Yucca Valley — Overlay Districts

Last reviewed: July 3, 2026

Overview

Overlay districts in the Town of Yucca Valley add area‑specific rules on top of the base zone; when an overlay conflicts with the underlying zone the overlay controls. The overlay program is codified throughout Article 2 of the Development Code (most importantly § 9.15.010 through the individual overlay chapters) and the map designators (e.g., AR1/AR2/AR3, FS, FP1/FP2/FP3, GH, HS, LA, SP, MHP) appear on the official zoning map. See the Town's zoning overview for where overlays sit in the code and on the map. § 9.15.010 .
(Quick links used in this page: the town's zoning overview, zoning, land use, development standards, parking, design review, landscaping and screening, ADUs, and the California Building Standards Code.)

How the code treats overlays (short)

• Overlays “supplement the use regulations and/or development standards of the applicable underlying base zone.” The overlay controls where there is a conflict. § 9.15.010 .
• Overlay map symbols are listed in the Development Code (Table 2‑24). § 9.15.030 .
• Confirm whether your parcel is in an overlay by consulting the official zoning map on file with the Town Clerk and by asking the Community Development Department; the director may resolve boundary uncertainty. § 9.05.040, § 9.05.060 .

District-by-district breakdown

Notes before you read the subsections: I summarize and interpret; where the ordinance sets procedures, study requirements, or numeric standards, I show the controlling § and point to the chapter that contains the full text — verify parcel‑specific requirements with the Town. Where the code refers to other standards (for example fire code, FEMA maps, or FAA FAR Part 77) those external technical rules govern the technical details and are referenced in the chapter text; see the local chapter citation for the Town's cross-reference.

Airport Safety Overlay (AR1 / AR2 / AR3)

• Purpose: Provide land‑use compatibility and safety controls near public airports and flight corridors. § 9.16.010 .
• Typical constraints / permitted uses: Uses must be consistent with the General Plan and any applicable airport land use plan; no permanent structures are allowed in Airport Safety Review Area 1. § 9.16.060 (A) .
• Key standards:
  • Height limits follow FAA Federal Aviation Regulations (FAR) Part 77; proposed structures that exceed Part 77 criteria must file FAA Form 7460‑1 before building permit issuance. § 9.16.060 (B) .
  • No glare/smoke/hazardous storage that could endanger aircraft operations. § 9.16.060 (C) .
  • Avigation easement requirement and disclosure obligations for purchasers/lessees (recorded in deeds/CC&Rs). § 9.16.060 (F–G) .
• Where it applies: Designated on zoning map as AR1/AR2/AR3. § 9.16.020 .

Practical guidance: If your lot is AR1, expect a strict prohibition on new permanent structures; for AR2/AR3 expect height review and FAA coordination. Confirm exact overlay map boundaries with the Town. Verify with the jurisdiction. § 9.16.020 .

Fire Safety Overlay (FS)

• Purpose: Add development controls in high wildland fire hazard areas. § 9.17.010 .
• Typical procedural requirements: Notices and referral of applications to the responsible fire authority (fire dept.) for comment; fire authority recommendations get incorporated into conditions of approval. § 9.17.040 (A–B) .
• Key standards:
  • Fire Safety Development Standards are collected in § 9.17.050 (e.g., defensible‑space, setbacks, road/access requirements, transferable density formulas and possible density adjustments). § 9.17.050 (referenced throughout chapter) .
  • If substantial slopes are involved (≥ 30% on ≥25% of a subdivision site with 5+ lots), simultaneous Planned Development review may be required. § 9.17.040 (D) .
• Where it applies: Shown as FS on the zoning map and mapped from the GP fire hazards map and agencies (CDF/USFS/county). § 9.17.020 .

Practical guidance: Expect required coordination with fire authorities, slope and access studies, and possibly limits or conditions on density/lotting; the code includes density transfer and bonus rules tied to § 9.17.050. Verify with the jurisdiction. § 9.17.050 .

Floodplain Safety Overlay (FP1 / FP2 / FP3)

• Purpose: Reduce flood risk and require flood‑safe design in mapped flood hazard areas. § 9.18.010 .
• Key standards:
  • Applicability linked to FEMA Flood Insurance Rate Maps; FP1/FP2/FP3 correspond to FEMA‑designated special flood hazard areas. § 9.18.020 .
  • Design rules include elevating finished building pads above the base flood elevation, site drainage and utilities designed to minimize flood damage, and strict floodway controls (no encroachments unless engineer certifies no increase in base flood elevations). § 9.18.030, § 9.18.060 (E) .
  • Director may process modifications/exceptions (variance procedure) but findings (no significant increase in flood levels, minimal relief consistent with public safety) are required. § 9.18.060 (B) .
• Where it applies: FP overlays shown FP1/FP2/FP3 on the zoning map and tied to FEMA studies. § 9.18.020 .

Practical guidance: If you are in an FP overlay you will need FEMA‑based elevation work and probably a registered engineer or surveyor certification; expect floodway restrictions and a tighter review path. Verify with the jurisdiction and the FEMA map. § 9.18.020 – § 9.18.060 .

Geologic & Seismic Hazards Overlay (GH)

• Purpose: Require geologic investigation and setbacks in areas subject to faulting, landslides, liquefaction, adverse soils, etc. § 9.19.010 .
• Key standards:
  • A detailed geologic study prepared by a California registered professional geologist is required for most development that would create structures, roads, or subdivisions in the GH overlay. § 9.19.030 .
  • Minimum setbacks from active faults: 50 feet for structures intended for human occupancy (150 feet for critical facilities), unless an approved geologic investigation authorizes a different distance in specific circumstances. § 9.19.040 (A–B) .
  • Exemptions: Some small single‑family dwellings and small accessory structures are exempt from geologic report requirements; see the exemptions list. § 9.19.030 (B) .
• Where it applies: Designated GH on the zoning map. § 9.15.030, § 9.19.020 .

Practical guidance: If your parcel lies in GH the Town will expect geologic / geotechnical reports and will enforce setbacks or mitigation measures; small SFRs in benign areas may be exempt but confirm with staff. § 9.19.030 .

Hillside Overlay (HS)

• Purpose: Promote thoughtful hillside design that fits terrain, protects ridgelines/canyons, minimizes grading, and addresses fire/erosion risks. § 9.20.010 .
• Typical requirements:
  • Hillside grading review for developments meeting thresholds in § 9.20.020 (grading, subdivision, or building activity over slope thresholds). § 9.20.030 .
  • Strong submittal requirements: natural features map, grading plan, slope analysis map, drainage map, and landscape plan emphasizing native and fire‑resistant species. § 9.20.030 (B) .
  • Landscaping/erosion control measures and native plant protection apply. § 9.20.030 (B–E) .
• Where it applies: Mapped as HS on the zoning map. § 9.20.020 .

Practical guidance: Expect detailed grading and landscape packages and design review coordination; refer to the Town's landscaping and screening guidance when preparing plans. § 9.20.030 .

Large Animal Overlay (LA)

• Purpose: Allow increased animal densities and reduced animal‑keeping setbacks where mapped appropriate. § 9.21.010 .
• Key table: Table 2‑26 establishes allowed large animal types, minimum parcel sizes, densities, and whether a special use permit is required (e.g., cattle, equine, emus/ostriches, goats, pigs, etc.). § 9.21.030 and Table 2‑26 .
• Relationship to base rules: Table 2‑8 lists allowed animals when not in an LA overlay; the LA overlay increases allowances set out in Table 2‑26. § 9.21.030, Table 2‑8, Table 2‑26 .
• Where it applies: Mapped LA on the zoning map. § 9.21.020 .

Practical guidance: If you plan to keep more than the base allowed animals or exotic species you may need a special use permit or state permits (Fish and Game) depending on the animal; consult Table 2‑26 and chapter 9.49 for conditional rules. § 9.21.030, § 9.49.040 .

Specific Plan Overlay (SP)

• Purpose: Where precise, area‑wide planning is required, new development must follow an adopted specific plan. § 9.22.010 – § 9.22.050 .
• Key rules:
  • No new development in an SP area until a specific plan meeting Government Code § 65451 requirements is adopted. § 9.22.030 .
  • Adopted specific plans may replace base zoning standards within the SP area; specific plan regulations can be adopted by resolution or ordinance and must be recorded and shown on the zoning map. § 9.22.050 .

Practical guidance: If your property is in an SP overlay, the specific plan (not the general Development Code) will usually govern permitted uses and standards; obtain the final specific plan and file/recorded map for parcel‑level rules. § 9.22.030–050 .

Senior Mobilehome Park Overlay (MHP)

• Purpose: Preserve mobilehome parks as senior parks where so designated. § 9.23.010 .
• Key requirements:
  • Parks in the MHP overlay must be operated as senior parks with at least 80% of spaces occupied by at least one person age 55+; leases must reflect that restriction. § 9.23.040 (A–C) .
  • Town will verify occupancy every two years and requires reporting/certification on new leases; conversion to all‑ages is prohibited. § 9.23.050 – § 9.23.060 .
• Where it applies: Listed parks are shown in the MHP overlay (e.g., Country Club Mobile Estates, Aztec Mobile Home Park, etc.) § 9.23.020 .

Practical guidance: Owners/operators must maintain ongoing age verification records and comply with reporting; failure to comply is an enforceable code violation. § 9.23.050–060 .

Quick reference table — high‑value items at a glance

Checklist

• Confirm whether the parcel is in an overlay on the official zoning map and note the overlay symbol (AR, FS, FP1/2/3, GH, HS, LA, SP, MHP). § 9.05.040, § 9.15.030 .
• If in an overlay, read the overlay chapter(s) that apply to your parcel (e.g., § 9.16, § 9.17, § 9.18, § 9.19, § 9.20, § 9.21, § 9.22, § 9.23) and gather required studies (geologic, flood elevation, slope analysis, fire defensible‑space plan). See the applicable chapter for submittal lists. § 9.19.030, § 9.18.030, § 9.20.030, § 9.17.040 .
• Coordinate early with the responsible review agencies named in the chapter (e.g., Town fire authority, FAA if AR applies, FEMA/Floodplain Administrator, County Geologist). § 9.16.060 (B–G), § 9.17.040 .
• Prepare the technical reports and plans required (sealed geologic/geotechnical reports, elevation certificates or certified pad elevations, slope analysis, grading plans, landscaping that meets native plant protections and fire‑resistant planting). § 9.19.030, § 9.18.030, § 9.20.030 .
• If the overlay triggers a discretionary entitlement (e.g., specific plan adoption, special use permit for certain animals, or floodplain modification), file the correct application and check the public notice/hearing rules. § 9.22.030, § 9.21.030, § 9.18.060 (B) .
• For projects with design elements, expect coordination with the Town’s design review process; tie project plans to the Town’s design review procedures. Verify with the jurisdiction.

Risks & Ambiguities

Plain‑English summary

Yucca Valley’s overlays are special map‑based rules that sit on top of the regular zoning for a site; they can require extra studies (geologic, flood, fire, slope), impose stricter setbacks or height limits (e.g., airport / fault setbacks), and in some cases change permitted uses (e.g., large animal densities or senior mobilehome park protections). Always check the official zoning map and the overlay chapter text for your parcel — overlays override the base zone where they conflict. § 9.15.010, § 9.05.040 .

Source References

• Development Code, Article 2 — Overlay Districts and map designators: § 9.15.010 – § 9.15.030.
• Airport Safety Overlay: § 9.16.010 – § 9.16.060.
• Fire Safety Overlay: § 9.17.010 – § 9.17.050.
• Floodplain Safety Overlay: § 9.18.010 – § 9.18.070.
• Geologic & Seismic Hazards Overlay: § 9.19.010 – § 9.19.040.
• Hillside Overlay: § 9.20.010 – § 9.20.030.
• Large Animal Overlay and Tables: § 9.21.010 – § 9.21.030, Table 2‑26.
• Specific Plan Overlay: § 9.22.010 – § 9.22.050.
• Senior Mobilehome Park Overlay: § 9.23.010 – § 9.23.050.
• Official Zoning Map / boundary determination rules: § 9.05.040 – § 9.05.060.

Retrieved passages

• Yucca Valley Zoning Code (chapter 9.62) High relevance show source text
• Yucca Valley Zoning Code (CHAPTER 9.23) High relevance show source text
• CFC § 9.31.020 (section is) High relevance show source text
• CBC § 9.05.030 (CHAPTER 9.15) High relevance show source text
• Yucca Valley Zoning Code (CHAPTER 9.22) Medium relevance show source text
• Yucca Valley Zoning Code (section 9.23.040) Medium relevance show source text
• Yucca Valley Zoning Code Medium relevance show source text
• Yucca Valley Zoning Code Medium relevance show source text
• Yucca Valley Zoning Code (section is) High relevance show source text
• Yucca Valley Zoning Code High relevance show source text
• Yucca Valley Zoning Code (CHAPTER 9.20) High relevance show source text
• Yucca Valley Zoning Code (section became) High relevance show source text
• Yucca Valley Zoning Code (CHAPTER 9.17) High relevance show source text
• Yucca Valley Zoning Code (article 2.) High relevance show source text
• Yucca Valley Zoning Code (CHAPTER 9.18) High relevance show source text
• Yucca Valley Zoning Code (chapter 9.32) High relevance show source text
• Yucca Valley Zoning Code (CHAPTER 9.21) High relevance show source text
• Yucca Valley Zoning Code (CHAPTER 9.05) High relevance show source text
• Yucca Valley Zoning Code (section 9.17.050) Medium relevance show source text

Cited sections

• Development Code, Article 2 — Overlay Districts and map designators: **§ 9.15.010 – § 9.15.030**. (Article 2)
• Airport Safety Overlay: **§ 9.16.010 – § 9.16.060**. (§ 9.16.010)
• Fire Safety Overlay: **§ 9.17.010 – § 9.17.050**. (§ 9.17.010)
• Floodplain Safety Overlay: **§ 9.18.010 – § 9.18.070**. (§ 9.18.010)
• Geologic & Seismic Hazards Overlay: **§ 9.19.010 – § 9.19.040**. (§ 9.19.010)
• Hillside Overlay: **§ 9.20.010 – § 9.20.030**. (§ 9.20.010)
• Large Animal Overlay and Tables: **§ 9.21.010 – § 9.21.030**, **Table 2‑26**. (§ 9.21.010)
• Specific Plan Overlay: **§ 9.22.010 – § 9.22.050**. (§ 9.22.010)
• Senior Mobilehome Park Overlay: **§ 9.23.010 – § 9.23.050**. (§ 9.23.010)
• Official Zoning Map / boundary determination rules: **§ 9.05.040 – § 9.05.060**. (§ 9.05.040)
• YuccaValley_ZoningCode.md

• Official Yucca Valley code library