Local zoning · Gustine

Gustine — Landscaping and Screening

Landscaping and Screening under the Gustine local zoning and planning code, with the controlling citations.

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Last reviewed: July 2, 2026

Overview

This page summarizes what the Gustine Zoning and Subdivision Code requires for landscaping and screening (including buffers, fences, walls, and trees). It interprets the city code’s layout, application, and the practical rules you’ll use when planning a project in Gustine. Where the code gives district-level development standards those are noted; where the code text in the supplied materials does not show a numeric standard I note that explicitly and tell you where to verify.

(Links: the city treats landscaping and screening as site-planning standards; see the city’s pages for broader context on Gustine Zoning, Gustine Land Use, and the Gustine Development Standards. This page also references Gustine procedures such as design review, on-site parking landscaping rules, overlay districts, and ADUs. If you will need a building permit or pool barrier, consult the California Building Standards Code.)

Key rules and where they live (plain-English synthesis)

  • Fences, walls, and screening are regulated by § 4-30-030 (Fences, Walls, and Screening). The code limits heights by setback location and identifies screening requirements between nonresidential uses and adjacent residential zones; measurement rules and prohibited fence materials are spelled out there. (§ 4-30-030)

  • Screening walls between commercial/industrial uses and residential zones are expected to be a combination of plant materials plus a solid decorative masonry wall generally 6 ft high (with up to 8 ft possible where the height-table and review authority allow), and require a landscape strip adjacent to the wall (typically 5 ft; 10 ft between parking and a screening wall). (§ 4-30-040.F / § 4-30-040)

  • Landscaping design standards (materials, widths, plant sizes, turf limits, irrigation) are in Chapter 4-34. The code requires Preliminary and Final Landscape Plans prepared by a qualified professional for most new nonresidential and multi-family projects; irrigation systems are required except for approved native/unaltered areas. (§ 4-34-030; § 4-34-050)

  • Parking-lot landscape minimums and tree-spacing requirements are explicit: interior parking landscaping minimum ratios (e.g., 10% of gross parking area for multi‑family/commercial/office; 6% for industrial), one shade tree per three parking spaces (commercial) or one per 10 (industrial), and perimeter planting-strip widths (varies by adjacency). (§ 4-34-040.C; § 4-34-050)

  • The Director has discretion to approve alternatives, waive requirements, or require maintenance guarantees (performance surety at 150% of landscape value for two years when imposed). (§ 4-34-030.E; § 4-34-030.G)

District-by-district breakdown (what the ordinance shows about landscaping/screening in each code district)

Note: the Gustine code organizes district-specific development standards in Article 2; the city’s landscaping/screening rules live in Article 3 and apply in combination with district standards. Where the uploaded materials list district names and tables I cite the specific place shown; where numeric district standards are not contained in the retrieved snippets I note that and point to the controlling code reference to verify.

Residential districts — R-1, R-2, R-3, R-4 (general)

  • Purpose & typical uses: single-family and multi-family residential uses; specific use lists and permit triggers are in Chapter 4-22. See the Residential districts chapter for exact permitted uses. (§ 4-22.*)
  • Landscaping / screening: Required setback and open-space areas must be landscaped unless retained in natural state or the Director decides otherwise; landscape width minimums for landscaped areas in residential districts are stated in § 4-34-050 (minimum interior width 10 ft for residential and commercial landscaped areas). Street‑setback planting, tree spacing, and the 36‑inch maximum sight‑line rule also apply in residential settings. (§ 4-34-040.A; § 4-34-050.A.2–3)
  • Key dimensional standards: Specific front/side/rear setbacks and lot coverage for R‑districts are set in Chapter 4-22 (the table for each R‑zone); those numeric values are not fully reproduced in the supplied snippets — Verify with the jurisdiction (see § 4-22 and Table(s) in Article 2). (§ 4-22.*)

Planned Development — P‑D

  • Purpose & typical uses: flexible, planned neighborhoods; a Master Plan or Precise Development Plan defines allowable uses and standards for each P‑D tract. (§ 4-22-050)
  • Landscaping / screening: P‑D projects must comply with Chapter 4‑34 landscaping standards and the P‑D plan typically identifies tree corridors, street trees, buffers, and landscape‑open space requirements; landscape details (planting sizes, irrigation, maintenance) follow § 4‑34. (§ 4-22-050; § 4-34-030 / § 4-34-050)

Commercial districts — C‑N, C‑O, C‑1, C‑2, C‑H

  • Purpose & typical uses: neighborhood, office, downtown, general commercial and highway commercial — see Sec. 4‑24‑040 and the district development tables for permitted uses and dimensional standards. (§ 4-24-040; Tables 2‑5/2‑6)
  • Landscaping / screening: Nonresidential parking areas adjoining streets must provide a planting strip equal to the district setback or 15 ft, whichever is more; parking adjacent to residences requires a minimum 10 ft landscaped buffer plus a solid masonry wall or fence as needed. Interior parking landscaping minimums and tree rates apply (see parking rules below). (§ 4‑34‑040.C.4.a–d)

Industrial / Manufacturing — I, M, Controlled Industrial (I) (as listed)

  • Purpose & typical uses: industrial and manufacturing uses; additional standards (e.g., masonry construction for primary structures) appear for certain industrial districts. (§ 4-26.*)
  • Landscaping / screening: industrial sites adjacent to residential zones must provide screening (planting + decorative wall or fence) and parking lot landscape percentages differ (industrial: 6% interior parking landscaping; tree rates differ: 1 tree per 10 parking spaces). (§ 4‑34‑040.C; § 4‑34‑050)

Airport district — AP

  • Purpose & typical uses: airport‑related uses; the review authority sets setbacks, lot sizes, heights and landscaping through approvals and must comply with Merced County Airport Land Use Plan. Landscaping/screening specifics are project‑by‑project as determined by the review authority. (§ 4-26-070)

Public/Institutional — P‑I

  • Purpose & typical uses: public and institutional facilities; landscaping/screening to be set by review authority where indicated; generally subject to Chapter 4‑34. (§ 4-26-080; § 4‑34)

If you need exact numeric setbacks, lot coverage, or maximum heights for a specific zoning district (for example the exact front‑yard width in R‑1), verify the Article 2 district table for that zone (see the Gustine district tables referenced by Sec. 4‑22, 4‑24, 4‑26, etc.). Not found in retrieved materials for every R‑zone numeric table — Verify with the jurisdiction. (§ 4‑22; § 4‑24)

Quick reference table — most decision‑relevant standards

Requirement / Use Rule (plain English) Code Reference
Maximum fence/wall in front/street setback Generally limited by the district structure height; typical maximum within front/street side setbacks is 3 ft for certain visibility areas; see Table 3‑1 for details. § 4-30-030; Table 3‑1
Maximum fence/wall in side/rear setback 7 ft maximum (open design above 6 ft may allow up to 8 ft in some cases); taller or longer walls may trigger Architectural Review. § 4-30-030; Notes (Table 3‑1)
Screen between commercial/industrial and residential Screen = plant materials + solid decorative masonry wall, normally 6 ft high; up to 8 ft possible with review/height rules; 5 ft landscaping strip adjacent to wall (10 ft where parking adjoins). § 4-30-040.F; § 4-30-040.D.4.d
Parking lot interior landscaping Multi‑family/commercial/office: 10% of gross parking lot area; 1 shade tree per 3 spaces. Industrial: 6%, 1 tree per 10 spaces. § 4-34-040.C.5; § 4-34-050.B
Perimeter parking landscaping Adjacent to street: planting strip equal to setback or 15 ft, whichever is greater; screen cars to 36 in minimum height. § 4-34-040.C.4.a
Tree size at planting Trees: not less than 15‑gallon containers; specimen shrubs 5‑gallon minimum; mass planting 6‑inch pots. § 4-34-050.B.1
Turf limits Turf limited to 50% of total landscaped area (with Director approval based on water efficiency); no turf strips < 10 ft wide. § 4-34-050.B.4
Irrigation Automatic irrigation required except for approved unirrigated native plant areas; water‑efficient systems and controllers required. § 4-34-050.C
Landscape plans & surety Preliminary & Final Landscape Plans are required for most projects; Director may require a performance surety equal to 150% of installation & maintenance value for 2 years. § 4-34-030.A–E
Prohibited fence materials Barbed wire/electric fences generally prohibited; razor wire prohibited except limited M/I district approvals; chain link without slats restricted. § 4-30-030.E

Practical guidance (plain English, from the code)

  • If your project is nonresidential or multi‑family, plan on submitting a Preliminary Landscape Plan with your land‑use application and a Final Landscape Plan before building permits will be issued; these must be prepared by a qualified landscape professional unless the Director allows otherwise. (§ 4‑34‑030.A–D)

  • Use trees to meet parking lot shading and perimeter buffer standards — the code requires one shade tree per 3 spaces for commercial parking and spacing rates for perimeter strips; provide root barriers where planters adjoin structures. (§ 4‑34‑040.C.5; § 4‑34‑050.B)

  • For commercial or industrial sites next to residences, expect to provide a landscape buffer + solid wall/fence at the property line; the review authority can approve alternatives if they meet the intent. Always show the proposed wall and adjacent planting on the landscape plan; the code requires a 5‑ft planting strip adjacent to screening walls (10‑ft if the wall separates parking). (§ 4‑30‑040.F; § 4‑30‑040.D.4.d)

  • If you want a fence/wall taller than the table‑maximums (for example a long 8‑ft wall), plan on Architectural Review and possibly a Building Permit if taller than 6 ft. The Director/Commission has explicit discretion to approve height exceptions via Use Permit/Architectural Review. (§ 4‑30‑030.B; § 4‑52‑020)

  • The city emphasizes water‑efficient landscaping (hydrozones, native preservation), limits turf, requires irrigation controllers and may require moisture/rain sensors on larger projects—design your plan for low water demand to avoid Director‑required changes. (§ 4‑34‑050.A; § 4‑34‑050.C)

Checklist (what an applicant must satisfy)

  • Submit a Preliminary Landscape Plan with land‑use application if project is new or a major expansion. (§ 4‑34‑030.A)
  • Provide Final Landscape & Irrigation Plan before Building Permit issuance; prepared by qualified professional. (§ 4‑34‑030.B–C)
  • Show screening/wall/fence details where nonresidential adjoins residential: wall type, height, planting strip (5 ft/10 ft where required). (§ 4‑30‑040.F.1.d)
  • Comply with parking lot landscape ratios and tree counts (10% / 6% and tree rates). (§ 4‑34‑040.C.5)
  • Ensure front/street side landscaping complies with setback plantings and the 36‑inch low‑screen rule and 8‑ft minimum canopy clearance where applicable. (§ 4‑34‑040.C.4.a; § 4‑34‑050.A.3)
  • Avoid prohibited fence materials or get Director/ARC approval if proposing them. (§ 4‑30‑030.E)
  • Plan for irrigation controls and water‑efficient systems; show hydrozones on the plan. (§ 4‑34‑050.C; § 4‑34‑050.A.1)
  • Be ready for performance guarantee (150% for two years) if the Director requires it. (§ 4‑34‑030.E)

Risks & Ambiguities

Issue Why it matters What to verify
Exact district numeric standards for specific R‑zones (setbacks, lot coverage, heights) District tables in Article 2 control whether a fence or planting is inside a setback and which height table applies. Article 2 district tables (Chapter 4‑22 for residential, 4‑24 for commercial) — verify numeric values for your parcel; not all numeric R‑zone tables were included in retrieved snippets. (§ 4‑22; § 4‑24)
Tree species & overhead utilities Mature canopy and root spread can conflict with sight lines and utilities; the code forbids plantings that create sight obstructions. Choose species with appropriate mature height and root behavior; verify overhead/underground utility locations and coordinate with the Public Works Director where easements exist (§ 4‑34‑050.A.5; § 4‑34‑040.A.4).
When screening can be waived or substituted The Director/review authority can waive or allow alternatives based on site constraints or compatibility. If you propose a nonstandard screen (e.g., berm or open fence), request pre‑application meeting and document why the alternative meets intent. See § 4‑30‑040.F.1.e.

Plain‑English Summary

Gustine requires landscape plans and sets minimum planting widths, tree sizes, turf limits, and irrigation standards for most new projects; fences and screening are limited by defined height tables and special screening rules apply where commercial/industrial sites meet residential zones (planting plus a masonry wall typically ~6 ft high). Prepare a Preliminary and Final Landscape and irrigation plan and expect the Director to review and possibly require surety or architectural review for taller/longer walls. (§ 4‑34‑030; § 4‑34‑050; § 4‑30‑030; § 4‑30‑040)

Source References

  • Gustine Zoning and Subdivision Code — Fences, Walls, and Screening, Sec. 4‑30‑030 (§ 4-30-030)
  • Gustine Zoning and Subdivision Code — Height Limits & Screening (screening wall height, adjacent landscaping), Sec. 4‑30‑040 (§ 4-30-040)
  • Gustine Zoning and Subdivision Code — Landscape location requirements, Sec. 4‑34‑040 (§ 4-34-040)
  • Gustine Zoning and Subdivision Code — Landscape standards (design, plant materials, trees, turf, irrigation), Sec. 4‑34‑050 (§ 4-34-050)
  • Gustine Zoning and Subdivision Code — Landscape & irrigation plans, surety, Sec. 4‑34‑030 (§ 4-34-030)
  • Gustine Zoning and Subdivision Code — Commercial district development standards, tables, Sec. 4‑24‑040 (Tables 2‑5/2‑6) (§ 4-24-040)
  • Gustine Zoning and Subdivision Code — P‑D district, Sec. 4‑22‑050 (§ 4-22-050)

Sources

Retrieved passages

  • Gustine Zoning Code (ARTICLE 3) High relevance
  • Gustine Zoning Code (ARTICLE 3) High relevance
  • Gustine Zoning Code (Section 4-34050.B.2.d) High relevance
  • Gustine Zoning Code (ARTICLE 3) High relevance
  • CBC § 4 (ARTICLE 3) High relevance
  • Gustine Zoning Code (ARTICLE 3) High relevance
  • Gustine Zoning Code (Chapter expands) High relevance
  • Gustine Zoning Code (Chapter shall) High relevance
  • Gustine Zoning Code (Section 4-30-040.E) High relevance
  • Gustine Zoning Code (ARTICLE 3) High relevance
  • CWUIC § 65850.6 (Title 24) High relevance
  • Gustine Zoning Code Medium relevance
  • Gustine Zoning Code Medium relevance
  • Gustine Zoning Code (ARTICLE 5) Medium relevance

Cited sections

Frequently asked questions

Do I need a landscape plan for a single‑family home in Gustine?

If your work is a new single‑family development of five or more parcels or a new nonresidential or multi‑family project you must submit a Preliminary Landscape Plan with land‑use approvals and a Final Landscape Plan before building permit issuance; for single family alterations the Director may require landscaping as a condition of approvals for changes — check § 4‑34‑030. (§ 4-34-030)

What is the maximum allowed height for a fence in the rear yard?

The code’s Table 3‑1 sets typical maxima: fences/walls within a side or rear yard are generally allowed to 7 ft (open portions above 6 ft can allow total up to 8 ft with conditions); see § 4‑30‑030 for measurement rules, exceptions and Architectural Review triggers. (§ 4-30-030)

If I run a business next to homes, what screening must I provide?

A commercial or industrial use adjacent to residential zones must provide screening at the parcel boundary made up of plant materials plus a solid decorative masonry wall (normally 6 ft high; up to 8 ft in some cases) and a planting strip beside the wall (5 ft, or 10 ft where parking is next to the wall). See § 4‑30‑040(F). (§ 4-30-040)

How much landscaping is required inside a parking lot?

Multi‑family/commercial/office parking lots must provide landscaping equal to 10% of the gross parking area with one shade tree per three parking spaces; industrial parking must provide 6% landscaping and one tree per 10 spaces. See § 4‑34‑040.C.5 and § 4‑34‑050. (§ 4-34-040; § 4-34-050)

Can I use chain link or barbed wire for a commercial fence?

Barbed wire and electrified fences are generally prohibited except where authorized by the Director within certain industrial zones; razor wire is prohibited except where specifically authorized. Chain link without slats is limited and may require approval by the Architectural Review Committee in some districts. See § 4‑30‑030.E. (§ 4-30-030)

Do I need irrigation for the planting required by the code?

Yes — the code requires an automatic irrigation system for all required landscaped areas except those specifically approved to be maintained as unirrigated native plantings; water‑efficient systems (drip, matched precipitation heads, controllers) are required. See § 4‑34‑050.C. (§ 4-34-050)

When will the city require a performance guarantee for landscaping?

When the Director deems it necessary (phased projects, seasonal delays, etc.) the City may require a security equal to 150% of the total value of plant materials, irrigation, installation and maintenance to be held for two years. See § 4‑34‑030.E. (§ 4-34-030)

Does the code limit turf areas?

Yes — turf is generally limited to 50% of the total landscaped area (unless the Director approves otherwise based on a water‑efficiency demonstration); the code also disallows turf in areas narrower than 10 ft. See § 4‑34‑050.B.4. (§ 4-34-050)

Will I need Architectural Review for tall/long walls?

A fence or wall with a height greater than 6 ft and length greater than 50 ft requires Architectural Review (except open/wire fencing in RE district). Exceptions to height limits may also be authorized through Use Permit/Architectural Review. See § 4‑30‑030.B and § 4‑52‑020. (§ 4-30-030; § 4-52-020)

Are there special rules for trees in street setbacks?

Street setback tree spacing is required (for example, one street tree per 30 ft of right‑of‑way is the baseline), and canopy clearance rules require the lower canopy to be maintained at 8 ft above grade for trees in front or street side setbacks; see § 4‑34‑050. (§ 4-34-050) ---

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