Local zoning · Blythe

Blythe — Zoning

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

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Last reviewed: July 1, 2026

Overview

Blythe’s zoning rules live in the City’s Comprehensive Zoning Ordinance, codified as Title 17 of the Municipal Code, which sets what you can build and where, how big it can be, and how sites must be laid out . The City’s zones are applied on an official zoning map adopted by ordinance and kept on file; all parcels must comply with their base zone plus any applicable overlay zones . For context on how zoning fits into permits and plan review, see the Blythe zoning & planning overview.

How Blythe’s zoning is structured

  • Title and purpose: The ordinance is formally the “Comprehensive Zoning Ordinance of the City of Blythe,” with the short title “Blythe Zoning Ordinance,” and it states broad purposes such as regulating uses, setbacks, and densities to implement the General Plan .
  • Zoning map and boundary rules: The Official Zoning Map is adopted by §17.06.020 and kept by the City Clerk; boundary interpretation and amendments are in §§17.06.030–17.06.050 .
  • Permitted uses: Use allowances for each zone are organized in the §17.08.010 use table (recently updated), with special housing overlays and notes that modify where and how certain residential types are allowed .
  • Development standards: Citywide dimensional rules include minimum lot sizes, setbacks, lot coverage limits, and how setbacks are measured from planned rights‑of‑way .

Base Zoning Districts (district‑by‑district)

Below are Blythe’s base districts drawn from the minimum lot area table and related sections of Title 17. Always confirm the mapped designation for a site on the Official Zoning Map and any overlays in force .

A — Agriculture

  • Purpose/character: Agricultural production; also the district referenced by Blythe’s farmworker housing provisions .
  • Typical permitted uses: Agricultural uses; farmworker housing is treated as an agricultural activity and allowed without additional zoning entitlements beyond those required for agriculture in the A zone .
  • Key dimensional standards: Minimum lot area 5 acres (minimum width/depth not listed in the retrieved table) .
  • Where it applies: As designated on the Official Zoning Map; verify parcel boundaries and any overlays with the City Clerk/Planning Director files .

R-R — Rural Residential

  • Purpose/character: Rural living with agriculture; explicit standards for low-density residential tied to utility availability and animal keeping .
  • Typical permitted uses: Single dwelling at densities of (a) 1 unit/2.5 acres without central water/sewer; (b) 1 unit/acre with central water and septic; (c) 1 unit/20,000 sq ft with central water and sewer; limited agriculture and certain recreation uses with a conditional use permit; detailed provisions for noncommercial keeping of horses and limited livestock by lot size .
  • Key dimensional standards: Minimum lot area “see §17.06.010(C)” per the lot table; front setback 25 ft; residential side yard baseline 5 ft (with notes); residential lot coverage 40% (citywide rule for most residential lots) .
  • Where it applies: As mapped; confirm on the Official Zoning Map and with boundary rules in §17.06.030 .

R-E — Residential Estate

  • Purpose/character: Large-lot single‑family neighborhood character (purpose statement not found in retrieved materials).
  • Typical permitted uses: See use table in §17.08.010; transitional housing is allowed in all residential zones subject to the same standards as comparable residential uses .
  • Key dimensional standards: Minimum lot area 9,600 sq ft; width 75 ft; depth 100 ft; front setback 25 ft; residential lot coverage 40% .
  • Where it applies: As mapped; verify with the Official Zoning Map .

R-L-1 — Residential Low‑1

  • Purpose/character: Low‑density residential (purpose statement not found in retrieved materials).
  • Typical permitted uses: See §17.08.010; ADUs are recognized in §17.04 and appear as permitted in the updated use table extract .
  • Key dimensional standards: Minimum lot area 7,800 sq ft; width 65 ft; depth 100 ft; front setback 25 ft; residential lot coverage 40% .
  • Where it applies: Per map; setbacks are measured from planned right‑of‑way lines per §17.12.010 .

R-L-1-72 — Residential Low‑1‑72

  • Purpose/character: Variant of R‑L‑1 with reduced front setback (purpose statement not found in retrieved materials).
  • Typical permitted uses: See §17.08.010 (not detailed in retrieved materials) .
  • Key dimensional standards: Minimum lot area 7,200 sq ft; width 65 ft; depth 100 ft; front setback 20 ft; residential lot coverage 40% .
  • Where it applies: As mapped; verify front yard per §17.12.030 .

R-L-2 — Residential Low‑2

  • Typical permitted uses: See §17.08.010 (not detailed in retrieved materials) .
  • Key dimensional standards: Minimum lot area 6,000 sq ft; width 50 ft; depth 100 ft; front setback 20 ft; residential lot coverage 40% .

R-M-L — Residential Medium‑Low

  • Typical permitted uses: See §17.08.010; the P‑D zone defaults to R‑M‑L uses where no CUP is in effect, indicating this is a general residential baseline for planned development areas .
  • Key dimensional standards: Minimum lot area 7,800 sq ft; width 65 ft; depth 100 ft; front setback 15 ft; residential lot coverage 40% .

R-M — Residential Medium

  • Typical permitted uses: See §17.08.010; transitional housing allowed in residential zones under the same standards as comparable uses .
  • Key dimensional standards: Minimum lot area 10,000 sq ft; width 75 ft; depth 100 ft; front setback 15 ft; residential lot coverage 50% (specific to R‑M) .

R-H — Residential High

  • Typical permitted uses: See §17.08.010 (not detailed in retrieved materials) .
  • Key dimensional standards: Minimum lot area 15,000 sq ft; width 100 ft; depth 100 ft; front setback 15 ft; side setback increases to 10 ft for three‑story buildings; residential lot coverage 50% (specific to R‑H) .

Mobile Home Residential

  • Purpose/character: Dedicated to manufactured housing parks and related facilities; commercial/recreational ancillaries by CUP .
  • Typical permitted uses: Manufactured housing parks, cooperatively owned parks, and RV parks; certain associated commercial and recreation uses with a conditional use permit .
  • Key dimensional standards: Not found in retrieved materials. Verify with the jurisdiction.
  • Where it applies: As mapped; verify on the Official Zoning Map .

P-D — Planned Development

  • Purpose/character: Implements General Plan with flexible use/standards on 1 acre+ properties via a conditional use permit and specific plan elements .
  • Typical permitted uses: Where no CUP is in effect, uses default to those in the R‑M‑L zone; City Council may select another base zone and append it as a suffix to P‑D when applied .
  • Key dimensional standards: Set by the approved plan/CUP; otherwise by the designated base zone .

C-N — Neighborhood Commercial

  • Purpose/character: Local‑serving retail and services (purpose statement not found in retrieved materials).
  • Typical permitted uses: Governed by §17.08.010 use table (not fully retrieved) .
  • Key dimensional standards: Minimum lot area 5,000 sq ft; width 50 ft; depth 100 ft (setbacks for commercial not found in retrieved materials) .
  • Where it applies: Per map; see Blythe Parking for parking rules referenced elsewhere in Title 17.

C-C — Community Commercial

  • Typical permitted uses: As provided in §17.08.010; note that commercial cannabis dispensaries may be located in C‑C subject to separation rules, and non‑dispensary cannabis uses (cultivation, manufacturing, testing, distribution) may also be located in C‑C under Chapter 17.63E .
  • Key dimensional standards: Minimum lot area 5,000 sq ft; width 50 ft; depth 100 ft (other commercial standards not found in retrieved materials) .

C-G — General Commercial

  • Typical permitted uses: As provided in §17.08.010; cannabis dispensaries and non‑dispensary cannabis uses may locate in C‑G subject to the separation distances in Chapter 17.63E .
  • Key dimensional standards: Minimum lot area 5,000 sq ft; width 50 ft; depth 100 ft (other standards not found in retrieved materials) .

I-S — Service Industrial

  • Typical permitted uses: As provided in §17.08.010; non‑dispensary cannabis uses may locate in I‑S subject to separation rules in Chapter 17.63E .
  • Key dimensional standards: Minimum lot area 10,000 sq ft; width 75 ft; depth 100 ft (setbacks not found in retrieved materials) .

I-G — General Industrial

  • Typical permitted uses: As provided in §17.08.010; cannabis dispensaries and non‑dispensary cannabis uses may locate in I‑G with required separations .
  • Key dimensional standards: Minimum lot area 15,000 sq ft; width 100 ft; depth 100 ft (setbacks not found in retrieved materials) .

Overlay and Special Districts

  • D‑O — Redevelopment Overlay: Establishes review areas requiring conformance with adopted downtown design standards; all new uses/exterior changes require approval by the Design Review Committee per §17.06.062. Underlying primary zoning controls base uses; CUPs remain applicable . For process, see Blythe Design Review and Blythe Overlay Districts.
  • C‑M‑O — Commercial Manufacturing Overlay: Applied where transition or infill of commercial/light industrial is desired within primarily residential areas. Commercial/industrial uses require a CUP; the underlying residential zone controls residential uses. Side yard setbacks on nonconforming lots may be varied to zero in some cases per §17.10.020(D) .
  • HEO — Housing Element Overlay: Any residential or mixed‑use project on an HEO site that provides at least 20% lower‑income units is a permitted use if it meets the objective criteria in §17.08.020 (with long‑term affordability recorded) .
  • Floodplain Management (Chapter 17.29): Adds requirements where parcels fall in mapped flood hazard areas; Planning Director is the Floodplain Administrator; compliance is required in addition to base zoning .

Citywide Dimensional Rules (selected)

  • Setback measurement: Front setbacks on streets are measured from the planned right‑of‑way line defined by the Planning Director (never closer than 30 ft from centerline of a city street) per §17.12.010 .
  • Residential setbacks by zone: See §17.12.030 table (front setbacks summarized in the table below); side/rear yards include special notes (e.g., minimum 5 ft side for main buildings; 10 ft side for 3+ stories in R‑H; garage-on-street requires 20 ft) .
  • Residential lot coverage: 40% for all residential lots except R‑M and R‑H, which allow 50% per §17.10.015 .
  • Nonconforming legal lots: Development and minor variances are allowed under §17.10.020 to avoid depriving substandard lots of typical privileges (with Director findings) .

Key Standards At‑a‑Glance

The following focuses on decision‑critical residential standards; always pair with the Official Zoning Map and the use table in §17.08.010.

Zone Minimum Lot Area Min. Width/Depth Typical Front Setback Lot Coverage Code Reference
A 5 acres — / — Not found in retrieved materials Not found Title 17 minimum lot area table; §17.12.030; §17.10.015
R-R See §17.06.010(C) — / — 25 ft 40% §17.06.010(C); §17.12.030; §17.10.015
R-E 9,600 sq ft 75 ft / 100 ft 25 ft 40% Title 17 minimum lot area table; §17.12.030; §17.10.015
R-L-1 7,800 sq ft 65 ft / 100 ft 25 ft 40% Same as above
R-L-1-72 7,200 sq ft 65 ft / 100 ft 20 ft 40% Same as above
R-L-2 6,000 sq ft 50 ft / 100 ft 20 ft 40% Same as above
R-M-L 7,800 sq ft 65 ft / 100 ft 15 ft 40% Same as above
R-M 10,000 sq ft 75 ft / 100 ft 15 ft 50% Same as above; §17.10.015 (R‑M)
R-H 15,000 sq ft 100 ft / 100 ft 15 ft (10 ft side for 3+ stories) 50% Same as above; §17.12.030 notes; §17.10.015 (R‑H)

Note: Commercial/industrial setback tables were not found in the retrieved materials. Verify with the jurisdiction.

Special Topic Highlights you’ll likely need

  • Cannabis businesses: Dispensaries are allowed only in C‑C, C‑G, and I‑G; other commercial cannabis uses (cultivation, manufacturing, testing, distribution) are allowed in C‑C, C‑G, I‑S, and I‑G; all with separation requirements (e.g., 600–1,000 ft from specified sensitive uses) and certification from the Planner before operations .
  • Nonconforming uses/lots/structures: May continue but are generally restricted from expansion; certain repairs or disaster reconstruction are allowed subject to limits and timelines; intensification can trigger upgrades (e.g., landscaping, screening, street improvements) .
  • Design review trigger areas: Within the D‑O overlay, exterior changes and new uses must obtain approval consistent with adopted design standards; see Blythe Design Review for process context and §17.06.062 for the trigger .
  • Setback measurement nuance: Front setbacks are from planned ROW lines, not the current curb, and never closer than 30 ft from centerline on city streets, which can affect usable yard depth on arterials/collectors .
  • ADUs/JADUs: Defined in §17.04 and shown as permitted in the updated use matrix; see the dedicated Blythe ADUs page for how state law integrates locally .

Checklist

  • Confirm the parcel’s base zone on the Official Zoning Map and whether any overlays (e.g., D‑O, C‑M‑O, HEO, Floodplain) apply (map adoption/filing in §§17.06.020–17.06.040) .
  • Verify the use is allowed in the zone per the §17.08.010 use table; if in an HEO site, check §17.08.020 eligibility (20% lower‑income units) .
  • Identify any overlay‑specific procedures (e.g., D‑O requires design review; C‑M‑O requires a CUP for commercial/manufacturing) .
  • Apply dimensional rules: minimum lot size, frontage, and depth; residential lot coverage; and setbacks per §§17.10.015, 17.12.010–.030 .
  • For substandard legal lots, check §17.10.020 for exemptions/minor variance pathway .
  • If proposing cannabis uses, confirm zone eligibility and separation distances in Chapter 17.63E and obtain planner certification before operations .
  • Confirm parking, landscaping/screening, signage, and any design review requirements via the relevant chapters and pages: Parking, Landscaping and Screening, Signage, Design Review.
  • If existing development is nonconforming, review Chapter 17.34 before altering or expanding; disaster rebuild allowances and upgrade triggers may apply .
  • Coordinate with the City on any floodplain constraints (Chapter 17.29) and on any plan‑level entitlements (e.g., P‑D CUP/specific plan) .

Risks & Ambiguities

Issue Why it matters What to verify
Setback measured from planned ROW, not existing curb Can reduce buildable front yard on wider planned streets Confirm centerline and future ROW line per §17.12.010 with Planning
R‑R density and animal‑keeping limits Rural lots often rely on septic/wells; wrong assumption leads to overbuilding Match utility status to the R‑R density tier; check animal distances/quantities in §17.06.010(C)
Overlay triggers (D‑O, C‑M‑O, HEO, Floodplain) Overlays can add design review, CUPs, or extra standards Check zoning map annotations and overlay chapters (§§17.06.060–.064; Ch. 17.62; §17.08.020; Ch. 17.29)
Commercial/industrial setback tables Missing from retrieved materials; can change site layout drastically Not found in retrieved materials—request current Title 17 tables from Planning
Use table specifics (C‑N/C‑C/C‑G details) Determines by‑right vs CUP; affects schedule/feasibility Use §17.08.010 matrix; recent updates noted in editor’s note
Cannabis separation distances Site may fail due to proximity to sensitive uses Measure property‑line to property‑line per §17.63E.050; apply zone eligibility in §§17.63E.030–.040
Nonconforming upgrades upon intensification Tenant improvements or expansions can trigger code upgrades See §17.34.055 for landscaping/screening/streets; disaster rebuild timing in §17.34.041

Plain-English Summary

Blythe assigns every property a zone that controls what you can build and the basic shape of development. Most houses sit in one of the R zones with clear front/side/rear setbacks and lot coverage caps; rural areas have special R‑R rules tied to utilities and animal keeping. Commercial and industrial parcels sit in C or I zones, sometimes with overlays that add review or allow transitional uses. Before designing anything, confirm your zone on the official map, check if any overlays apply, and then match your use and site plan to the allowed uses and the setback/lot size rules. When in doubt, ask Planning to interpret boundaries and standards.

Source References

  • Title and purpose; adoption of Title 17 and general provisions: §§17.02.010–17.02.040
  • Official Zoning Map adoption/filing/boundary rules: §§17.06.020–17.06.050; §17.06.030
  • Zones list excerpts (R‑R; Mobile Home Residential) and standards within R‑R: §17.06.010(C) (as excerpted)
  • Minimum lot areas/widths/depths by zone; Residential lot coverage; Lot size exemptions: Title 17 development standards table; §§17.10.015–17.10.020
  • Setback measurement and residential setbacks table: §§17.12.010–17.12.030
  • Planned Development district: §§17.36.090–17.36.110
  • D‑O Redevelopment Overlay: §§17.06.060–17.06.064
  • C‑M‑O Commercial Manufacturing Overlay: Chapter 17.62; §17.10.020(D) note on side yard variation in C‑M‑O
  • Housing Element Overlay (HEO): §17.08.020
  • Floodplain Management: Chapter 17.29 (selected sections)
  • Cannabis uses and siting rules: Chapter 17.63E (including §§17.63E.030–.060)
  • Transitional housing allowance in residential zones: §17.63D.010
  • Farmworker housing recognized as agricultural in A zone: §§17.63.010–.030
  • Nonconforming uses/lots/structures: Chapter 17.34 (including §§17.34.041, 17.34.055)
  • ADU definition and appearance in use table: §17.04 (definitions); §17.08.010 (matrix excerpt)

Sources

Retrieved passages

  • Blythe Zoning Code (§ 1) High relevance
  • Blythe Zoning Code (§ 3.02) High relevance
  • Blythe Zoning Code (Title 17) High relevance
  • Blythe Zoning Code (Title 17) High relevance
  • Blythe Zoning Code (title is) High relevance
  • Blythe Zoning Code (§ 6.01) High relevance
  • Blythe Zoning Code (§ 1) High relevance
  • Blythe Zoning Code (§ 2) Medium relevance

Cited sections

Frequently asked questions

What can I build on an R-1-type lot in Blythe (R-L-1, R-L-1-72, or R-L-2)?

These are Blythe’s low-density residential zones. Uses are set by the §17.08.010 use table (not fully retrieved here); front setbacks range from 25 ft (R‑L‑1) to 20 ft (R‑L‑1‑72 and R‑L‑2), with citywide residential lot coverage limited to 40% . Verify your exact designation on the Official Zoning Map and then apply the corresponding standards .

What are Blythe’s basic residential setback requirements?

Front setbacks vary by zone (25 ft in R‑R/R‑E/R‑L‑1; 20 ft in R‑L‑1‑72/R‑L‑2; 15 ft in R‑M‑L/R‑M/R‑H). Side yards are generally 5 ft for main buildings, with 10 ft minimum for three‑story buildings in R‑H; special notes address garages and alleys. See §17.12.030 for the full table and footnotes, and §17.12.010 for how to measure from planned rights‑of‑way .

Do I need design review in Blythe?

Only in certain areas. If your site is within the D‑O Redevelopment Overlay, new uses/exterior changes require approval by the Design Review Committee for consistency with adopted design standards per §17.06.062; otherwise, normal zoning applies. Check the zoning map for D‑O labeling and see the City’s design review procedures .

What is allowed in the C-M-O overlay?

The Commercial Manufacturing Overlay is intended to transition/infuse commercial/light industrial uses into primarily residential areas. Commercial/industrial uses require a CUP and must be compatible with residences; the underlying residential zoning still applies to homes. Certain side yard setbacks on nonconforming residential lots in C‑M‑O can be reduced to zero with findings under §17.10.020(D) .

Where can cannabis businesses locate in Blythe?

Dispensaries may be in C‑C, C‑G, and I‑G. Cultivation/manufacturing/testing/distribution may be in C‑C, C‑G, I‑S, and I‑G. All must meet separation distances (typically 600–1,000 ft from certain sensitive uses) and obtain a location certification from the Planner before operation (§§17.63E.030–.060) .

What if my lot is smaller than the zone normally requires?

Legal substandard lots can still be developed, and minor variances may adjust certain development regulations so the lot isn’t deprived of typical privileges, subject to findings in §17.10.020. Apply all other applicable standards, including setbacks and coverage .

Are ADUs allowed in single-family zones?

Yes. ADUs are defined in §17.04 and shown as permitted in the updated §17.08.010 use matrix (as retrieved). Refer to the City’s ADU page for process/state-law integration and then apply your base-zone setbacks/coverage unless specific ADU standards supersede .

How does the HEO (Housing Element Overlay) work?

On designated HEO sites, residential or mixed-use projects with ≥20% lower‑income units are permitted by right if they meet objective criteria in §17.08.020 and record long‑term affordability covenants. This overlay overrides conflicting code limits for qualifying projects .

Can I rebuild a nonconforming building after a disaster?

Yes, provided reconstruction costs do not exceed the structure’s fair market value at the time of damage, and you obtain a permit within two years and complete work within one year of permit issuance (§17.34.041). Other nonconforming rules also apply to expansions and signage .

How are front setbacks measured on wide streets?

They’re measured from the planned right‑of‑way line shown in the General Plan circulation system, not the current curbline; never closer than 30 ft from the street centerline for city streets (§17.12.010). This can make front yards deeper on major streets than they appear on the ground .

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