Local zoning · Dorris
Dorris — Land Use
Land Use under the Dorris local zoning and planning code, with the controlling citations.
Last reviewed: July 3, 2026
Overview
This page summarizes what the Dorris zoning ordinance allows and requires for land use across the city's zoning districts: what uses are permitted, accessory, or conditional, and the district-level development standards (setbacks, height, lot coverage). Consult the city's rules on development standards and parking early in project design; residential accessory units are addressed under the city's ADU rules. Where a proposal may trigger design review, meet the design review requirements and check any overlay districts that apply. For structure-level compliance, the city defers to the California Building Standards Code.
All citations below point to the local zoning ordinance text; every requirement listed is grounded in the Dorris code by the cited § and the file search result that contains it.
District-by-district breakdown
Note: In each district the ordinance repeatedly frames permitted uses as "subject to issuance of a building permit, business license, and/or other required permit(s)." Where the ordinance allows "uses similar" the city council has discretion — verify with the planning department. Verify parcel-specific rules and overlays before assuming a use is allowed.
R-1 (Low Density Residential)
Purpose and typical application: Low-density single-family areas. See § 18.20.010 .
Permitted uses (high-level): single-family residential, farmworker housing, residential care homes, small employee housing, supportive and transitional housing — see § 18.20.020 .
Accessory uses: ADUs / JADUs (see Chapter 18.104), cottage food operations, family childcare homes, home occupations, second dwelling units, short-term rentals, signs, and ordinary fences/structures — see § 18.20.030 .
Conditional uses: parks, places of worship, schools, public/quasi-public facilities and similar uses require a conditional-use permit per § 18.20.040 .
Key dimensional standards: minimum lot 6,000 sq ft, minimum width 50 ft, front setback 20 ft, max height 35 ft, residential lot coverage 35% — see § 18.20.050–060 .
Where it applies: typical single-family neighborhoods — Confirm specific parcels on the zoning map. Verify with the jurisdiction.
R-2 (Medium Density Residential)
Purpose: Medium-density residential, allowing duplexes and small multi-unit forms. See § 18.24.010 .
Permitted uses: duplexes, single-family, farmworker and employee housing, residential care homes, supportive/transitional housing — see § 18.24.020 .
Accessory uses: ADUs/JADUs, cottage food, family childcare, home occupations, second units, short-term rentals, signs — see § 18.24.030 .
Conditional uses: listed in § 18.24.040 (e.g., some institutional and community uses) — see ordinance for full list .
Key dimensional standards: minimum parcel 7,000 sq ft, width 60 ft, front setback 20 ft, max height 45 ft, max lot coverage 75% (varies by use) — see § 18.24.050–060 .
M-U (Mixed Use)
Purpose: Mix of residential and commercial along collectors; supports vertical and horizontal mixed uses. See § 18.32.010 .
Permitted uses (broad): commercial services (banks, stores, clinics), live/work, multifamily and single-family, dormitories, retail, food production (with some activities requiring a use permit), media production, personal services, and mixed-use projects — see § 18.32.020 .
Accessory uses: ADUs/JADUs, farmers’ markets, cottage food, home occupations, mobile food sales, short-term rentals, signs, temporary outdoor sales — see § 18.32.030 .
Conditional uses: more intensive uses (animal hospitals, drive-throughs, hotels, event centers, hospitals, large entertainment, mobile food commissaries) require a conditional-use permit — see § 18.32.040 .
Key dimensional standards: minimum lot 2,500 sq ft, width 25 ft, front setback: none for nonresidential/mixed-use, 10 ft for residential; heights up to 45 ft; lot coverage up to 75% — see § 18.32.050–060 .
C-1 (Community Commercial)
Purpose: Neighborhood- and community-serving commercial uses compatible with adjacent residences. See § 18.36.010 .
Permitted uses: retail, animal grooming, artist studios, banks, bed & breakfasts, offices, community gardens, convenience stores, grocery, clinics, fitness, live/work, etc. See § 18.36.020 for full list .
Accessory uses: ADUs/JADUs, farmers’ markets, cottage food, home occupations, mobile food, signs — see § 18.36.030 .
Development standards: minimum parcel 2,500 sq ft, widths from 25 ft, heights typically 45 ft, setbacks vary by use (see § 18.36.050–060) .
C-2 (General Commercial)
Purpose: Higher-intensity commercial corridor uses (e.g., along US 97). See § 18.40.010 .
Permitted uses: broad commercial including automobile service stations, banks, offices, retail, clinics; see § 18.40.020 .
Development standards: larger front setbacks (often 30 ft), max height 50 ft for many uses, lot coverage 75%, side/rear setback rules depend on adjacent district — see § 18.40.050–060 .
M (Manufacturing)
Purpose: Heavier commercial and light industrial uses acceptable where not detrimental by odor, smoke, dust, vibration, fire/explosion hazards. See § 17.44.010 .
Permitted uses (examples): agricultural processing, animal boarding/veterinary, artisan crafts, building material yards, business offices, craft food/beverage production, equipment sales, garden centers, printing, storage, wholesale — see § 17.44.020 .
Conditional uses: automobile sales/service, concrete batching, recycling, fuel storage, heavy fabrication, off-site parking, food manufacturing, etc., require conditional use approval — see § 17.44.040 .
Lot & development standards: minimum parcel 7,500 sq ft, width 50 ft, depth 100 ft; other standards in § 17.44.050–060 .
O-S (Open Space)
Purpose: Parks, natural resource protection, public recreational uses. See § 18.48.010 .
Permitted uses: parks, resource-related recreation, public/quasi-public facilities, utilities — see § 18.48.020 .
Conditional uses: cemeteries, concession facilities, outdoor commercial recreation, wastewater plants (conditional) — see § 18.48.040 .
Standards: heights 35 ft, lot coverage up to 100% in some contexts, setbacks vary by adjacent district — see § 18.48.050–060 .
P-A (Public Agency)
Purpose: Public lands for schools, government offices, utilities and similar public/quasi-public uses. See § 18.52.010 .
Permitted uses: health clinics, hospitals, parks, public schools, public utilities, public/quasi-public facilities, residential care for the elderly — see § 18.52.020 .
Accessory and conditional uses: certified farmers’ markets, mobile food, special events; wastewater treatment may be conditional — see § 18.52.030–040 .
Standards: broad (often no minimum parcel size), heights up to 70 ft for many uses, setbacks vary by adjacency — see § 18.52.050–060 .
P-D (Planned Development) and RPD (Residential Planned Development)
Purpose: Flexible, master-planned developments allowing mix of uses and alternative standards when approved as a development plan. See § 18.56.010 (P-D) and § 18.60.010–070 (RPD) .
Permitted uses: The P‑D allows typical residential uses (single-family, supportive housing, farmworker housing) as permitted by § 18.56.020; the RPD contains a detailed table showing which residential and nonresidential uses are P/C/N across R-L, R-M, R-H subzones — see § 18.60.050 and the use table .
Standards: RPD sets minimum lots, setbacks, heights and lot coverage by subzone (e.g., R‑L front setback 20 ft, interior side 5 ft, max height 35 ft; R‑H allows up to 45 ft and up to 75% coverage) — see § 18.60.060 and associated tables .
Practical note: P‑D/RPD is the route to negotiate alternative standards and mixed-use configurations; pre-application meetings are encouraged per § 18.60.070 .
Quick reference table — key standards by district
| District | Min lot size / width | Front setback | Max height | Lot coverage | Code reference |
|---|---|---|---|---|---|
| R-1 | 6,000 sq ft / 50 ft | 20 ft | 35 ft | 35% (res.) | § 18.20.050–060 |
| R-2 | 7,000 sq ft / 60 ft | 20 ft | 45 ft | 75% | § 18.24.050–060 |
| M-U | 2,500 sq ft / 25 ft | none for nonresidential; 10 ft for residential | 45 ft | 75% | § 18.32.050–060 |
| C-1 | 2,500 sq ft / 25 ft | varies (often none for nonresidential) | 45 ft | 75% | § 18.36.050–060 |
| C-2 | Varied (corridor) | often 30 ft | 50 ft (varies) | 75% | § 18.40.050–060 |
| M | 7,500 sq ft / 50 ft | varies | varies | varies | § 17.44.050–060 |
| O-S | none | varies | 35 ft | up to 100% | § 18.48.050–060 |
| P-A | none | varies | up to 70 ft | 100% in some cases | § 18.52.050–060 |
(Use-specific exceptions and accessory use rules are in each district chapter; parking is handled by Chapter 18.68 as referenced in each district chapter.) See the cited sections for full lists of permitted, accessory, and conditional uses. Multiple districts include the phrase allowing "other uses similar to those listed" — verify with staff. See examples in § 18.36.020 and § 17.44.020 .
Checklist
- Confirm the parcel's zoning district on the Dorris zoning map and identify any overlays (verify with the city).
- Confirm whether the proposed activity is a Permitted (P), Accessory, or Conditional (C) use in that zone (see the district chapter; e.g., § 18.20.020 for R‑1) .
- Meet minimum lot dimensions and setbacks in the applicable district chapter (e.g., § 18.24.050–060 for R‑2) .
- Calculate parking per Chapter 18.68 (off-street parking) as required by the district (district chapters reference Chapter 18.68) .
- If accessory dwelling units are proposed, comply with Chapter 18.104 (ADUs) and state ADU law as applicable — see § 18.24.030, § 18.20.030 references to ADUs .
- If the use is conditional or requires deviations (variances or height exceptions), prepare a CUP or variance application per the applicable chapter(s) (see each district's "Conditional uses" section) — e.g., § 17.44.040 for Manufacturing CUPs .
- Check whether project triggers design review or Planned Development processing (P‑D / RPD) and schedule pre-application meeting if recommended (see § 18.56.010, § 18.60.070) .
- Obtain required permits: building permit, business license, CUP/variances as necessary; confirm any special permits for mobile food, short-term rental, or special uses (chapters called out inside district sections) (multiple district sections reference required permits) .
Risks & Ambiguities
| Issue | Why it matters | What to verify |
|---|---|---|
| "Uses similar to those listed" language (council discretion) | Many district permitted-use lists include "or uses which in the opinion of the city council are similar" — this creates discretionary review even for uses that appear close to typical categories | Confirm with planning staff whether your use qualifies as "similar" or will require CUP; cite the district chapter (e.g., § 18.36.020) |
| Parking requirements not spelled out in district chapters | District chapters reference off-street parking in Chapter 18.68 rather than listing numbers; parking can control feasibility | Pull the specific parking ratios in Chapter 18.68 and confirm required parking reductions or shared parking options; districts repeatedly point to Chapter 18.68 |
| Overlay or map‑level exceptions | Overlays or specific site designations could alter allowed uses or standards | Check the official zoning map and any overlay chapters (not fully present in retrieved materials); verify with the jurisdiction |
| Conflicting chapter numbering (17.x vs 18.x) | Some manufacturing chapters use 17.44 while others use 18.xx conventions in the same document export — could cause confusion when citing | Use the ordinance text the city publishes; confirm exact code section numbers with planning staff (example: § 17.44.020 for M uses in retrieved file) |
| Height exceptions and special permits | Many chapters permit taller buildings via Section 18.84.190 or other exception mechanisms | If you need a taller structure, verify process under § 18.84.190 and whether the project must go to council or planning commission (see references in multiple chapters) |
| Parcel-specific applicability (e.g., lot coverage vs historic constraints) | Historic overlays or special site constraints may further limit or require design controls | Check Historic Preservation page and overlay chapters; verify if property sits in overlay; see Dorris Historic Preservation and overlay resources |
Plain-English summary
Dorris's zoning code organizes the city into districts (R‑1, R‑2, M‑U, C‑1, C‑2, M, O‑S, P‑A, P‑D/RPD). Each district chapter lists what you can do outright, what you can do as an accessory to a main use, and what needs a conditional-use permit; it also gives the lot size, setback, height, and lot‑coverage rules you must meet (see the district §§ cited above). Before you design a project, confirm your parcel's zone, check parking rules (Chapter 18.68), and plan for any CUP or design review the district or overlays may trigger. Verify any ambiguous "similar uses" decision with planning staff. See the code chapters cited above for authoritative rules.
Source References
- Dorris zoning ordinance excerpts (district chapters referenced above): § 18.20.010–060 (R‑1)
- § 18.24.010–060 (R‑2)
- § 18.32.010–060 (M‑U)
- § 18.36.010–060 (C‑1)
- § 18.40.010–060 (C‑2)
- § 17.44.010–070 (Manufacturing M)
- § 18.48.010–060 (O‑S)
- § 18.52.010–060 (P‑A)
- § 18.56.010–070 (P‑D)
- § 18.60.050–070 (RPD planned development tables & standards)
- References in district chapters to off-street parking: Chapter 18.68 (see district chapters that reference it)
- Cross-referenced accessory dwelling unit rules: Chapter 18.104 (ADUs) — referenced in multiple district chapters
(If you need direct links to the full, unabridged municipal code PDF or map, notify me and I will help locate the official city-hosted ordinance text and zoning map; verify any parcel-level questions with Dorris planning staff.)
Sources
Retrieved passages
- Dorris Zoning Code (Chapter 18.100) High relevance
- CBC § 18.84.130 (Chapter 18.100) High relevance
- CBC § 18.84.190 (Section 18.84.190) High relevance
- CBC § 18.84.040 (Section 18.84.040) High relevance
- CBC § 18.84.190 (Chapter 18.68) High relevance
- Dorris Zoning Code (section may) High relevance
- CBC § 18.84.190 (Section 18.84.190) High relevance
Cited sections
- Dorris zoning ordinance excerpts (district chapters referenced above): **§ 18.20.010–060** (R‑1) (§ 18.20.010)
- **§ 18.24.010–060** (R‑2) (§ 18.24.010)
- **§ 18.32.010–060** (M‑U) (§ 18.32.010)
- **§ 18.36.010–060** (C‑1) (§ 18.36.010)
- **§ 18.40.010–060** (C‑2) (§ 18.40.010)
- **§ 17.44.010–070** (Manufacturing M) (§ 17.44.010)
- **§ 18.48.010–060** (O‑S) (§ 18.48.010)
- **§ 18.52.010–060** (P‑A) (§ 18.52.010)
- **§ 18.56.010–070** (P‑D) (§ 18.56.010)
- **§ 18.60.050–070** (RPD planned development tables & standards) (§ 18.60.050)
- References in district chapters to off-street parking: **Chapter 18.68** (see district chapters that reference it) (Chapter 18.68)
- Cross-referenced accessory dwelling unit rules: **Chapter 18.104** (ADUs) — referenced in multiple district chapters (Chapter 18.104)
- Dorris_ZoningCode.md
Frequently asked questions
What can I build on an R-1 lot in Dorris?
On R‑1 lots the code allows single‑family residential, farmworker housing, residential care homes, small employee housing, supportive and transitional housing as principal uses; accessory units and certain home-based operations are allowed; parks, schools, and places of worship require a conditional‑use permit. See § 18.20.020–040 .
What are the Dorris setback requirements for residential zones?
Setbacks vary by zone: for R‑1 the front setback is 20 ft, rear 10 ft (accessory 5 ft), interior side 5 ft, exterior side 15 ft; R‑2 front is 20 ft with larger interior side setbacks; mixed‑use and commercial districts often allow no front setback for nonresidential uses — see § 18.20.060, § 18.24.060, § 18.32.060 .
Do I need a conditional use permit to operate a restaurant in Dorris?
It depends on the district and the intensity. Many districts (e.g., M‑U, C‑1, C‑2) list retail food establishments or retail food as permitted uses, but certain food production or alcohol-related activities may require a use permit. Check the applicable district's permitted uses and the conditional‑use list for your zone (see § 18.32.020–040 and § 18.36.020–040) .
Are accessory dwelling units (ADUs) allowed in Dorris?
Yes. Multiple residential districts explicitly allow accessory dwelling units and junior ADUs pursuant to Chapter 18.104; ADU rules are referenced as accessory uses in R‑1, R‑2, M‑U, C‑1, etc. See § 18.20.030, § 18.24.030, § 18.32.030 .
Where do I find Dorris parking requirements for a commercial project?
Each district directs applicants to Chapter 18.68 (Off‑Street Parking) for minimum parking requirements; district chapters do not list ratios inline but require compliance with Chapter 18.68 — see district development standards (example § 18.36.060, § 18.32.060) .
Can industrial uses go in the M (Manufacturing) district near residences?
The M district is intended for heavier commercial and manufacturing uses but limits activities that are detrimental by odor, smoke, dust, vibration, or explosion hazards; some industrial uses will be conditional or prohibited depending on impacts — see § 17.44.010–040 for permitted vs. conditional uses and operational constraints .
What is a P‑D or RPD and when should I use that process?
A P‑D (Planned Development) and RPD (Residential Planned Development) are processes that permit flexible, master‑planned developments and negotiated standards (mix of uses and alternative setbacks/coverage). Use P‑D/RPD when proposing mixed‑use developments, master subdivisions, or deviations from standard district rules; see § 18.56.010 and § 18.60.010–070 .
How do I know if my proposed use is “similar” enough to a listed permitted use?
The ordinance repeatedly allows "uses similar to those listed" subject to the city council's opinion in each district chapter. That creates discretionary review; you must consult planning staff early to determine if your use will be administratively allowed, will need a ministerial permit, or requires a CUP. See example language in § 18.36.020 and other district chapters .
Are there specific rules for mobile food or farmers' markets?
Mobile food sales and certified farmers' markets are referenced as accessory uses across multiple districts and are governed by a dedicated mobile‑food and market chapter (mobile food sales chapter cited in district sections). See accessory use lists (e.g., § 18.32.030, § 18.48.030) and the referenced mobile‑food chapter in the code .
Who interprets ambiguous code provisions or parcel-specific exceptions?
The planning department and ultimately the city council (or planning commission where applicable) interpret ambiguous provisions — e.g., similar‑use determinations, height exceptions under § 18.84.190, or overlay requirements. For parcel-specific questions, contact Dorris planning; the code encourages pre‑application meetings in the P‑D/RPD process (§ 18.60.070) .
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