Ione — Landscaping and Screening

Last reviewed: July 2, 2026

Overview

This page summarizes what the City of Ione's Zoning Code (Title 17) actually requires for landscaping and screening — fences, walls, planting, parking-lot buffers, and special screening between uses. It is strictly limited to the Zoning Code requirements (Title 17) as adopted by Ordinance No. 528; it does not cover building-code (Title 24) or permit intake procedures. See the city's general zoning menu for related topics: Ione Zoning and Ione Development Standards for context. The code's specific fence/wall rules are found in Chapter 17.36; parking and screening rules live in the development standards chapters (e.g., § 17.22.040 and § 17.24.040).

What the code requires (quick summary)

• Routine fence/wall location, height limits and materials standards are in § 17.36.010–.050 (Fences and Walls). Site-plan review is required for many fences; some residential fences are treated as exempt if they comply with the chapter.
• Commercial and industrial uses adjacent to residential or agricultural zones must provide a solid masonry screening wall (min. 6 ft) plus a landscaping strip (min. 5 ft) on the commercial/industrial side unless waived by the decision-making authority. See § 17.36.050.E.1–.3.
• Parking-lot screening from public frontages must be accomplished by building placement, landscaping, earth berms, planted fencing or combination. When landscaping is used it must generally be at least 15 ft wide and at least 4 ft tall (measured from curb/back of sidewalk to paving). See the development standards discussion under § 17.22.040 (site design / parking screening).
• Loading docks, refuse and outdoor storage areas for commercial/industrial uses must be screened from public view; the code recommends architecturally compatible walls, fences, vegetation or berms; exceptions possible through site plan review for unusual sites. See § 17.36.050.F and related development standards.
• Wireless communication facilities must submit screening/landscaping plans as part of the permit application and the chapter includes minimum planting/installation detail (trees, shrubs, irrigation) as part of the wireless standards (Chapter 17.210). See § 17.210.040.D and the landscaping provisions within Chapter 17.210.

Because landscaping and screening interact with many other standards, also check Ione Parking, Ione Design Review, Ione Overlay Districts, and Ione ADUs where relevant.

District-by-district breakdown

Below are the base zoning districts named in Table 17.20.020-1; for each I list the zoning purpose (from the Code), typical permitted/use notes that affect screening/landscaping, and the key development standards that drive landscape/screening decisions (setbacks, lot types). All district names below are bold as used in the Code.

Note on approach: the City separates (A) agricultural/residential standards (Table 17.22.040-1), (B) commercial/industrial standards (Table 17.24.040-1), and (C) public/quasi-public standards (Table 17.25.040-1). Where screening rules are district-specific the Code either cross-references the fences/walls chapter or notes increased setbacks when abutting residences (e.g., 25‑ft rear yard in commercial when abutting residential). See the cited § below for each district.

A (Agricultural)

• Purpose: preserve agricultural uses and low-intensity open land. Typical uses: crops, limited farm buildings.
• Screening/landscape implications: agricultural fences for livestock have special requirements (adequate height, containment) and open-view fence exceptions in front yards permitted up to six feet in some cases; see § 17.36.030 and special fencing rules in § 17.36.050.C.

R-1a / R-1b / R-1c (Single-family)

• Purpose/uses: single-family dwelling variants (low- to rural-density). Typical landscaped front yards and permitted residential fences.
• Key standards: front setbacks (20–25 ft depending on subzone) and side/street-side rules that affect where fences may be sited. Fences in front yards limited to 4 ft; rear/interior side yards allow 6 ft maximum (see Table 17.36.030-1 under § 17.36.030).

R-2 / R-3 / R-4 (Multifamily)

• Purpose/uses: limited to high-density multiple-family uses in R-3/R-4. Multifamily projects have specific landscape/open-space requirements (e.g., minimum landscaped share of open space, shading requirements). See Chapter 17.114 and multifamily site-design items in § 17.22.040. Screening between parking and streets and between multifamily and single-family zones is addressed through site design and the fences chapter.

MP (Mobile Home Park)

• Purpose/uses: mobile home communities; development standards include setbacks and internal landscaping/parking requirements; fences internal to parks are regulated under accessory standards. See Table 17.22.040-1 (development standards).

C-T / C-1 / C-2 / C-3 / BP (Commercial / Transition / Downtown)

• Purpose/uses: range of commercial activity from transition/downtown (C-T/C-2) to heavier commercial (C-3). For downtown overlays follow historic overlay rules (see § 17.28.020) which emphasize design and may supersede some base zoning standards.
• Key standards: front/street-side setbacks are generally smaller in commercial zones, but the Code requires screening of parking from public frontages; landscaping buffers of 15 ft width and 4 ft height apply when landscaping is used for screening of parking lots (see § 17.22.040 (site design/parking screening)). If a commercial lot abuts residential, a 25‑ft rear yard or screening may be required as noted in Table 17.24.040-1 notes.

M-1 / M-2 (Industrial)

• Purpose/uses: light and heavy industrial uses. The Code requires screening of outdoor storage, loading docks, refuse, and some vehicle-storage areas from public streets and adjacent residential/agricultural zones; screening must be architecturally compatible and can include planting, walls, berms or combination; see § 17.36.050.A, .E, .F.

O‑S, PCS, PF (Open space / Parks / Public Facilities)

• Purpose/uses: parks, passive open space, public facilities. Landscaping expectations may be higher (open-space/landscape areas are defined in the Code). Development standards (setbacks/heights) are in Table 17.25.040-1; screening requirements default to the fences/walls chapter when needed.

S-P (Specific Plan) and P-D (Planned Development)

• Purpose/uses: site-specific planning documents; when adopted, the specific plan or planned development master plan sets landscaping / fencing standards — they can override or supplement Title 17. If a P-D is silent, the equivalent base zone standards apply. See § 17.26.030 and the planned development provisions.

H (Historic Overlay)

• Purpose/uses: special design and signage rules for downtown historic district; architectural design review required for development and redevelopment — screening methods in historic areas may be constrained by design-review requirements. See § 17.28.020 and the design-review cross-references.

Decision‑relevant standards (table)

Practical guidance / synthesis (how these rules work in practice)

• If you are designing a residential fence, start by identifying the yard type (front, street-side, side, rear). The 4 ft front / 6 ft rear rule in § 17.36.030 controls, and finished grade matters for height measurement (see measurement rules in the same section). If your lot is a "key lot" (front yard on one side and rear on the other), a 6‑ft fence may be allowed between a front yard and an adjacent rear yard — check § 17.36.030.
• For commercial or industrial properties next to housing or agricultural land, plan for a masonry wall plus planting — the Code prefers a 6‑ft masonry wall + 5‑ft landscape strip unless the decision-making authority waives it (§ 17.36.050.E). If you cannot fit 5 ft of planting (e.g., very shallow lot), expect to present alternatives and justify them at site plan review.
• For parking screening, the Code is explicit that landscaping used to screen parking from the street should be substantial — 15 ft wide / 4 ft tall is the typical baseline; designers frequently achieve this with a planting strip + low wall or berm. Expect this to be enforced through site plan review and Ione Parking checks.
• Materials matter: the Code bans corrugated sheet metal and concertina wire except for certain agricultural/industrial uses and requires graffiti-resistant treatment for masonry where appropriate — reference § 17.36.040. Plan for attractive, maintainable plantings and irrigation to meet maintenance expectations in the Code (maintenance requirements for walls/fences in § 17.36.050.H).
• If your project triggers design review (for example, projects in the historic overlay must undergo architectural design review), screening choices may be constrained by the design-review process — consult Ione Design Review and § 17.28.020 for the Historic Overlay.

Checklist

• Confirm base zone (A, R-1a, R-2, C-1, M-1, etc.) from the City zoning map; review Table 17.20.020-1.
• Check applicable development standards table for your zone (Table 17.22.040-1 for agricultural/residential or Table 17.24.040-1 for commercial/industrial).
• For fences/walls: confirm allowed maximum height by yard type and measure from finished grade (§ 17.36.030).
• If commercial/industrial adjacent to residential/agricultural: design 6‑ft masonry wall + 5‑ft landscape strip, or prepare justification/alternative for site-plan review (§ 17.36.050.E).
• For parking/lot screening: provide 15‑ft wide planting area and landscaping detail to achieve 4 ft plant height (or equivalent berm/fence) per § 17.22.040.
• For loading docks/refuse/outdoor storage: include screening method and materials in plans per § 17.36.050.F.
• Prepare maintenance plan (irrigation, plant sizes, replacement strategy) where required (Chapter 17.210 requires maintenance plans for wireless facilities and the Code expects maintenance for fences/walls).
• Check if the parcel is inside the Historic Overlay (H) or any P‑D/S‑P overlay that changes design/landscaping rules; if so, include design-review submittal materials per § 17.28.020 and Ione Overlay Districts.

Risks & Ambiguities

Plain‑English summary

Ione's zoning code limits front-yard fences to 4 ft and rear/side fences to 6 ft, requires attractive, durable materials, and specifically requires stronger screening where commercial/industrial uses meet residential — usually a 6‑ft masonry wall plus a 5‑ft planting strip; parking lots should be screened using a substantial planting strip (about 15 ft wide and 4 ft tall) or an equivalent berm/wall. All of these rules are enforced through the zoning chapters cited below and through the city's site-plan/design-review process — verify details with planning staff for site‑specific waivers.

Source References

• Title 17 — Zoning Code (Ione, Ord. No. 528): general title & adoption notes (Title 17 establishment) — § 17.04.010–.030.
• Zoning districts and table (Table 17.20.020-1) — § 17.20.020 (Zoning Districts / Table 17.20.020-1).
• Development Standards for agricultural/residential zoning districts — § 17.22.040 (Table 17.22.040-1) and site design / parking screening text within § 17.22.040.
• Development Standards for commercial/industrial zoning districts — § 17.24.040 (Table 17.24.040-1).
• Fences and Walls chapter — § 17.36.010–.050 (purpose, permit, location/height, design, special requirements including masonry wall + planting and screening of loading docks/refuse).
• Accessory Structures and measurement rules affecting fences and accessory elements — Chapter 17.38 (relevant accessory and development standards).
• Wireless communication facility screening/landscaping & application requirements — § 17.210.030–.080 and § 17.210.040.D (landscaping/screening plan requirements and planting examples in Chapter 17.210).
• Historic Overlay standards and required design review — § 17.28.020 (Historic Overlay H).

If you need the exact table rows or the full printed code language for any cited §, I can extract the relevant snippet and format it for permitting use or for inclusion in your application packet (e.g., drawings that show how grade is measured for fence height).

Retrieved passages

• CFC § 528 (section is) High relevance show source text
• Ione Zoning Code (Chapter 17.36) High relevance show source text
• Ione Zoning Code (Section 17.300.020) High relevance show source text
• Ione Zoning Code (Section 17.300.020) High relevance show source text
• CBC § 528 High relevance show source text
• CWUIC § 65850.6 (Title 24) Medium relevance show source text
• Ione Zoning Code (Section 17.26.030) Medium relevance show source text
• Ione Zoning Code (Chapter 17.26) Medium relevance show source text
• Ione Zoning Code (Title 17) Medium relevance show source text
• Ione Zoning Code Medium relevance show source text
• Ione Zoning Code (§ 2) Medium relevance show source text
• Ione Zoning Code (Chapter 17.04) Medium relevance show source text
• Ione Zoning Code Medium relevance show source text
• Ione Zoning Code Medium relevance show source text
• Ione Zoning Code (title shall) Medium relevance show source text
• Ione Zoning Code (section shall) High relevance show source text
• Ione Zoning Code Medium relevance show source text
• Ione Zoning Code (Chapter 12.08) Medium relevance show source text
• Ione Zoning Code (chapter are) Medium relevance show source text
• Ione Zoning Code (chapter are) Medium relevance show source text
• Ione Zoning Code (section describes) Medium relevance show source text
• Ione Zoning Code Medium relevance show source text
• Ione Zoning Code Medium relevance show source text
• Ione Zoning Code Medium relevance show source text

Cited sections

• Title 17 — Zoning Code (Ione, Ord. No. 528): general title & adoption notes (Title 17 establishment) — § 17.04.010–.030. (Title 17)
• Zoning districts and table (Table 17.20.020-1) — **§ 17.20.020** (Zoning Districts / Table 17.20.020-1). (§ 17.20.020)
• Development Standards for agricultural/residential zoning districts — **§ 17.22.040** (Table 17.22.040-1) and site design / parking screening text within **§ 17.22.040**. (§ 17.22.040)
• Development Standards for commercial/industrial zoning districts — **§ 17.24.040** (Table 17.24.040-1). (§ 17.24.040)
• Fences and Walls chapter — **§ 17.36.010–.050** (purpose, permit, location/height, design, special requirements including masonry wall + planting and screening of loading docks/refuse). (§ 17.36.010)
• Accessory Structures and measurement rules affecting fences and accessory elements — Chapter **17.38** (relevant accessory and development standards).
• Wireless communication facility screening/landscaping & application requirements — **§ 17.210.030–.080** and **§ 17.210.040.D** (landscaping/screening plan requirements and planting examples in Chapter 17.210). (§ 17.210.030)
• Historic Overlay standards and required design review — **§ 17.28.020** (Historic Overlay H). (§ 17.28.020)
• Ione_ZoningCode.md

• Official Ione code library