Local zoning · Agoura Hills

Agoura Hills — Design Review

Q: How does the Old Agoura Overlay change design review expectations?

The Old Agoura (OA) Overlay emphasizes a rural/equestrian aesthetic, prescribes permitted sign materials, limits flashy exterior finishes, mandates landscape percentages and special fencing standards, and requires planning‑level review for projects; see §§ 9551–9555 and the Old Agoura development standards.

Design Review under the Agoura Hills local zoning and planning code, with the controlling citations.

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Last reviewed: July 3, 2026

Overview

Design review in Agoura Hills is implemented through the city's architectural review and site plan review procedures: applications are evaluated for neighborhood compatibility, protection of scenic resources (hillsides, ridgelines, oak woodlands), and conformity with adopted design standards and overlays. Key procedural rules (who decides, required findings, appeal windows, and the requirement that building permits and certificates of occupancy conform to approvals) are codified in the zoning code. See the city's framing of zoning and design controls on the Agoura Hills zoning page and how design interacts with development standards and overlays. (§ 9677.5–9677.8)

Note: where this page mentions related topics like parking, setbacks/development standards, overlays, ADUs, and Title 24, the first mention links into the city's topic pages for quick cross-reference: Agoura Hills Parking, Agoura Hills Development Standards, Agoura Hills Overlay Districts, Agoura Hills ADUs, and California Building Standards Code.

How design review is used in Agoura Hills (short)

Architectural review is required for most new construction and new signs; minor interior-only work is excluded. (§ 9677.7)
Site plan review and architectural review are often combined; site plan approvals must satisfy findings about consistency with the land‑use district and impacts. (§ 9677.5)
Hillside and Significant Ecological Areas (SEA) require either a conditional use permit or architectural review before building/grading permits. (§ 9652.5, § 9652.10)

District-by-district design-review specifics

The code attaches design-review rules both to city‑wide procedures and to specific zoning and overlay districts. Below are the Agoura Hills districts / special areas addressed in the retrieved materials, what design review means in each, typical permitted uses, and the most decision‑relevant dimensional or procedural standards.

Hillside & Significant Ecological Areas (SEA)

Purpose: Protect natural hillside character, scenic viewsheds, and ecological resources; minimize grading and protect oak trees. (§ 9652. — Hillside management and SEA purpose and policy)
Design-review trigger: Either a conditional use permit or architectural review approval is required before building or grading permits, minor land divisions, or major alterations on parcels in these areas. Planning Commission may modify development standards to meet chapter objectives. (§ 9652.5; § 9652.10)
Typical permitted uses: Limited accessory structures and additions (small accessory buildings under 500 sq ft; additions limited to 700 sq ft or 30% of existing floor area, whichever is less, subject to site plan review). (§ 9652.5)
Key standards to watch: findings can allow modified lot size, height, and setbacks to protect natural resources; slope standards and view protection measures (view corridors, clustering) apply. (§ 9652.10; § 9652.12)

Old Agoura Design Overlay (OA)

Purpose: Preserve Old Agoura’s rural/equestrian character with special public‑improvement standards and design guidelines. (§ 9551)
Design-review trigger: Many changes, and most development in the OA Overlay, require site plan approval / architectural review; the director or planning commission grants site plan approvals consistent with the Old Agoura guidelines. (§ 9555; § 9553)
Typical permitted uses: Underlying district uses apply; a tailored permitted-uses list exists for the Old Agoura commercial subarea. (§ 9552 / 9552.1)
Key dimensional & design standards: Maximum building height generally 35 ft / 2 stories in overlay and special site coverage/landscaping requirements (e.g., minimum 15% pedestrian landscaping on commercial frontage; max coverage guidance). Signs, fences, and materials are tightly regulated to preserve rural character. (§ 9223.4; § 9553.1–9553.7)

Indian Hills Design Overlay (IH)

Purpose: Address natural and development problems in the Indian Hills area through special public improvement and architectural guidelines. (§ 9561)
Design-review trigger: Any discretionary review in the IH overlay must include architectural treatment of buildings and structures (materials/colors, conformance to existing terrain, and appearance from nearby streets/freeway). (§ 9562.4)
Typical permitted uses: All uses of the underlying district, except specific conditional exceptions (e.g., modifications to the Indian statue require a conditional use permit). (§ 9562)
Key standards: Require full public‑street improvements, underground utilities for development, and no private sewer systems. (§ 9562.3–9562.5)

Agoura Hills (AH) Overlay District

Purpose: Implement the Agoura Village/area policies and allow appropriate mixed‑use and multi‑family projects subject to design standards. (Part of AH overlay code) (§ 9524–9528)
Design-review trigger: Projects under the AH overlay must comply with the city’s design standards (see section 9663 et seq.) and undergo discretionary review including architectural review and site plan findings. (§ 9527; § 9663)
Typical permitted uses: Multi‑family housing, mixed‑use projects, parking structures (subject to the overlay limitations and underlying zoning). (§ 9524.1)
Key dimensional standards (where AH modifies underlying RM rules): Front setback 15 ft, side 7 ft, rear 15 ft for AH properties within RM; parking lot landscaping and maximum light pole heights (e.g., 16 ft maximum) are specified. (§ 9526.4; § 9528.C)

RV (Residential Village) zoning (selected standards shown)

Purpose/where it applies: Applies to parcels in the RV district; special development rules exist for housing and hillside conditions. (Part of RV standards) (§ 9293.7–9293.9)
Key dimensional standards: Minimum front yard setback 25 ft, max site coverage 25%, max height 35 ft / 2 stories. Hillside-specific standards also limit development on slopes > 35%, require 20 ft setback from top of slope > 10%, and other measures. (§ 9293.7–9293.8)

Cluster Development Overlay (CD) and Planned Development (PD)

Purpose: Encourage clustered, creative development, mixtures of residential densities, and coordinated projects. (CD overlay purpose) (§ 9571)
Design-review trigger: Projects in CD/PD settings will be subject to discretionary site plan and architectural review; design standards are evaluated against the cluster/PD objectives and the general plan. (CD/PD general approach)

Key standards & decision table

Topic / Standard	What the code requires (brief)	Code Reference
Architectural review required for new construction and most signs	No building permit for new construction or sign unless an architectural review application is approved (interior-only repairs excluded). Director reviews some applications; Planning Commission hears others. (§ 9677.7)	§ 9677.7
Mandatory findings for architectural/site plan approval	Findings include consistency with general plan, district purposes, no detriment to public welfare, neighborhood character, and protection of public health/safety. (§ 9677.5; § 9677.7.G)	§ 9677.5; § 9677.7.G
Certificate of occupancy condition	No certificate of occupancy for new construction unless architectural review requirements are satisfied. (§ 9677.8)	§ 9677.8
Hillside / SEA trigger	Either a conditional use permit or architectural review is required before building/grading/minor land division for parcels in hillside/SEA. (§ 9652.5; 9652.10)	§ 9652.5; § 9652.10
Old Agoura overlay design controls	Rural/equestrian aesthetic; max height 35 ft, site coverage and landscaping minimums; fencing and sign material limits. (§ 9223.4; OA parts)	§ 9223.4; §§ 9551–9555
Application materials required (typical)	Dimensioned site plan, elevations, landscape plan, photos, grading/drainage, oak/tree reports if applicable; scope of items set by director. (§ 9677.7.D–E)	§ 9677.7.D–E

Practical guidance (plain‑English synthesis and tips)

Expect architectural review to be a gating step: many permits for new buildings, exterior changes, and signs will not proceed to building permit if the design review approvals are missing. (§ 9677.7; § 9677.8)
Know the reviewer: the Director of Planning & Community Development can make final decisions on limited categories (e.g., minor alterations, new signs related to existing buildings); larger or discretionary projects go to the Planning Commission. Appeals are possible to the Planning Commission and then the City Council within 15 days. (§ 9677.7.A; § 9677.7.K)
Overlay districts and hillside rules add project-specific standards: if your parcel is in Old Agoura, IH, AH, or a hillside/SEA, expect additional materials, stricter materials/colors/landscaping rules, and findings tied to scenic protection. (§ 9551 et seq.; § 9561 et seq.; § 9524 et seq.; § 9652 et seq.)
Landscaping and stormwater rules interact with design review: landscape plans must meet the city’s landscape and LID requirements and the MWELO; expect irrigation and planting details. (Landscape plan rules) (§ 9663 et seq.; landscape plan standards)

Useful cross-references: development standards like setbacks and height are enforced through design review — consult the Agoura Hills Development Standards page for numeric standards and the Agoura Hills Parking page for parking calculations that influence site layout and design.

Checklist

Confirm whether the project is subject to architectural review or site plan review (is it new construction, a new sign, hillside/SEA parcel, overlay district?). (§ 9677.7; § 9652.5)
Preapplication meeting request letter and fully dimensioned site plan (recommended). (§ 9677.7.D – preapplication process)
Prepare application package: dimensioned site plan, elevations, landscape plan (MWELO/LID compliance), grading/drainage, tree/oak reports if applicable, photos, and any sightline or line-of‑sight studies for freeway/gateway visibility. (§ 9677.7.E; landscape requirements)
Verify specific overlay rules if in OA, IH, AH, CD, or hillside/SEA and include any overlay-specific submittals (e.g., sign details for OA, infrastructure requirements for IH). (§ 9551–9555; § 9562.3–9562.4; § 9527–9528)
Confirm required findings can be made (consistency with general plan, district purposes, no adverse impacts to neighborhood). (§ 9677.5; § 9677.7.G)
Plan for appeal timeline and fees: appeals to Planning Commission and City Council within 15 days of decision. (§ 9677.7.K)

Risks & Ambiguities

Issue	Why it matters	What to verify
Whether Director or Planning Commission makes the final call	Authority affects process length, noticing, and appeal paths	Confirm which applications are “director final” vs. those reserved for the Planning Commission (see § 9677.7.A and related director/planning commission duties). (§ 9677.7.A–C)
Overlay-specific standards that override base zoning	Overlay may replace setbacks, coverage, or sign rules (e.g., OA, AH).	Verify overlay boundaries on the official zoning map and check the overlay's replacement standards (e.g., § 9526.4 for AH in RM). (§ 9526.4)
Hillside/SEA conditional‑use vs architectural review trigger	Large hillside projects may require a CUP rather than administrative architectural review, adding environmental or geotechnical review.	Confirm parcel acreage, slope, and SEA designation; see § 9652.10 for when CUP is required. (§ 9652.10)
Applicability to ADUs	ADUs have state law overlays and local ADU rules that may limit design review or parking requirements.	Check local ADU rules (Agoura Hills ADU section) and how they intersect with design review; local ADU height/setback rules referenced in § 9283/9284 (ADU section). Local ADU specifics found in the ADU code excerpt. (§ 9283–9284; ADU rules)
Exact numeric dimensional standards for a parcel	Some standards differ by zoning district (RM, RV, etc.) and overlay modifications.	Verify the parcel’s zoning and applicable overlay on the official zoning map and then read the district’s development standard section (e.g., § 9293.7 for RV; § 9526.4 for AH in RM). (§ 9293.7; § 9526.4)

Plain-English Summary

If you are planning exterior changes, a new building, a new sign, or work in a hillside or overlay area in Agoura Hills, expect an architectural/site plan review that tests whether your design fits the neighborhood, protects views and natural resources, and meets city design standards; the director or planning commission will require specific drawings, landscape plans, and findings before issuing permits. (§ 9677.5–9677.8; § 9652.5)

Source References

Architectural review, site plan findings, procedure, appeals, and certificates of occupancy: § 9677.5–§ 9677.8.
Architectural review application contents, preapplication, scope and findings: § 9677.7.D–G.
Hillside management and Significant Ecological Areas (triggers for architectural review/CUP): § 9652.5; § 9652.10.
Old Agoura Design Overlay (purpose, permitted uses, and design standards): § 9551–§ 9555 and related site coverage/height/yard references (see § 9223.3–9223.4).
Indian Hills Design Overlay (architectural treatment, public improvements): § 9561–§ 9562.4.
Agoura Hills (AH) overlay design and development standards (including RM replacements): § 9524–§ 9528; § 9526.4.
RV zoning development and hillside rules (setbacks, height, site coverage): § 9293.7–§ 9293.9.
Landscape, irrigation, and LID requirements referenced in design review submissions: landscape submittal rules and MWELO references. (§ 9663 et seq.; landscape plan standards)

Related internal pages (first mention links):

Agoura Hills Zoning overview — /us/california/agoura-hills/zoning
Agoura Hills Development Standards — /us/california/agoura-hills/development-standards
Agoura Hills Overlay Districts — /us/california/agoura-hills/overlay-districts
Agoura Hills Parking — /us/california/agoura-hills/parking
Agoura Hills ADUs — /us/california/agoura-hills/adu
California Building Standards Code — /us/california/building-codes

If you want, I can map the exact design‑review triggers and the required drawings to a specific parcel — provide the APN or street address and I will verify the parcel’s overlays and the exact § that controls it. Verify with the jurisdiction for parcel‑specific amendments or application fee schedules.

Sources

Retrieved passages

Agoura Hills Zoning Code (section 9652.5) High relevance
Agoura Hills Zoning Code (article and) High relevance
Agoura Hills Zoning Code (section 9658) High relevance
Agoura Hills Zoning Code (section shall) Medium relevance
Agoura Hills Zoning Code Medium relevance
Agoura Hills Zoning Code (§ 6) Medium relevance
Agoura Hills Zoning Code (§ 2) Medium relevance
Agoura Hills Zoning Code (§ 1) Medium relevance
Agoura Hills Zoning Code (§ 2) Medium relevance
Agoura Hills Zoning Code (§ 2) Medium relevance
Agoura Hills Zoning Code (§ 7) Medium relevance

Cited sections

Official Agoura Hills code library

Frequently asked questions

Do I need design review (architectural review) in Agoura Hills for a typical home addition?

Most exterior additions are subject to architectural review unless they are strictly interior work; small residential additions may be eligible for an administrative site plan review depending on size and slope, but if your property is in a hillside or overlay area, you will need either architectural review or a conditional use permit. See § 9677.7 and § 9652.5–9652.10.

What are the required findings for site plan approval?

The reviewing authority must find the proposed use is consistent with the article and district purposes, not detrimental to public health/safety, compatible with surrounding character, compliant with applicable provisions (unless variances were granted), and consistent with the general plan — see § 9677.5 and the findings list in § 9677.7.G.

What materials do I need to file with an architectural review application?

Typical submittal items include a fully dimensioned site plan, building elevations, landscape concept and irrigation plans, grading and drainage info, photos, and any necessary line‑of‑sight or oak tree reports—see the preapplication and application list in § 9677.7.D–E.

Will a design‑review approval affect my building permit or certificate of occupancy?

Yes — no building permit or certificate of occupancy for new construction will be issued unless the building permit plans conform to the prior architectural review approval, and the city determines the permit conforms to the approved plans. (§ 9677.7.I; § 9677.8)

How does the Old Agoura Overlay change design review expectations?

The Old Agoura (OA) Overlay emphasizes a rural/equestrian aesthetic, prescribes permitted sign materials, limits flashy exterior finishes, mandates landscape percentages and special fencing standards, and requires planning‑level review for projects; see §§ 9551–9555 and the Old Agoura development standards.

If my lot is on a hillside, when is a CUP required instead of architectural review?

A conditional use permit is required in hillside areas when the parcel is 5 acres or greater, or in certain other circumstances such as when density/open-space rules would otherwise prohibit the use; otherwise architectural review approval is required. See § 9652.10 (A–B).

Are signs subject to design review in Agoura Hills?

Yes — new signs related to existing buildings are covered by the director’s architectural review; other sign applications are subject to planning commission approval and the OA overlay imposes additional sign design criteria. See § 9677.7.A and OA sign rules (e.g., § 9553.5).

What special landscape requirements will design review enforce?

Landscape plans must meet MWELO and city LID/stormwater requirements, provide required species percentages and planting details, and meet fire department fuel modification standards where applicable; see the landscape submission standards and MWELO references in the code. (§ 9663 et seq.; landscape submittal rules)

Can the director hire outside experts to review a design application?

Yes — the code authorizes the city to hire architectural review experts (architects, landscape architects, engineers, or informed laypersons) to assist the director and planning commission in reviewing applications. (§ 9677.7.B)

If I disagree with a director decision on design review, what are my appeal rights?

Decisions by the director on architectural review can be appealed to the Planning Commission, and Planning Commission decisions can in turn be appealed to the City Council; appeals must be filed in writing within 15 days of the decision and fees may apply. (§ 9677.7.K)

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