeping (§ 20.04.020.B) .
Typical permitted uses: single‑family homes, accessory agricultural/residential uses; equestrian uses noted in district purpose (§ 20.04.020) .
Key dimensions: Minimum lot area 20,000 sq ft, minimum width 100 ft, maximum density 2 du/acre, lot coverage 25%, front setback 25 ft, max height 35 ft (Table 20.04‑3 / § 20.04.040) .
Where it applies: per the zoning map (§ 20.03.020.C) .

Residential districts — RD 4.5

Purpose: RD 4.5 encourages typical suburban single‑family subdivisions (§ 20.04.020.C) .
Typical permitted uses: conventional single‑family homes, accessory structures; small lot subdivisions are allowed subject to the small‑lot chapter (§ 20.13) for RD 4.5 (§ 20.13.020) .
Key dimensions: Minimum lot area 7,200 sq ft, minimum width 60 ft, maximum density 4.5 du/acre, lot coverage 60%, front setback 25 ft, rear 10 ft, interior side 10 / 5 ft (see Table 20.04‑3 / § 20.04.040) .
Where it applies: official zoning map (§ 20.03.020.C) .

Residential districts — RD 8

Purpose: RD 8 serves single‑ and multifamily forms at a higher suburban density (§ 20.04.020.D) .
Typical permitted uses: duplexes, small multifamily, single family; small‑lot residential subdivisions are expressly allowed with approvals (§ 20.13.020) .
Key dimensions: Minimum lot area 4,500 sq ft, width 50 ft, density up to 8 du/acre, lot coverage 60%, front setback 20 ft, rear 15 ft, interior side 5 ft, height 35 ft / 2½ stories (Table 20.04‑3 / § 20.04.040) .
Where it applies: check the zoning map (§ 20.03.020.C) .

Residential districts — RD 12, RD 14, RD 20

Purpose & density: RD 12, RD 14, RD 20 are higher‑density multifamily residential districts; the table in § 20.03.020 lists them as implementing higher General Plan densities (RD12 = 8–12 du/ac, RD14 = 12–14 du/ac, RD20 = 14–20 du/ac) .
Typical permitted uses: multifamily apartments, condominiums, and related residential services (specific permitted uses and multifamily dimensional controls are in the multifamily development standards tables; see § 20.04.040 and Table 20.04‑4) .
Key dimensions: Multifamily tables and development standards appear in § 20.04.040 (Table 20.04‑4) — consult the ordinance for exact setbacks, lot coverage and FAR for each multifamily district; if a parcel’s exact setbacks or coverage are not reproduced here, Verify with the jurisdiction. See also small‑lot special provisions (§ 20.13) where applicable .
Where it applies: official zoning map (§ 20.03.020.C) .

Mixed‑use districts — MU 20 and MU 30

Purpose: MU 20 and MU 30 are intended for mixed commercial/residential development with density caps 20 DU/AC and 30 DU/AC respectively (§ 20.05.040) .
Typical permitted uses: ground‑floor retail/services required with upper‑floor residential or office; residential and office uses are restricted to upper floors in mixed‑use buildings (§ 20.05.040.B.1–3) .
Key dimensions: Minimum lot area 10,000 sq ft, minimum lot width 80 ft, front/setbacks 0 ft permitted (to encourage urban frontage), maximum FAR 1.0 for MU 20 and 1.5 for MU 30, heights 45 ft (3 stories) for MU 20 and 55 ft (4 stories) for MU 30 (Table 20.05‑2 / § 20.05.040) .
Where it applies: designated parcels on the zoning map and any applicable Mixed Use Overlay; see § 20.03.020 and the map .

Commercial districts — CN, CG, CO, CR, SC

Purpose: The Code distinguishes neighborhood centers and regional/commercial office types:
- CN (Neighborhood Convenience): neighborhood shopping centers; FAR up to 0.3 (§ 20.06.020.A) .
- CG (General Commercial): broad commercial uses meeting citywide needs; FAR up to 1.0 (§ 20.06.020.B) .
- CO (Commercial Office): office, research, medical and professional uses; FAR up to 1.0 (§ 20.06.020.C) .
- CR (Commercial Regional) and SC (Service Commercial) are listed in Table 20.03‑1 as other commercial categories; details in Chapter 20.06 (§ 20.03.020) .
Typical permitted uses: retailers, restaurants, offices, services consistent with each district’s purpose; CR serves regional retail, CO targets office and R&D (§ 20.06.020) .
Key dimensions: FAR caps noted above; other setback, coverage and parking requirements are in the development standards and parking chapter (see § 20.06.020 and Chapter 20.18). For design and signage see the Code’s commercial development sections and the Chino Signage menu item.
Where it applies: zoning map (§ 20.03.020.C) .

Business Park and Industrial — BP, M1, M2

Purpose: BP (Business Park) for campus‑type offices and light industrial; M1 (Light Industrial) and M2 (General Industrial) for industrial uses (§ 20.03.020, Ch. 20.06/20.07) .
Typical permitted uses: offices, R&D, warehousing, light manufacturing in BP/M1; heavier industrial processing in M2 per district intent and use lists in Chapters 20.06/20.07 (see Code) .
Key dimensions / special rules: Industrial districts require additional setbacks where abutting residential (minimum 20 ft plus screening wall and landscape buffer) and additional setbacks for tall walls; buildings 3+ stories require an extra 15 ft setback (§ 20.07; see industrial standards excerpt) .
Where it applies: parcels shown on official zoning map (§ 20.03.020.C) .

Airport Development — AD

Purpose: AD (Airport Development) supports airport‑related development and public uses (§ 20.07/industrial & AD provisions) .
Key rules: minimum street setbacks 25 ft, parking design standards apply, and design materials/colors/surface treatments limited so as not to interfere with airport operations (§ 20.07 / AD special standards) .
Where it applies: defined parcels adjacent to the airport on zoning map (§ 20.03.020.C) .

Agriculture / Open Space / Public — AG, OS1, OS2, P, PS

Purpose: AG (General Agricultural) preserves agricultural uses; OS1/OS2 protect active and natural open space; P and PS designate public facilities and schools (§ 20.08.020) .
Typical permitted uses: farm operations, parks, recreation, public buildings and schools as appropriate to the district (§ 20.08.020) .
Where it applies: see zoning map and any agricultural overlay (§ 20.03.020) .

Overlay districts (examples)

The Code lists overlay districts in Table 20.03‑2 including AHO (Affordable Housing Overlay), AO (Agricultural Overlay), A (Airport Overlay), DO (Downtown Overlay) and MUO (Mixed Use Overlay) (§ 20.03.020.B) .
Effect: overlays add or modify standards on top of an underlying base zone (e.g., design standards, affordability requirements, or downtown form rules). Confirm overlay applicability on the official zoning map and the overlay table (§ 20.03.020.B–C) . See the Chino Historic Preservation and Chino Landscaping and Screening pages where overlays or special standards direct treatment.

Quick decision‑relevant standards (summary table)

District (example)	Key standards / limits	Where to confirm (Code)
RD 4.5	Min lot 7,200 sq ft, min width 60 ft, front setback 25 ft, max lot coverage 60%, max height 35 ft	Table 20.04‑3, § 20.04.040
RD 8	Min lot 4,500 sq ft, width 50 ft, front setback 20 ft, rear 15 ft, interior side 5 ft, max height 35 ft	Table 20.04‑3, § 20.04.040
MU 20	Density 20 DU/AC, min lot area 10,000 sq ft, FAR 1.0, height 45 ft / 3 stories, front setback 0 ft	Table 20.05‑2, § 20.05.040
CG (General Commercial)	FAR up to 1.0; mixed commercial/office/retail uses allowed	§ 20.06.020.B
BP (Business Park)	Campus office/light industrial uses; design and buffering rules where abutting residential	Ch. 20.06/20.07; § 20.03.020
Industrial (M1/M2)	Industrial setbacks: +15 ft for 3+ story, 20 ft min where abutting residential + masonry wall and landscape screen	Industrial standards (Ch. 20.07 excerpt) § 20.07

Practical guidance & synthesis

Start at the zoning map: the single most important check is which base zone and overlay apply to the parcel (the Code makes the map part of the ordinance; see § 20.03.020.C) .
Use the district tables first for dimensional checks (Tables cited in § 20.04.040 and § 20.05.040) — they give lot area, widths, setbacks, lot coverage, FAR and heights; for details consult the exact table entry in the ordinance (§ 20.04.040, § 20.05.040) .
Overlays can change requirements (e.g., downtown urban form or affordable housing obligations); always check overlay applicability and overlay provisions in Table 20.03‑2 (§ 20.03.020.B) .
For non‑standard proposals (lot splits, small‑lot subdivisions, density increases, or conversions), follow the Code’s zone‑change and specific plan procedures (see § 20.23.060 for zone change findings and § 20.13 for small lot residential standards) .
Parking is regulated separately (Chapter 20.18); consult the Chino Parking rules for required spaces and design standards and the Code cross‑references in the development tables (§ 20.04.040, Table notes) .
Design review, signage, landscaping, and other site‑level controls may apply: check design review, signage, and landscaping menus and the Code chapters they reference.

Checklist

Confirm parcel’s base zoning district and overlay district(s) on the official zoning map (§ 20.03.020.C) .
Read the district purpose and permitted uses for that district (Table 20.03‑1 and applicable chapter e.g., Ch. 20.04 for residential) (§ 20.03.020, § 20.04.010) .
Verify numeric development standards (lot area, widths, setbacks, lot coverage, FAR, heights) in the applicable table (e.g., Table 20.04‑3 for single‑family, Table 20.05‑2 for MU) (§ 20.04.040, § 20.05.040) .
Check overlay requirements (AHO, DO, MUO, etc.) and any special restrictions (§ 20.03.020.B) .
Confirm parking requirements (Chapter 20.18) and parking design standards for the district (§ 20.04.040 notes reference Chapter 20.18) .
For zone changes or density increases, prepare to satisfy the zone‑change findings and public hearing/notice rules (§ 20.23.060) .
If the project is in downtown, airport, or subject to a small‑lot exemption, consult the special chapters: Downtown/DO, Airport/AD and Small Lot (§ 20.13, § 20.07) .
Verify affordable‑housing or Measure M constraints for residential density (Chapter 20.15) where applicable (§ 20.15.020) .

Risks & Ambiguities

Issue	Why it matters	What to verify
Measure M voter‑restrictions and rezoning exceptions	Measure M (Chapter 20.15) limits conversions of nonresidential land to residential and fixes density maxima — this can block rezones or require voter authorization	Confirm whether the parcel was subject to Measure M restrictions or to a later ordinance reauthorizing rezoning (§ 20.15.020 and related voter authorizations)
Overlay district requirements (DO, AHO, MUO)	Overlays can add or change standards (design, affordability, allowable uses) and are mapped separately (§ 20.03.020.B)	Verify the parcel’s overlay status on the official Zoning Map and read overlay text in the ordinance (§ 20.03.020)
Parcel‑level exceptions or development agreements	Prior development agreements or special ordinances (rezones approved by vote) may supersede standard district rules (§ 20.15 voter authorizations)	Check for recorded development agreements or specific rezoning ordinances affecting the parcel (Measure M entries, listed ordinances)
Missing numeric details for some multifamily districts in the retrieved excerpt	Some multifamily dimension tables (e.g., Table 20.04‑4) are referenced but not fully reproduced in the retrieved excerpts	Consult the full ordinance text/tables in § 20.04.040 (Table 20.04‑4) or contact Community Development to confirm precise setbacks, FAR and coverage for RD 12/14/20
Interpretation variance risk	Director interpretations can be issued and appealed (Chapter 20.22) — a project’s classification or standard application may be open to interpretation (§ 20.22)	If a use or standard is borderline, request an official interpretation and be prepared for appeal timelines (§ 20.22)

Plain-English Summary

Chino’s zoning code breaks the city into named base zones (e.g., RD 4.5, RD 8, MU 20, CG, BP, M1) with tables that fix lot sizes, setbacks, heights and FAR; overlays (like DO or AHO) add site‑specific rules. Always confirm the parcel’s base and overlay zoning on the official zoning map and then read the district table referenced in the Code (for example, see the single‑family table at § 20.04.040) before planning a project .

Source References

Zoning districts and official map: § 20.03.020 (Table 20.03‑1 and Table 20.03‑2 on overlays) .
Residential district purpose and single‑family standards (Table 20.04‑3): § 20.04.010, § 20.04.020, § 20.04.040 .
Mixed‑use district standards (Table 20.05‑2): § 20.05.040 .
Commercial district purposes and FARs: § 20.06.020 .
Industrial/AD special setbacks and design rules: Chapter excerpts and industrial standards (see § 20.07 excerpt) .
Overlay districts and zoning map incorporation by reference: § 20.03.020.B–C .
Zone change procedures, findings, application, notice: § 20.23.060 .
Measure M (general plan initiative limiting conversions and densities): Chapter 20.15 (see § 20.15.010–20.15.020 and specific voter authorization subsections) .
Small lot residential subdivision standards and permit triggers: Chapter 20.13 (§ 20.13.020–20.13.050) .

Sources

Retrieved passages

Chino Zoning Code (§ 1) High relevance
Chino Zoning Code (§ 1) High relevance
Chino Zoning Code (SECTION 18) High relevance
Chino Zoning Code (§ 1) High relevance
Chino Zoning Code (§ 1) High relevance
Chino Zoning Code (§ 17) High relevance
Chino Zoning Code (§ 1) High relevance
Chino Zoning Code (§ 17) High relevance

Cited sections

Official Chino code library

Frequently asked questions

What can I build on an R‑1/RD 4.5 lot in Chino?

On an RD 4.5 lot you can build single‑family homes and accessory structures consistent with the district purpose; the district’s dimensional rules (minimum lot area 7,200 sq ft, minimum width 60 ft, front setback 25 ft, max lot coverage 60%) control massing and siting — see Table 20.04‑3 at § 20.04.040 for the full numeric table and permitted uses in the residential chapter .

What are Chino setback requirements for single‑family lots?

Single‑family setbacks are set in Table 20.04‑3 (referenced by § 20.04.040): for example, RD 4.5 front setback 25 ft, rear 10 ft, interior side 10/5 ft (depending on conditions); RD 8 front 20 ft, rear 15 ft. Always confirm the exact table entry for your district in § 20.04.040 .

Do I need design review in Chino?

Design review rules are set by the Code and project type; many commercial, mixed‑use and some multifamily developments are subject to design review. Consult the Code’s design review chapter and the city’s Chino Design Review page for which projects and districts require design review (see related Code chapters and project submittal rules) .

How do overlays affect what I can build on my lot?

Overlays (for example DO, AHO, MUO) add or modify standards on top of the base zone (Table 20.03‑2). If your parcel lies in an overlay, overlay rules can change allowed uses, design or affordability obligations. Check the zoning map for overlay boundaries and read the overlay text in § 20.03.020.B and the overlay chapter(s) .

Where do I find the parking requirements for a project?

Parking requirements are contained in Chapter 20.18 (the parking chapter); the development standard tables (e.g., Table 20.04‑3) refer to Chapter 20.18 for number of required spaces and design rules. See the Chino Parking page and Chapter 20.18 in the Code for full details (§ 20.04.040 notes) .

Can nonresidential land be rezoned to residential in Chino?

Measure M provisions (Chapter 20.15) generally prohibit converting nonresidential land to residential, with limited exceptions and voter authorizations. The Code lists specific voter authorized rezones and establishes the rule in § 20.15.020.B; some parcels have been specially rezoned by ordinance — check Chapter 20.15 and any parcel‑specific ordinances for exceptions .

What are the mixed‑use (MU) ground‑floor requirements?

In mixed‑use districts the Code requires ground‑floor retail or services and limits residential/office to upper floors; the gross floor area of a single ground‑floor commercial establishment is capped (e.g., 15,000 sq ft rule cited in the mixed‑use chapter) — see § 20.05.040.B.1–3 and Table 20.05‑2 for the MU district standards .

How are industrial sites buffered from homes?

Industrial districts specify additional setbacks and buffering where they abut residential zones: a minimum 20 ft setback plus a 6‑ft masonry block wall and landscape screen to reach 10 ft tall is required in abutting areas; other height‑related setbacks apply for taller walls (see industrial standards excerpt, § 20.07) .

If my lot is RD12 or RD20 where do I find height/coverage numbers?

RD12/RD20 are listed with density ranges in Table 20.03‑1 (§ 20.03.020), and multifamily development standards are in § 20.04.040 (Table 20.04‑4). The ordinance contains the full multifamily table — consult that table or the Community Development Department for parcel‑level numeric confirmation .

How do I change the zoning on a parcel?

Zone changes and zoning‑code amendments follow the procedures in § 20.23.060: application and filing, staff investigation, planning commission recommendation, city council action, and required findings (consistency with General Plan, no adverse impacts, suitability of site). Expect public notice and hearings as prescribed in that section .

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