Aliso Viejo — Land Use

Last reviewed: July 3, 2026

Overview

This page explains what the Aliso Viejo zoning code (AVMC Title 15) actually requires about land use: which uses are allowed where, how the city treats unlisted or conditional uses, and which local rules an applicant must check before proposing a use. For exact permitted‑use tables and administrative procedures, the primary sources are the residential and nonresidential permitted‑use tables and the discretionary‑permit rules in AVMC. See the city's zoning & planning overview for context and use the local zoning map to confirm the base district on a parcel (§ 15.06.020) .

Note: This page stays strictly within the Aliso Viejo zoning code (AVMC Title 15) — it does not cover state housing law details or the building code except where the zoning code cross‑references them. Where the code requires a reference to technical building standards it directs applicants to the California Building Standards Code (§ 15.22.220) .

How the code organizes land use

• Base districts are the primary zoning designations (examples: RL, RM, RH, RVH, CT, CC, CN, BP‑1, BP‑2, PO, CF, OR, OS). Specific plan areas (e.g., SP‑1 Vantis, SP‑2 The Commons, SP‑3 Glenwood, SP‑4 Ventana Ridge) and overlay districts (for example CZ) are described in the code and shown on the official zoning map (§ 15.06.020; § 15.06.040) .
• Each district has (1) a purpose statement, (2) a permitted/conditional use table, and (3) development standards. See the district chapters and their tables: the residential permitted uses are in § 15.10.020 (Table 15.10.020) ; nonresidential permitted uses are in § 15.18.020 (Table 15.18.020) ; special purpose districts use § 15.26.020 (Table 15.26.020) . If a proposed use is not listed the director can classify it under § 15.06.050 (unlisted uses) .

Below is a district‑by‑district practical breakdown (purpose, typical permitted uses, where to find dimensional controls). Where numeric dimensional standards were not present in the retrieved excerpts, I flag that as Not found in retrieved materials and point to the section where those numbers live.

RL — Low Density Residential

• Purpose: Provide for detached single‑family neighborhoods and low intensity residential uses (see Table 15.10.020) (§ 15.10.020) .
• Typical permitted uses: single‑family detached dwellings (P), accessory uses such as garages and home occupations where allowed; some care facilities and limited accessory housing types as shown in Table 15.10.020 (§ 15.10.020) .
• Key dimensional standards: Numeric residential development standards are maintained in § 15.10.030 (residential development standards) — specific setback/height/coverage numbers: Not found in retrieved materials in the excerpts; see § 15.10.030 for the authoritative numbers .
• Where it applies: Parcels mapped RL on the Official Zoning Map; verify with § 15.06.020 for the map record .

RM — Medium Density Residential

• Purpose: Moderate‑scale multifamily housing; supports townhome/duplex and smaller apartment formats (Table 15.10.020) (§ 15.10.020) .
• Typical permitted uses: attached single‑family, multifamily dwellings, limited residential care and accessory uses per Table 15.10.020 (§ 15.10.020) .
• Key dimensional standards: See § 15.10.030; specific numeric standards not found in the retrieved snippets — Verify with the jurisdiction (§ 15.10.030) .

RH — High Density Residential

• Purpose: Higher intensity multifamily developments, apartment complexes (Table 15.10.020) (§ 15.10.020) .
• Typical permitted uses: multifamily dwellings, some institutional residential uses (see Table 15.10.020) (§ 15.10.020) .
• Key dimensional standards: See § 15.10.030; numeric specifics Not found in retrieved materials — Verify with the jurisdiction (§ 15.10.030) .

RVH — Very High Density Residential

• Purpose: Very high density housing such as taller multifamily and mixed‑use residential where mapped (Table 15.10.020) (§ 15.10.020) .
• Typical permitted uses: High‑rise or dense multifamily uses indicated as P in Table 15.10.020 (§ 15.10.020) .
• Key dimensional standards: See § 15.10.030 — numeric values Not found in retrieved materials; verify on the project parcel (§ 15.10.030) .

PRD — Planned Residential Development (overlay)

• Purpose: Allows tailored development rules; permitted uses are those of the underlying base district (AVMC 15.10.040 referenced by § 15.10.020) (§ 15.10.020) .
• Typical permitted uses: Same as underlying district (see § 15.10.020) .
• Key dimensional standards: PRD modifications are set in the project’s PRD text/approval; check the specific plan or PRD conditions (specific plans are listed in AVMC § 15.26.040/15.78.030) .

CT — Town Center Commercial

• Purpose: Urban core / mixed‑use town center for Aliso Viejo; retail, entertainment, lodging, restaurants, cultural uses (§ 15.18.010) .
• Typical permitted uses: community retail, restaurants, offices, theaters, hotels/motels, recreation/community facilities as listed in Table 15.18.020 (§ 15.18.020) .
• Key dimensional standards: Nonresidential development standards are in § 15.18.030 (numerical controls such as setbacks, heights, FAR where adopted) — numeric specifics Not found in retrieved materials; check § 15.18.030 and Official Zoning Map overlays (§ 15.06.020) file.

CC — Community Commercial

• Purpose: General commercial for citywide/regional retail and services (§ 15.18.010) .
• Typical permitted uses: retail stores, restaurants, lodging, personal services, financial services, etc.; see Table 15.18.020 (§ 15.18.020) .
• Key dimensional standards: See § 15.18.030; numeric details Not found in the retrieved excerpts — verify with the jurisdiction (§ 15.18.030) .

CN — Neighborhood Commercial

• Purpose: Local‑serving retail and services for nearby neighborhoods (§ 15.18.010) .
• Typical permitted uses: local retail, medical/professional offices, restaurants, gas stations (with CUP and standards § 15.22.210) (§ 15.18.020; § 15.22.210) file.
• Key dimensional standards: See § 15.18.030; numeric specifics Not found in retrieved materials — verify (§ 15.18.030) .

PO — Professional Office

• Purpose: Business and professional office complexes; moderate intensity office uses (§ 15.18.010) .
• Typical permitted uses: offices, support facilities and community facilities (Table 15.18.020) (§ 15.18.020) .
• Key dimensional standards: See § 15.18.030; numeric specifics Not found in retrieved materials — verify (§ 15.18.030) .

BP‑1 and BP‑2 — Business Park 1 / 2

• Purpose: BP‑1 for research, light industrial and office with landscaped campuses; BP‑2 for heavier industrial, wet labs, distribution (see § 15.18.010) .
• Typical permitted uses: R&D, light manufacturing, offices, storage/warehousing (Table 15.18.020) (§ 15.18.020) .
• Key dimensional standards: See § 15.18.030 and chapter 15.22 supplemental nonresidential regulations (landscaping, screening) (§ 15.22.070–.090) file.

CF — Community Facilities

• Purpose: Institutional and public uses — schools, libraries, public safety, community centers (Table 15.26.020) (§ 15.26.020) .
• Typical permitted uses: public schools, community centers, civic uses, some accessory caretaker residences (AUP) (§ 15.26.020) .
• Key dimensional standards: See § 15.26.020 and supplemental regulations in Chapter 15.22; numeric specifics Not found in retrieved materials — verify (§ 15.26.020; § 15.22.*) file.

OR / OS — Open Space Recreation / Preservation

• Purpose: Preserve natural open space and provide recreation; permitted uses structured tightly (Table 15.26.020) (§ 15.26.020) .
• Typical permitted uses: trails, native habitat, limited recreation; many commercial uses are NP (not permitted) (§ 15.26.020) .
• Key dimensional standards: See § 15.26.020 and special exceptions for fences in CF/OR/OS in § 15.26.020 cross‑references (§ 15.26.020; § 15.26.*) .

SP (Specific Plans) and CZ (Coastal Zone overlay)

• Purpose: SP districts are governed by the project‑specific plan text and diagrams; permitted uses are those in the specific plan (AVMC 15.26.040) (§ 15.26.040) .
• The CZ overlay is an overlay district applied with an underlying base district; in CZ the CZ provisions control where in conflict and a Coastal Development Permit is required for development (see § 15.26.050(C)) .
• Typical permitted uses: Uses follow the specific plan or the underlying base district for CZ; consult the specific plan text or § 15.26.050 depending on the overlay .
• Key dimensional standards: Specific plans and overlays frequently change numeric standards; check the specific plan text and the official zoning map (§ 15.06.020) file.

Quick reference table — decision‑relevant items

Practical guidance (what the code requires in plain steps)

1. Confirm the parcel's base district on the Official Zoning Map (§ 15.06.020) and note any overlay or specific plan symbols (e.g., “RL:10,000”, parenthetical setback modifiers) (§ 15.06.060 for map symbols) file.
2. Check the appropriate permitted‑uses table: residential uses in § 15.10.020; nonresidential uses in § 15.18.020; special districts in § 15.26.020. If the use is not listed follow § 15.06.050 for unlisted uses (director determination) filefilefile.
3. Determine whether the use is P, A, C, AUP, or TUP per the table legends — those letter codes (P/C/A/AUP/TUP/NP) determine permit path (see § 15.10.020 / § 15.18.020) file.
4. Confirm dimensional standards (setbacks, height, FAR, lot size) in the district’s development standards — residential standards in § 15.10.030, nonresidential in § 15.18.030 — if a map symbol modifies standards use the map symbol rules (§ 15.06.060) filefile.
5. Prepare a site plan addressing parking (the code’s parking chapters and, if needed, an alternative parking plan; see AVMC 15.38.030–.140) and design (qualitative standards in AVMC 15.62, and follow development standards) — note that reductions larger than 15% in required parking trigger a CUP (§ 15.38.140) file. Use the city's parking guidance early in design.
6. If your project involves exterior design or commercial/multifamily site planning expect design review procedures under § 15.62.050 — consult the city's design review page and the AVMC design standards (§ 15.62.010–.050) .
7. If your site is within an overlay (e.g., CZ, health‑facility overlay) read the overlay rules carefully — overlays may add special development or operational standards (example: health facilities overlay, § 15.22.220 requires a minimum lot size, operational/security plans and CUP for some uses) file. See the overlay districts page for context.
8. Prepare any operational plans required by specific overlays (e.g., security and operational plans required for large outpatient medical uses in § 15.22.220) and the materials required for discretionary permit findings under § 15.74.040 file.
9. Do not forget signage and landscaping rules (signs chapter and landscape/screening standards are referenced throughout — see the signage and landscaping and screening pages and AVMC cross‑references in the district chapters) .
10. If a use is residential accessory or an ADU, consult the city's ADUs page and the code references (state ADU law may also apply) — but ADU technical building standards live under the California ADU law and the California Building Standards Code.

Checklist

• Confirm parcel base district and any overlay/symbols on the Official Zoning Map (§ 15.06.020)
• Look up the use in Table 15.10.020, 15.18.020 or 15.26.020 (residential / nonresidential / special) and note P/C/A/AUP/TUP/NP (§ 15.10.020, § 15.18.020, § 15.26.020) filefile
• If unlisted, prepare a justification under § 15.06.050 for director classification
• Confirm development standards (setbacks/height/FAR/lot size) in the district chapter (e.g., § 15.10.030, § 15.18.030) and check for map symbol overrides (§ 15.06.060) filefile
• Compile parking analysis in accordance with AVMC 15.38; if asking for reductions or alternative parking, prepare the parking study required by § 15.38.140
• Prepare design materials to address qualitative design standards in § 15.62 and expect design review (§ 15.62.050)
• Check overlay requirements (CZ, health facilities, specific plan rules, etc.) — some overlays add CUP or special operational rules (§ 15.26.050; § 15.22.220) file
• If a use requires discretionary approval, reference the findings in § 15.74.040 and prepare CEQA/operational/mitigation materials as needed

Risks & Ambiguities

Plain‑English summary

Aliso Viejo’s zoning code assigns every parcel a base district (and sometimes overlays or specific plans) that list allowed, accessory and conditional uses in clear tables (§ 15.10.020, 15.18.020, 15.26.020). If your use is not listed, the Planning Director decides under § 15.06.050, and many changes or reductions (for example in parking) will require a conditional or administrative use permit with findings under Chapter 15.74. Always check the applicable overlay rules (for example CZ or health overlays) because they can add permit steps or operational requirements (§ 15.26.050; § 15.22.220) filefilefilefilefile.

Source References

• AVMC § 15.06.020 Official Zoning Map (map/overlay rules)
• AVMC § 15.06.050 Unlisted land uses (director determination / findings)
• AVMC § 15.10.020 Table 15.10.020 — Permitted uses in residential districts
• AVMC § 15.18.010–15.18.020 Nonresidential district purposes and Table 15.18.020 (permitted uses)
• AVMC § 15.18.030 Nonresidential development standards (numerical controls referenced) — (numeric details Not found in retrieved excerpts)
• AVMC § 15.22.210 Gas station standards; AVMC § 15.22.220 Health facilities / outpatient medical overlay (operational standards) file
• AVMC § 15.26.020 Table 15.26.020 — Permitted uses in special purpose districts; AVMC § 15.26.050 Coastal Zone Overlay rules (Coastal Development Permit requirements and exemptions) file
• AVMC Chapter 15.38 Parking requirements (including § 15.38.140 alternative parking plan rules)
• AVMC Chapter 15.62 Design standards and design review procedures (§ 15.62.010–.050)
• AVMC Chapter 15.74 Discretionary permits (use permits, time limits, modifications; see § 15.74.040 CUP/AUP and § 15.74.050 TUP) file

Retrieved passages

• Aliso Viejo Zoning Code (§ 1) High relevance show source text
• Aliso Viejo Zoning Code High relevance show source text
• Aliso Viejo Zoning Code (section alters) High relevance show source text
• Aliso Viejo Zoning Code (§ 3) High relevance show source text
• Aliso Viejo Zoning Code (§ 1) High relevance show source text
• Aliso Viejo Zoning Code (Section 50072.) High relevance show source text
• Aliso Viejo Zoning Code (Chapter 15.14) High relevance show source text
• CWUIC § 65850.6 (Title 24) High relevance show source text
• Aliso Viejo Zoning Code (Chapter 15.22) Medium relevance show source text
• Aliso Viejo Zoning Code (§ 3) Medium relevance show source text
• Aliso Viejo Zoning Code (§ 3) Medium relevance show source text
• Aliso Viejo Zoning Code (§ 3) Medium relevance show source text
• Aliso Viejo Zoning Code Medium relevance show source text
• Aliso Viejo Zoning Code (§ 1) Medium relevance show source text
• Aliso Viejo Zoning Code (section identifies) Medium relevance show source text

Cited sections

• AVMC § **15.06.020** Official Zoning Map (map/overlay rules)
• AVMC § **15.06.050** Unlisted land uses (director determination / findings)
• AVMC § **15.10.020** Table 15.10.020 — Permitted uses in residential districts
• AVMC § **15.18.010–15.18.020** Nonresidential district purposes and Table 15.18.020 (permitted uses)
• AVMC § **15.18.030** Nonresidential development standards (numerical controls referenced) — (numeric details Not found in retrieved excerpts)
• AVMC § **15.22.210** Gas station standards; AVMC § **15.22.220** Health facilities / outpatient medical overlay (operational standards) file
• AVMC § **15.26.020** Table 15.26.020 — Permitted uses in special purpose districts; AVMC § **15.26.050** Coastal Zone Overlay rules (Coastal Development Permit requirements and exemptions) file
• AVMC Chapter **15.38** Parking requirements (including § 15.38.140 alternative parking plan rules) (§ 15.38.140)
• AVMC Chapter **15.62** Design standards and design review procedures (§ 15.62.010–.050) (§ 15.62.010)
• AVMC Chapter **15.74** Discretionary permits (use permits, time limits, modifications; see § 15.74.040 CUP/AUP and § 15.74.050 TUP) file (§ 15.74.040)
• AlisoViejo_ZoningCode.md