Local zoning · Arroyo Grande

Arroyo Grande — Zoning

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

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Last reviewed: July 3, 2026

Overview

Arroyo Grande’s zoning rules live in the city Development Code (commonly cited as Title 16 — Development Code) and divide the city into specific zones with use controls, site standards, and special overlays. The official zoning map is incorporated by reference and is kept on file with the Community Development Director; boundary rules and how to read the map are set out in the code. See the city’s rules on development standards for required setbacks, densities, and open‑space rules. § 16.04.010; § 16.24.020; § 16.24.030

Note: This page is focused only on what the Arroyo Grande ordinance says about zoning (districts, map rules, overlays, district standards). For parking, applications, and building-code requirements see the linked pages for parking, design review, overlay districts, ADUs, and the California Building Standards Code in the text below. § 16.36.030; § 16.32.050

How the code is organized (short)

  • The city creates the zoning districts in § 16.24.010 and incorporates the official Zoning Map by reference in § 16.24.020; rules for determining boundaries are in § 16.24.030. § 16.24.010; § 16.24.020; § 16.24.030
  • District chapters then set permitted uses (often via tables), and site development standards (notably Table 16.32.050‑A for single‑family zones). § 16.36.030; § 16.32.050
  • Special districts and overlays (planned developments, specific plans, design overlays like D‑2.20 and the Historic Character Overlay) are in Chapter 16.44. § 16.44.010–.030

District‑by‑district breakdown

Below are the principal zoning districts created in § 16.24.010. For each district I summarize the stated purpose, typical permitted uses (how they are shown in the code), key dimensional or intensity standards shown in the code, and where that district commonly applies (when the ordinance identifies locations). Always verify the official Zoning Map on file with the City. § 16.24.010; § 16.24.020

Note: district uses in many chapters are implemented by use tables (for example Table 16.28.030‑A for agricultural uses and Table 16.36.030(A) for commercial/mixed‑use). See those tables in the code for the full list of P / MUP / CUP designations. § 16.28.030; § 16.36.030

AG — General Agricultural

  • Purpose: Protect agricultural production and allow limited compatible residential uses; implements General Plan agricultural policies. § 16.28.010
  • Typical permitted uses: field crops, tree crops, grazing and farm dwellings permitted; other agricultural operations may require Minor Use Permit (MUP) or Conditional Use Permit (C). Table 16.28.030‑A lists specifics. § 16.28.030
  • Key standards: single‑family detached dwellings allowed at low density (example: up to 1.0 DU per 10 gross acres noted in the AG description). § 16.28.020
  • Where applied: lands mapped as agricultural on the official zoning map. § 16.24.020

AP — Agricultural Preserve

  • Purpose/uses: Similar to AG but with preserve‑level restrictions (see Table 16.28.030‑A for permitted uses and required approvals). § 16.28.030

RE — Residential Estate

  • Purpose: Very low density residential or estate lots. § 16.32.050 (residential standards)
  • Key dimensional standards (Table 16.32.050‑A): Maximum density 0.4 du/acre; Minimum building site ~92,500 sq ft; Minimum front yard 50 ft. § 16.32.050

RH — Residential Hillside

  • Purpose: Manage development on hillside areas with larger lot requirements. § 16.32.050
  • Key standards: Maximum density 0.67 du/acre; Minimum building site ~49,000 sq ft; Front yard 35 ft. § 16.32.050

RR — Rural Residential

  • Purpose: Low‑density rural residential. § 16.32.050
  • Key standards: Maximum density 1.0 du/acre; Minimum building site ~40,000 sq ft; Front yard 35 ft. § 16.32.050

RS — Residential Suburban

  • Purpose: Larger suburban lots but denser than rural/estate. § 16.32.050
  • Key standards: Maximum density 2.5 du/acre; Minimum building site 12,000 sq ft (may be reduced with open‑space dedication provisions); Front yard 25 ft. § 16.32.050

SF — Single‑Family Residential (also shown as SF)

  • Purpose: Typical single‑family neighborhoods. § 16.32.050
  • Key standards: Maximum density 4.5 du/acre; Minimum building site 7,200 sq ft; Front yard 20 ft. Table 16.32.050‑A. § 16.32.050

VR — Village Residential

  • Purpose: Infill/village residential with smaller lots and shorter setbacks. § 16.32.050
  • Key standards: Maximum density 4.5 du/acre; Minimum lot ~6,750 sq ft; Front yard 15 ft. § 16.32.050

MF / MFA / MFVH — Multifamily (Condo/Townhouse / Apartment / Very‑High)

  • Purpose: Permit medium to higher density housing types; specific site standards, parking and design review triggers apply in code chapters. See Table/standards under Chapter 16.32. § 16.32.050
  • Typical controls: density limits, minimum lot area per unit, and parking per unit (see the development standards chapter). § 16.32.050

MHP — Mobilehome Park

  • Purpose: Regulate mobilehome parks as a discrete district. Codes list specific standards in the mobilehome park district chapter. § 16.32.050

Commercial & Mixed‑Use districts (Chapter 16.36)

The code defines a number of commercial/mixed‑use districts in § 16.24.010; permitted uses are tabulated in Table 16.36.030(A) and the chapter includes rules for commercial/mixed use development (including the rule that all new commercial buildings or third‑story components require a Conditional Use Permit). § 16.24.010; § 16.36.030

  • IMU — Industrial Mixed Use: Industrial/manufacturing with compatible commercial uses (uses listed in Table 16.36.030(A)). § 16.36.030
  • VCD — Village Core Downtown: Pedestrian‑oriented downtown core; shopfront rules and pedestrian standards apply. § 16.36.030
  • VMU — Village Mixed Use: Smaller mixed‑use village areas. § 16.36.030
  • TMU — Traffic Way Mixed Use: Mixed‑use along traffic corridors; development standards address frontage and parking. § 16.36.030
  • GMU — Gateway Mixed Use: Gateway corridors and auto‑oriented mixed uses. § 16.36.030
  • FOMU — Fair Oaks Mixed Use: Specific neighborhood mixed use zone. § 16.36.030
  • HMU — Highway Mixed Use: Highway‑oriented larger scale mixed/commercial uses. § 16.36.030
  • OMU — Office Mixed Use: Office‑oriented mixed‑use; note the OMU area that contains a Medical Mixed Use design overlay (OMU‑D‑2.20) which requires a minimum share of office use for hospital compatibility. § 16.36.030; Ch. 16.44 (D‑2.20)
  • RC — Regional Commercial: Larger regional retail centers; sign, parking and screening rules apply to support large retail uses. § 16.36.030

Historic Character Overlay (HCO / D‑2.4)

  • Purpose: Protect and manage historic character in designated areas. The code indicates an architectural review requirement within the Historic Character Overlay and ties review to the permit approval process. § 16.32.050(F)(1); Ch. 16.44

Planned Development (PD) and Specific Plan (SP) districts

  • PD: PD districts provide flexible, project‑specific standards for existing planned developments of record. No new PDs after the code’s effective date; existing PDs are managed under Chapter 16.44. § 16.44.010
  • SP: Specific Plan (SP) districts are created where a formal Specific Plan has been adopted; SP districts are labeled “SP‑#” on the zoning map and require a zone change when created. § 16.44.030

Design Development Overlays (examples)

  • The code contains multiple Design Development Overlay districts (D overlays). The Medical Mixed Use overlay (OMU‑D‑2.20) is applied to hospital‑adjacent parcels and requires that 75% of the net building site be office use (with limited deviations), and restricts taller components adjacent to residential areas. See the OMU‑D‑2.20 description for parcel APNs and specific site criteria. Ch. 16.44 (D‑2.20)

Quick reference table — key residential site standards (decision‑relevant)

District (code) Max density (DU/acre) Min building site (new subdivision) Min front yard Code Reference
RE 0.4 92,500 sq ft 50 ft § 16.32.050 (Table 16.32.050‑A)
RH 0.67 49,000 sq ft 35 ft § 16.32.050
RR 1.0 40,000 sq ft 35 ft § 16.32.050
RS 2.5 12,000 sq ft 25 ft § 16.32.050
SF 4.5 7,200 sq ft 20 ft § 16.32.050
VR 4.5 6,750 sq ft 15 ft § 16.32.050

Commercial/mixed‑use permitted uses are tabulated in Table 16.36.030(A); new commercial buildings or third‑story components require a Conditional Use Permit per the commercial chapter. § 16.36.030

Practical Guidance / Synthesis (plain-English interpretation)

  • Always start with the official zoning map on file at the Community Development Department; the code treats that map as the legal map and gives the Community Development Director the authority to interpret boundaries when lines fall within lots. § 16.24.020; § 16.24.030
  • If your parcel is inside a named overlay (for example OMU‑D‑2.20 or HCO/D‑2.4) additional overlay standards or design review requirements can apply and may supersede or augment the underlying zone rules—read the overlay description carefully. Ch. 16.44
  • Permitted uses are not “one size fits all”: for agriculture, commercial, and mixed‑use zones the code uses use tables (P / MUP / CUP) — consult Table 16.28.030‑A or 16.36.030(A) for the precise permission status. § 16.28.030; § 16.36.030
  • Site design matters: setbacks, lot area, building height limits and landscape/screening rules are codified (see Table 16.32.050‑A and related development chapters). For projects that attempt additional density or modifications, the code includes procedures for density bonuses and concessions that follow state law. § 16.32.050; Ch. 16.82
  • Design review, architectural review, and discretionary permits can be triggered by overlays, historic character areas, or by specific permit triggers (e.g., new commercial buildings/third stories); check the design review rules and the applicable overlay chapter. § 16.32.050(F)(1); § 16.36.030

Links to related city pages you will likely need during a project:

Checklist

  • Confirm the parcel’s zoning district on the official zoning map kept by the City (map is incorporated by reference). § 16.24.020
  • Review the district’s permitted uses in the applicable table (e.g., agricultural uses Table 16.28.030‑A; commercial uses Table 16.36.030(A)). § 16.28.030; § 16.36.030
  • Check site development standards (setbacks, density, min lot size) — use Table 16.32.050‑A for single‑family/residential standards. § 16.32.050
  • Determine whether overlays or special districts apply to the parcel (PD, SP, D overlays, Historic Character Overlay) and read those provisions. Ch. 16.44
  • Confirm whether the project triggers design or architectural review (HCO or overlay rules) or requires a CUP for third stories/new commercial buildings. § 16.32.050(F)(1); § 16.36.030
  • Verify parking, landscaping and screening requirements and any water‑efficient landscape rules that apply. Ch. 16.84; commercial/mixed‑use chapters. § 16.84.010
  • If proposing two units (ADU/second unit), check the code’s objective standards for two‑unit residential development to ensure compliance with state law and local objective standards. § 16.32.050(G)
  • If you need a zone change, specific plan, or PD amendment, follow the application and notice procedures in Title 16. § 16.44.030; § 16.16.x (permit procedures—see code)

Risks & Ambiguities

Issue Why it matters What to verify
Zoning boundary bisects the lot Different rules apply to each portion of the lot; setbacks and permitted uses may differ across the parcel Confirm the legal boundary interpretation with the Community Development Director (rules in § 16.24.030) and request a staff boundary determination. § 16.24.030
Overlay standards superseding underlying zone (e.g., OMU‑D‑2.20) Overlays can impose unique use percentages, height transitions, or special site criteria (OMU‑D‑2.20 requires 75% office on the net building site). Failure to follow overlay rules can block approval. Read the overlay text carefully (Ch. 16.44) and verify whether deviations are allowed by City Council. Ch. 16.44; OMU‑D‑2.20 description.
Discretionary triggers (CUP / MUP / Design Review) Some uses that are “permitted” in a table may still require discretionary approvals (or be prohibited in pedestrian storefront areas). § 16.36.030 flags many commercial permit triggers. Check the relevant use table and any footnotes; confirm whether the project will require a CUP or Minor Use Permit. § 16.36.030
ADU / two‑unit objective standards vs local design rules State law allows ADUs; the City’s objective standards for two‑unit projects must not preclude these units but can impose objective standards (see local two‑unit standards). § 16.32.050(G) clarifies local objective standards. Confirm the ADU proposal meets both state law and the City’s objective requirements; consult the ADU page and the code. § 16.32.050(G)
Parking and landscaping details not obvious on use tables Use tables show use permissions but parking ratios and landscape screening are in separate chapters and can change project feasibility. Verify parking and landscape requirements in the City’s parking and landscape chapters and the Water Efficient Landscape chapter (Ch. 16.84). § 16.84.010
Nonconforming uses / lot legal status not located in retrieved snippets Nonconforming provisions determine whether existing uses/structures may continue or be rebuilt after damage. Not addressed in the materials returned here. Not found in retrieved materials — verify the nonconforming uses chapter with Community Development. Verify with the jurisdiction.

Plain‑English Summary

Arroyo Grande’s Title 16 divides the city into named zones (e.g., AG, SF, VMU, OMU) and overlays; each zone has permitted uses (often shown in use tables) and site standards (setbacks, minimum lot sizes, and densities, e.g., SF lots commonly require 7,200 sq ft and a 20 ft front setback). Overlay districts and design overlays can add special rules (for example OMU‑D‑2.20 requires a high share of office uses near the hospital). Always start by checking the official zoning map and the specific code sections referenced. § 16.24.010; § 16.32.050; Ch. 16.44

Source References

  • Arroyo Grande Development Code (Title 16) — general title and purpose: § 16.04.010 and applicability § 16.04.040.
  • Zoning districts created and listed: § 16.24.010 (district list), § 16.24.020 (zoning map adoption), § 16.24.030 (district boundary rules).
  • Agricultural districts: § 16.28.010 – § 16.28.030 (purpose, district list and use table 16.28.030‑A).
  • Residential site development standards (Table 16.32.050‑A): § 16.32.050 (setbacks, densities, lot sizes).
  • Commercial & Mixed Use districts and use table: § 16.36.010; § 16.36.030 (purpose and Table 16.36.030(A) uses; CUP trigger for new commercial buildings/third stories).
  • Special / Overlay districts: Chapter 16.44 (Planned Development PD, Specific Plan SP, and Design Development overlays including OMU‑D‑2.20). § 16.44.010; § 16.44.030; D‑2.20 description.
  • Objective standards for two‑unit residential development (local standards to comply with Government Code § 65852.21): § 16.32.050(G).
  • Water Efficient Landscape and related landscape rules: Chapter 16.84 (Model Water Efficient Landscape Ordinance adoption). § 16.84.010.

Primary source base: library.municode.com (Arroyo Grande Development Code — Title 16) — code excerpts retrieved via the city code repository.

Sources

Retrieved passages

  • Arroyo Grande Zoning Code (Section 16.48.065) High relevance
  • Arroyo Grande Zoning Code (Section 16.16.040) High relevance
  • Arroyo Grande Zoning Code High relevance
  • Arroyo Grande Zoning Code High relevance
  • Arroyo Grande Zoning Code (Section 65852.21) High relevance
  • Arroyo Grande Zoning Code (§ 3) High relevance
  • Arroyo Grande Zoning Code (section shall) High relevance
  • Arroyo Grande Zoning Code (chapter are) High relevance

Cited sections

Frequently asked questions

What can I build on an R‑1 lot in Arroyo Grande?

Arroyo Grande labels its single‑family district as SF (Single‑Family); permitted uses and accessory uses follow the residential chapter and the use tables. Typical single‑family standards (density, minimum lot, setbacks) are shown in Table 16.32.050‑A — for example SF shows 4.5 du/acre, min lot ~7,200 sq ft, 20 ft front setback. Confirm the parcel’s exact zoning on the official map and check the applicable use table for accessory uses. § 16.32.050; § 16.24.020

What are Arroyo Grande setback requirements?

Setbacks are codified in the residential site development standards table (Table 16.32.050‑A). Single‑family front setbacks typically 20 ft in SF; other residential districts have larger front setback requirements (e.g., RE 50 ft, RH 35 ft). Always cite the table for your district. § 16.32.050

How do I find my property’s zoning on the official map?

The code incorporates the official zoning map by reference and requires the City to keep the current map on file with the Community Development Director; consult that office or the official map on file to confirm the parcel designation. § 16.24.020

Do overlays change permitted uses or standards?

Yes. Design overlays and special overlays (for example OMU‑D‑2.20 or the Historic Character Overlay) add district‑specific restrictions or requirements — they can impose use percentages, special height transitions, and design review triggers. Read the overlay text in Chapter 16.44 for exact rules. Ch. 16.44

Will a third story on a new commercial building be automatically allowed?

No. The commercial chapter indicates that all new commercial buildings or third‑story components require a Conditional Use Permit, which is a discretionary approval subject to findings. Check § 16.36.030 for permit triggers and table footnotes. § 16.36.030

Are there special rules near Arroyo Grande Hospital?

Yes. Parcels in the OMU‑D‑2.20 (Medical Mixed Use) overlay have a stated objective and site criteria, including a minimum 75% of the net building site devoted to office use (with limited deviation allowed by council) and specific height/transition rules adjacent to residential uses. See the overlay description in Chapter 16.44. Ch. 16.44 (OMU‑D‑2.20)

Do I need design or architectural review for work in a Historic Character Overlay?

The code requires architectural review in the Historic Character Overlay (D‑2.4 / HCO) and ties that review to the permit process (conditional use, planned unit development, minor use permit). Check § 16.32.050(F)(1) and related design review procedures. § 16.32.050(F)(1); Ch. 16.16/16.44

Where are commercial/mixed‑use permitted uses listed?

Commercial and mixed‑use permitted uses are listed in Table 16.36.030(A); the table uses codes like P (permitted), MUP (minor use permit), and CUP (conditional use permit). See § 16.36.030 for the table and the permit rules. § 16.36.030

What specific objective standards apply if I want to build two units on a single lot?

Arroyo Grande includes an objective standards section for two‑unit residential developments (to implement state law). It spells out massing, unit size/FAR limits, building separation (10 ft for detached units), a reduced height for units within setbacks (16 ft) and other objective design/materials/parking rules. See § 16.32.050(G). § 16.32.050(G)

If the zoning map divides a lot, which rules apply?

The code says when a lot is divided by a zoning boundary, regulations applicable to each district apply to each portion located inside that district; and when a boundary is ambiguous the Community Development Director uses the map scale to determine location. See § 16.24.030. § 16.24.030

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