Local zoning · Orange
Orange — Landscaping and Screening
Landscaping and Screening under the Orange local zoning and planning code, with the controlling citations.
Quick answer
Orange requires a perimeter landscape strip of at least 10 ft with approximately 36 in-high screening where surface parking abuts a street, plus trees at 1 per 30 LF and interior trees at 1 per 4 spaces (§ 17.19.160(C)(3)). In some districts, at least 10% of the parking lot area must be landscaped and a 2 ft overhang into landscaping is allowed if conditions are met (§ 17.34.130(H)–(I)). Screen all mechanical equipment from public view (§ 17.14.240).
Last reviewed: July 25, 2026 · AI-generated analysis · General information, not legal advice · detailsless
Compiled from Orange's adopted code with AI research tools and grounded in the sources cited below. Verify with Orange planning staff before relying on it.
Overview
Orange embeds landscaping and screening into its zoning by chapter: detailed, numeric standards in the mixed-use districts, district-specific parking and frontage rules in a few chapters, and broad cross-references to the City’s Landscape Standards and Specifications (Orange Municipal Code Chapter 16.50) elsewhere. The most prescriptive numbers appear in the mixed-use landscaping section, and in parking lot design requirements. Mechanical equipment must be screened from public view with walls, fences, or landscaping. Many proposals will also touch related processes like design review and site parking.
The most common trigger: surface parking that abuts a street must have a perimeter landscape strip at least 10 feet wide with 36-inch-high screening and trees spaced 1 per 30 linear feet (§ 17.19.160(C)(3)(a)).
How the code is organized for landscaping and screening
- Mixed-use districts carry the most detailed standards in § 17.19.160 (plans, street trees, setbacks, parking lot screening and tree density).
- A separate chapter adds a baseline “minimum 10% of parking lot area landscaped” rule and allows a 2-foot vehicle overhang into landscaping if conditions are met (§ 17.34.130(H)–(I)).
- Several chapters simply say “landscaping per Chapter 16.50” (the City’s Landscape Standards and Specifications) without repeating the numbers (§ 17.14.210, § 17.20.120, § 17.22.110, § 17.24.090, § 17.34.190).
- Screening of mechanical and pool equipment is required in § 17.14.240.
Use this page with the City’s base zoning districts and development standards. Overlays may add to or adjust rules—confirm early if an overlay district applies.
Citywide and recurring standards you’ll see
- Landscaping plans are reviewed by the Planning Division, often alongside design review when applicable; plans must be prepared by qualified professionals (§ 17.19.160(B)(3)–(4)).
- Street trees follow the City’s Street Tree Master Plan and are addressed during design review (§ 17.19.160(C)(5)).
- Historic properties listed or eligible in the City’s inventory are exempt from mixed-use landscaping requirements (§ 17.19.160(A)(3)); coordinate with Historic Preservation).
- Many chapters defer to Chapter 16.50 for plant selection, irrigation, and technical specifications (§ 17.14.210, § 17.20.120, § 17.22.110, § 17.24.090, § 17.34.190).
District-by-district application
Mixed-Use Zoning Districts — Chapter 17.19
- Purpose of landscaping rules: enhance appearance, pedestrian comfort/shade, reduce heat/glare, provide screening and safety (§ 17.19.160).
- Typical permitted uses: Not found in source materials. Verify with the jurisdiction.
- Key dimensional standards relevant to landscaping and screening:
- Landscape plan is required; must be integral to site design; prepared by a qualified professional (§ 17.19.160(B)).
- Setbacks/open areas: all unbuilt setback and open areas must be landscaped; provide trees at 1 per 30 linear feet in street-adjacent setbacks; size mix: 50% 24-inch box and 50% 15-gallon at planting (§ 17.19.160(C)(1)).
- Unused areas (e.g., future pad sites) must be landscaped unless found unnecessary by the reviewing body (§ 17.19.160(C)(2)).
- Surface parking abutting a street: perimeter landscape strip minimum 10 feet wide (exclude car overhang); trees at 1 per 30 linear feet, minimum 24-inch box; screening shrubs/berms/walls maintained at approximately 36 inches high; non-tree plants minimum 5-gallon container (§ 17.19.160(C)(3)(a)).
- Interior surface parking: one tree per four parking spaces; trees in planters bounded on at least three sides by paving; planters minimum 5-foot interior dimension; all aisle ends landscaped; all parking area trees minimum 24-inch box; >400 spaces must include an “entry feature” with concentrated landscape elements (§ 17.19.160(C)(3)(b)).
- Parking structures: perimeter landscaping and consideration of exterior planters to screen utilitarian appearance (§ 17.19.160(C)(4)).
- Street trees: required along public streets per Street Tree Master Plan approved via design review; if parkway isn’t feasible and buildings are not built to the line, install canopy-type shade trees on private property within 10 feet of street property lines at a rate of 1 per 20 linear feet unless spacing conflicts require adjustment by the Director (§ 17.19.160(C)(5)).
- Where it applies: All mixed-use zoning districts (§ 17.19.160(A)).
- Existing development expansions: comply “to the greatest extent feasible” at the Director’s discretion; changes of use and interior tenant improvements are exempt (§ 17.19.160(A)(2)).
- Historic resources: exempt from this section (§ 17.19.160(A)(3)).
Chapter 17.18 Districts — Verify district names
- Purpose of landscaping rules: reiterates site-specific requirements to assist design (§ 17.18.160).
- Typical permitted uses: Not found in source materials. Verify with the jurisdiction.
- Key dimensional standards:
- Front setback landscaping: landscape the entire front setback or provide a minimum 10-foot planter width, whichever is greater (§ 17.18.160(A)(1)(a)).
- Side/rear lot lines: minimum 4-foot clear planter when the building is off the line; if perpendicular parking at the line, minimum 6-foot clear planter; exclude car overhangs from clear widths (§ 17.18.160(A)(1)(b)).
- Parking visible from streets: screen with 5-gallon shrubs at 3 feet on-center; 3-foot berms allowed if landscape area is ≥20 feet wide (§ 17.18.160(A)(2)).
- Trash enclosures: provide a minimum 4-foot-wide clear planter on at least two sides (§ 17.18.160(A)(3)).
- Trees: required throughout sites—parking areas and along property lines.
- Size mix: 25% 24-inch box, 75% 15-gallon at planting; larger trees required on sites >1 acre (§ 17.18.160(B)(1)(a)(i)).
- Quantity: sum the total length of all property lines, building perimeters, and parking rows, then divide by 36 to determine required tree count (§ 17.18.160(B)(1)(a)(ii)).
- Where it applies: Not found in source materials. Verify with the jurisdiction.
Chapter 17.34 Districts — Verify district names
- Purpose of landscaping rules: enhance and screen parking areas; govern overhang into landscaping (§ 17.34.130(H)–(I); § 17.34.190).
- Typical permitted uses: Not found in source materials. Verify with the jurisdiction.
- Key dimensional standards:
- Parking lot landscaping: minimum 10% of the parking lot area must be landscaped; distribute landscaped areas throughout; curbed planters/islands must be at least 4 feet wide (interior of curb); include design features that effectively screen parking from the public street (berms, decorative walls, planting screens, raised planters, etc.) (§ 17.34.130(H)).
- Vehicle overhang: up to a 2-foot overhang may encroach into landscaping/walkways if (1) the landscape area or walkway is at least 6 feet wide, (2) no drive lane opposite the walkway, (3) stalls are 90 degrees, (4) the overhang area has only low groundcover (no trees/shrubs/utilities), and (5) walkways still meet clearance requirements (§ 17.34.130(I)).
- Chapter cross-reference: landscaping otherwise per Chapter 16.50 (§ 17.34.190).
- Where it applies: Not found in source materials. Verify with the jurisdiction.
Chapters 17.14, 17.20, 17.22, 17.24 — Landscaping by reference
- Purpose: these chapters require landscaping to meet the City’s Landscape Standards and Specifications (Chapter 16.50), rather than restating numbers.
- Key rule: “Landscaping shall be provided as specified in Orange Municipal Code Chapter 16.50” in each chapter: § 17.14.210, § 17.20.120, § 17.22.110, § 17.24.090.
- Where they apply / permitted uses / dimensional standards: Not found in source materials. Verify with the jurisdiction.
Screening of mechanical equipment
- Requirement: All mechanical equipment (including AC and pool equipment) must be acoustically shielded and architecturally screened from view of adjacent streets and properties (§ 17.14.240).
- Ground-mounted units: screen with a solid wall, solid fence, or sufficient landscaping; otherwise enclose within a building (§ 17.14.240).
- Solar panels: place to minimize visibility from the adjacent street without unreasonably diminishing efficiency, integrating into the structure’s design when building-mounted (§ 17.14.240).
- If an existing nonconforming arrangement complicates screening, consult Nonconforming Uses and, if needed, Variances and Exceptions.
High-impact standards at a glance
| Topic | Key requirement | Where it applies | Code Reference |
|---|---|---|---|
| Perimeter strip at street | Minimum 10-foot landscaped strip between street ROW and parking area; exclude car overhangs | Mixed-use districts; surface lots abutting a street | § 17.19.160(C)(3)(a)(i) |
| Street-facing screening | Maintain screening at approximately 36 inches high using plants/berms/low walls; non-tree plants min 5-gallon | Mixed-use districts; street-facing parking | § 17.19.160(C)(3)(a)(iii)–(iv) |
| Perimeter trees | 1 tree per 30 linear feet of landscaped street-adjacent setback; min 24-inch box at planting (parking strip) | Mixed-use districts | § 17.19.160(C)(1); § 17.19.160(C)(3)(a)(ii) |
| Interior parking trees | 1 tree per 4 spaces; trees in planters bounded on 3 sides by paving; planters min 5' interior | Mixed-use districts; interior parking | § 17.19.160(C)(3)(b)(i) |
| End-of-aisle islands | Landscape all parking aisle ends with trees, shrubs, groundcover | Mixed-use districts | § 17.19.160(C)(3)(b)(iii) |
| Large parking “entry feature” | Provide concentrated landscape entry feature for parking lots >400 spaces | Mixed-use districts | § 17.19.160(C)(3)(b)(iv) |
| Street trees | Required; if not feasible in parkway, install canopy trees on private property within 10 feet of street line at 1 per 20 LF (spacing may vary if conflicts) | Project frontages along public streets | § 17.19.160(C)(5) |
| Parking lot area landscaped | At least 10% of parking lot area landscaped; curbed planters/islands min 4' wide; distribute landscaping | Chapter 17.34 districts | § 17.34.130(H) |
| Vehicle overhang | Up to 2' overhang into landscaping/walkways with conditions (6' min width, 90° stalls, no obstructions, etc.) | Chapter 17.34 districts | § 17.34.130(I) |
| Mechanical equipment screening | Acoustically shield and screen from streets/properties; ground units with solid wall/fence or landscaping | Citywide via § 17.14 | § 17.14.240 |
Practical guidance
- Design parking edges first. In Orange’s mixed-use districts, the 10-foot street-edge planter and 36-inch screening are non-negotiable drivers of site layout (§ 17.19.160(C)(3)(a)).
- Don’t forget tree math. For mixed-use projects, the interior requirement of 1 tree per 4 spaces plus perimeter/streetscape spacing (1 per 30 LF, or 1 per 20 LF for private-property street trees) will determine planter count and spacing (§ 17.19.160(C)(1), (3), (5)).
- If your chapter points to Chapter 16.50, assume the City will review species, irrigation, soil volumes, and spacing against those standards and the Street Tree Master Plan (§ 17.14.210, § 17.20.120, § 17.22.110, § 17.24.090, § 17.34.190, § 17.19.160(C)(5)).
- Historic resources follow different rules. If your site is in the City’s Historic Resources Inventory or eligible, mixed-use landscaping standards do not apply; coordinate early with Historic Preservation (§ 17.19.160(A)(3)).
Checklist
- Confirm which zoning chapter governs your site and whether mixed-use standards in § 17.19.160 apply.
- If applicable, prepare a landscape plan by a qualified professional (licensed landscape architect, architect, licensed landscape contractor, certified nurseryman, or other qualified professional) (§ 17.19.160(B)(3)).
- Show all setback/open areas landscaped; provide street-adjacent setback trees at 1 per 30 LF with correct container sizes (§ 17.19.160(C)(1)).
- For surface parking abutting a street: provide a minimum 10 ft perimeter landscape strip, tree spacing 1/30 LF, and maintain screening at about 36 in high; non-tree plants in minimum 5-gallon containers (§ 17.19.160(C)(3)(a)).
- For interior parking: provide one tree per four spaces in planters with a minimum 5 ft interior dimension; landscape all aisle ends; specify trees as minimum 24-inch box (§ 17.19.160(C)(3)(b)).
- If applicable under Chapter 17.34, demonstrate at least 10% of parking lot area is landscaped, with curbed planters/islands minimum 4 ft wide and distributed through the lot (§ 17.34.130(H)).
- If using vehicle overhang into landscape/walkways, verify all five conditions for the 2 ft allowance (§ 17.34.130(I)).
- Provide street trees per the Street Tree Master Plan and § 17.19.160(C)(5); if parkway is infeasible, place canopy trees on private property within 10 ft of street lines at 1 per 20 LF unless adjusted by the Director.
- Screen all mechanical/pool equipment from streets and adjacent properties with a solid wall, solid fence, or sufficient landscaping; address acoustic shielding (§ 17.14.240).
- If expanding an existing site in a mixed-use district, apply standards to the greatest extent feasible as directed by the Community Development Director (§ 17.19.160(A)(2)).
Risks & Ambiguities
| Issue | Why it matters | What to verify |
|---|---|---|
| Which district/chapter governs a site | Standards vary: mixed-use has prescriptive numbers, others defer to Chapter 16.50 | Confirm the property’s zoning and applicable chapter on the Orange Land Use and Zoning maps |
| Scope of Chapter 16.50 | Many chapters rely on Chapter 16.50 for technical standards | Obtain the current City of Orange Landscape Standards and Specifications (OMC Ch. 16.50) referenced in §§ 17.14.210, 17.20.120, 17.22.110, 17.24.090, 17.34.190 |
| District titles for Chapters 17.18 and 17.34 | The source materials do not identify the district names | Not found in source materials. Verify with the jurisdiction |
| “Sufficient landscaping” for mechanical screening | Flexibility can lead to redesigns if not aligned with staff expectations | Confirm height, opacity, and species mix with Planning Division per § 17.14.240 |
| Street tree species/spacing conflicts | Utility conflicts may alter spacing | Use the Street Tree Master Plan and seek Director approval for alternative spacing under § 17.19.160(C)(5)(b) |
| Applying “to the greatest extent feasible” on expansions | Scope of upgrades can impact budgets | Discuss extent of required retrofits with the Community Development Director per § 17.19.160(A)(2) |
| Counting “parking lot area” for 10% rule | Definitions affect landscape square footage calculations | Align lot-area methodology and curb-to-curb boundaries with staff under § 17.34.130(H) |
Plain-English Summary
Orange expects landscaped setbacks and street trees, and treats parking lots as mini-parks with trees, planters, and low screens. If your parking touches a street, plan for a 10-foot landscape strip, 3-foot-high screening, and shade trees; inside the lot, plant one tree for every four spaces. Many chapters also require a minimum 10% of parking-lot area be landscaped. Enclose or screen all mechanical equipment so it’s not visible from the street.
Source References
- Orange Zoning Code § 17.19.160 (Landscaping in mixed-use districts)
- Orange Zoning Code § 17.34.130(H)–(I) (Parking lot landscaping; vehicle overhang)
- Orange Zoning Code § 17.34.190 (Landscaping per Chapter 16.50)
- Orange Zoning Code § 17.14.210 (Landscaping per Chapter 16.50)
- Orange Zoning Code § 17.22.110 (Landscaping per Chapter 16.50)
- Orange Zoning Code § 17.24.090 (Landscaping per Chapter 16.50)
- Orange Zoning Code § 17.20.120 (Landscaping per Chapter 16.50)
- Orange Zoning Code § 17.18.160 (Landscaping — site-specific requirements)
- Orange Zoning Code § 17.14.240 (Screening of mechanical equipment)
Information Gaps
- District names and boundaries for Chapters 17.18 and 17.34: Not found in source materials.
- Full content of Chapter 16.50 (Landscape Standards and Specifications): Not found in source materials.
- Complete list of districts that fall under “mixed-use zoning districts” in § 17.19.160: Not found in source materials.
Sources
Source passages
- Orange Zoning Code (§ 17.19.160) Medium relevance
- Orange Zoning Code (§ 17.34.190) Medium relevance
- Orange Zoning Code (§ 17.14.210) Medium relevance
- Orange Zoning Code (§ 17.22.110) Medium relevance
- Orange Zoning Code (§ 17.24.090) Medium relevance
- Orange Zoning Code (§ 17.20.120) Medium relevance
- Orange Zoning Code (§ 17.18.160) Medium relevance
- Orange Zoning Code (§ 17.34.130) Medium relevance
- Orange Zoning Code (§ 17.14.240) Medium relevance
Cited sections
- Orange Zoning Code § 17.19.160 (Landscaping in mixed-use districts) (§ 17.19.160)
- Orange Zoning Code § 17.34.130(H)–(I) (Parking lot landscaping; vehicle overhang) (§ 17.34.130)
- Orange Zoning Code § 17.34.190 (Landscaping per Chapter 16.50) (§ 17.34.190)
- Orange Zoning Code § 17.14.210 (Landscaping per Chapter 16.50) (§ 17.14.210)
- Orange Zoning Code § 17.22.110 (Landscaping per Chapter 16.50) (§ 17.22.110)
- Orange Zoning Code § 17.24.090 (Landscaping per Chapter 16.50) (§ 17.24.090)
- Orange Zoning Code § 17.20.120 (Landscaping per Chapter 16.50) (§ 17.20.120)
- Orange Zoning Code § 17.18.160 (Landscaping — site-specific requirements) (§ 17.18.160)
- Orange Zoning Code § 17.14.240 (Screening of mechanical equipment) (§ 17.14.240)
Frequently asked questions
How wide must the landscaped strip be when a surface parking lot in Orange abuts the street?
In mixed-use districts, provide a minimum 10-foot-wide perimeter landscape strip between the street right-of-way and the parking area, excluding car overhangs (§ 17.19.160(C)(3)(a)(i)). Maintain a roughly 36-inch-high screen and plant trees at 1 per 30 linear feet (§ 17.19.160(C)(3)(a)(ii)–(iii)).
How many trees are required inside a parking lot in Orange?
In mixed-use districts, provide one tree for every four parking spaces, with trees in planters bounded on at least three sides by paving and planters at least 5 feet interior dimension (§ 17.19.160(C)(3)(b)(i)). All parking-area trees must be at least 24-inch box at planting (§ 17.19.160(C)(3)(b)(ii)).
Does Orange require a minimum percentage of parking lot area to be landscaped?
Yes. In the Chapter 17.34 districts, at least 10% of the parking lot area must be landscaped, with curbed planters/islands at least 4 feet wide and landscaping distributed throughout the lot (§ 17.34.130(H)). Confirm applicability to your site’s zoning.
Do I need a licensed professional to prepare my landscape plan in Orange?
For mixed-use districts, the landscape plan must be prepared by a qualified professional (e.g., California licensed landscape architect, architect, licensed landscape contractor, certified nurseryman, or other qualified professional) and is reviewed by the Planning Division (§ 17.19.160(B)(3)–(4)).
What street tree spacing is required along a project frontage?
Street trees are required and approved through design review based on the City’s Street Tree Master Plan (§ 17.19.160(C)(5)(a)). If parkway planting isn’t feasible, place canopy-type shade trees on private property within 10 feet of street property lines at a rate of at least one per 20 linear feet, unless the Director approves alternative spacing due to conflicts (§ 17.19.160(C)(5)(b)).
Are historic properties in Orange subject to the mixed-use landscaping standards?
No. Properties recognized as historic or eligible for listing in the City’s Historic Resources Inventory are exempt from the mixed-use landscaping section (§ 17.19.160(A)(3)). Coordinate with Historic Preservation for applicable guidance.
How do I screen ground-mounted mechanical equipment?
Acoustically shield and architecturally screen it from view from adjacent streets and properties using a solid wall, solid fence, or sufficient landscaping; otherwise enclose it within a building (§ 17.14.240).
Can I count a 2-foot vehicle overhang into my stall depth over landscaping?
Yes, if you meet all conditions: the landscape/walkway is at least 6 feet wide, there’s no travel lane on the opposite side of the walkway, stalls are 90 degrees, the overhang area has only low groundcover (no trees/shrubs/utilities), and walkway clearance is preserved (§ 17.34.130(I)).
What triggers landscaping upgrades when expanding an existing site?
In mixed-use districts, expansions to existing developments must comply with § 17.19.160 to the greatest extent feasible, as determined by the Community Development Director (§ 17.19.160(A)(2)). Changes of use and interior tenant improvements are exempt.
General information, not legal advice.
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