Local zoning · Solana Beach

Solana Beach — Overlay Districts

Q: What is an overlay zone in Solana Beach and how does it differ from my base zone?

An overlay zone (e.g., SAOZ , HOZ , FPOZ , SROZ ) is a mapped special purpose zone that sits on top of your base zoning. It generally does not change permitted uses but imposes additional development standards, submittal requirements, or discretionary review (DRP) to protect scenic resources, slopes, floodplains, or neighborhood scale § 17.48.010–17.48.040 .

Q: What special technical documents are required for a property in the Hillside Overlay Zone?

For parcels with slopes >25% , the HOZ requires a slope analysis (2‑ft contours) certified by a qualified engineer, geotechnical or geological reports where appropriate, grading/erosion control plans, and supplemental studies for the Barbara Ave. and Santa Helena/Lomas Santa Fe subareas § 17.48.020(E)–(G) .

Q: How do I calculate FAR if my lot is in the Scaled Residential Overlay Zone (SROZ)?

FAR in the SROZ uses a four‑tiered formula: 0.500 for the first 6,000 sf , 0.175 for 6,001–15,000 sf, 0.100 for 15,001–20,000 sf, and 0.050 for area above 20,000 sf. Certain items like garage parking (200 sf per space up to 400 sf for single‑family) are excluded from FAR per the SROZ rules § 17.48.040(C)(1)–(c) .

Q: Do overlays change permitted uses (for example, allow commercial uses in residential zones)?

Generally overlays do not change the base permitted uses. The overlay chapters focus on development standards and review to protect scenic, slope, or flood values; uses remain those of the underlying base zones unless the code explicitly states otherwise § 17.48.040(B) .

Overlay Districts under the Solana Beach local zoning and planning code, with the controlling citations.

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Last reviewed: July 3, 2026

Overview

Solana Beach’s zoning ordinance (Title 17) establishes four named overlay / special purpose zones that sit on top of an underlying base zone and impose additional standards or review requirements: the Scenic Area Overlay Zone (SAOZ), the Hillside Overlay Zone (HOZ), the Floodplain Overlay Zone (FPOZ), and the Scaled Residential Overlay Zone (SROZ). These overlays do not generally create new uses; they modify development rules, required studies, and review triggers for parcels inside their mapped boundaries. For the citywide zoning map and how overlays interact with base zones, see the Solana Beach zoning & planning overview and the city’s official zoning map § 17.04.040 .

(First mention links: Solana Beach zoning & planning overview, Solana Beach Zoning, Solana Beach Development Standards, Solana Beach Design Review, Solana Beach Parking, Solana Beach ADUs, California Building Standards Code.)

How to read this page

Where I state a requirement I cite the controlling ordinance paragraph with the section glyph and the file preview marker from the retrieved Solana Beach ordinance.
If a specific requirement or numeric standard is not in the retrieved materials I state: Not found in retrieved materials.
For procedural review rules see § 17.68.040 (development review permits) and for base residential development standards see § 17.20.030 and related sections .

District-by-district breakdown

Scenic Area Overlay Zone (SAOZ)

Purpose: The SAOZ is intended to preserve and enhance areas of high scenic value and to exclude incompatible uses or development that would detract from scenic resources § 17.48.010 .
Typical permitted uses: Uses remain those of the underlying base zone; the SAOZ focuses on limiting visual impacts, grading, signage, and lighting rather than creating a new use list § 17.48.010 .
Key dimensional / design controls and required materials:
- Development review permit required before any building or grading permit for areas inside the SAOZ (exemptions for small additions and certain accessory structures) § 17.48.010(C)–(D) .
- Grading must be minimized and screened; off-site signs are prohibited (except limited real estate signs) § 17.48.010(F)(6)–(7) .
- Exterior lighting must conform to city exterior lighting regs (see § 17.60.060) and design guidance in the SAOZ § 17.48.010(F)(8) .
Where it applies: Areas designated on the official zoning map that include state or locally designated scenic highways, critical/prime viewsheds, and areas within 100 feet of significant recreational, historic, or scenic resources § 17.48.010(B) .

Practical guidance: Expect thorough visual/landscape plans, lighting/photometric plans, and sign compliance; link early with design review staff via the Solana Beach Design Review process to reduce delays § 17.48.010 .

Hillside Overlay Zone (HOZ)

Purpose: The HOZ regulates development on slopes to preserve topography, protect habitat and watersheds, and reduce hazards (erosion, slides) § 17.48.020(A) .
Typical permitted uses: Base-zone uses generally apply; the overlay adds substantive restrictions and additional submittal requirements for projects on slopes § 17.48.020(B)–(D) .
Key dimensional / technical standards and studies:
- Applies where parcel contains slopes exceeding 25% grade; slope mapping and site-specific slope analysis (contours ≤ 2 ft) required § 17.48.020(B)–(E)(1) .
- Development review permit required for work on HOZ parcels (few limited exemptions for small additions or accessory structures not on >25% slopes) § 17.48.020(C)–(D) .
- For slopes in an “unnatural condition” (e.g., Barbara Ave. and Santa Helena/Lomas Santa Fe areas) the code requires supplemental geotechnical reports, building site cross-slope analyses, grading/erosion control plans, and a 20‑foot rear landscape buffer in many cases § 17.48.020(F)–(G); see also supplemental regs .
- Rear yard setback (for development on unnatural-slopes): 40 ft for below-grade structures and 50 ft for at-grade structures (stepped back) in the supplemental HOZ regulations; structures above 16 ft may be subject to view assessment § 17.48.020(H)(1) .
- Maximum height for residential zones is controlled elsewhere (see § 17.20.030) but HOZ includes performance criteria to reduce massing and visual impacts § 17.48.020(H)(6) and related performance criteria .
Where it applies: Mapped HOZ parcels on the official zoning map; note the city identifies specific subareas (Barbara Ave., Santa Helena/Lomas Santa Fe) that have special rules § 17.48.020(B) .

Practical guidance: For parcels with slopes >25% plan on submitting geotechnical and engineering reports, detailed grading plans, and a vegetation/landscaping mitigation plan. Expect DRP-level public hearings and possible deed restrictions on conserved slopes § 17.48.020(E)–(G) .

Floodplain Overlay Zone (FPOZ)

Purpose: The FPOZ protects the San Dieguito River Valley 100‑year floodplain — limiting development and fill so flood flows, wetlands and riparian areas are not adversely affected § 17.48.030(A) .
Typical permitted uses: Underlying zone uses may apply when consistent with floodplain requirements; the overlay is primarily about limiting fill/structures and imposing performance criteria § 17.48.030(B), (E) .
Key standards and triggers:
- Applies to areas identified as within the FEMA 100‑year floodplain (map-based) § 17.48.030(B) .
- Development review permit required before building/grading permits for property in the FPOZ; a single‑family residence on a single lot that is located at least 1 foot above the 100‑year flood level and is designed to withstand flooding may be exempt § 17.48.030(C)–(D) .
- Development allowed only where it will not require off‑site flood protection works (revetments, levees) and where environmentally sensitive habitat is protected § 17.48.030(E) .
Where it applies: Parcels mapped on the official zoning map as FPOZ (FEMA 100‑year floodplain) § 17.48.030(B) .

Practical guidance: Coordinate early with city floodplain administrator and expect flood elevation, hydrology, and habitat analyses. If building in the FPOZ expect the DRP findings to require avoidance of off‑site flood works and habitat impacts § 17.48.030(E) .

Scaled Residential Overlay Zone (SROZ)

Purpose: The SROZ preserves neighborhood character and the “traditional scale and seaside orientation” of specified residential areas by superseding certain development standards (especially FAR and definitions of architectural elements) while retaining base-zone uses and densities § 17.48.040(A)–(B) .
Typical permitted uses: The SROZ allows the same densities and uses as the underlying residential zones (LR, LMR, MR); it does not change permitted uses but changes development metrics § 17.48.040(B) .
Key dimensional standards:
- Floor Area Ratio (FAR) within the SROZ is set by a four‑tiered standard (examples appear in the SROZ text). For example the code applies: 0.500 for the first 6,000 sf, 0.175 for 6,001–15,000 sf, 0.100 for 15,001–20,000 sf, and 0.050 for area above 20,000 sf (see the SROZ chart and examples in the code) § 17.48.040(C)(1) .
- Atriums (as defined in the code) are included in FAR calculations; required garage parking within garages (200 sf per space up to a maximum 400 sf for a single‑family residence) is excluded from FAR § 17.48.040(C)(1)(b)–(c) .
- Bay windows are allowed to encroach into setback up to 3 ft × 4 ft × 2 ft (depth) and one such window per each 20 feet of linear frontage is allowed § 17.48.040(C)(2) .
Where it applies: The SROZ is mapped on the official zoning map and applies only to LR, LMR and MR zones in six geographical designated areas west of I‑5; the map is on file with the city clerk § 17.48.040(B) .
Review trigger nuance: Being in the SROZ alone does not automatically require a development review permit, but any project that meets the standard DRP triggers (height, size, grading thresholds, etc.) located in the SROZ must comply with the SROZ superseding development regulations § 17.68.040(B)(1)(m) and § 17.48.040 .

Practical guidance: For residential projects in the SROZ, calculate FAR using the four‑tier scheme and plan for FAR and architectural detail (atrium, bay window) documentation at submittal; verify whether your project still triggers the DRP thresholds (see § 17.68.040) .

Quick reference table — key decision standards and where to find them

Topic / Standard	What it is	Code reference
SAOZ — DRP required	DRP required before building/grading permits in scenic areas (minor exemptions exist)	§ 17.48.010(C)–(D)
HOZ — slope trigger	Applies where slopes exceed 25%; requires slope analysis and geotechnical reports	§ 17.48.020(B)–(E)
FPOZ — FEMA 100‑yr	Applies to parcels in FEMA 100‑yr floodplain; single‑family exemption if ≥1 ft above 100‑yr level	§ 17.48.030(B)–(D)
SROZ — FAR formula	Four‑tier FAR: 0.500 (first 6,000 sf), 0.175 (6,001–15,000), 0.100 (15,001–20,000), 0.050 (>20,000)	§ 17.48.040(C)(1)
SROZ — garage exclusion	Garage parking 200 sf per space (max 400 sf single‑family) excluded from FAR	§ 17.48.040(C)(1)(c)
DRP rules	DRP triggers, findings and conditions consolidated for overlays	§ 17.68.040

Checklist

Confirm whether the property is mapped within SAOZ, HOZ, FPOZ, or SROZ on the City of Solana Beach Official Zoning Map § 17.04.040 .
If in HOZ: order a contour survey / slope analysis (≤2‑ft contours) and engage a qualified geotechnical engineer § 17.48.020(E)(1) .
If in FPOZ: obtain FEMA flood elevation data and verify whether the single‑family exemption (≥1 ft) applies § 17.48.030(D) .
If in SROZ: run the four‑tier FAR calculation and prepare FAR exhibits (include atrium, bay window, garage calculations) § 17.48.040(C) .
Determine whether your project meets any development review permit (DRP) triggers (size, grading >100 cu yd, height, etc.) § 17.68.040(B) .
Prepare required submittal packages: visual analysis / landscape / photometric plans (SAOZ), erosion & drainage control, grading plans, geotechnical reports (HOZ), flood studies (FPOZ), and FAR exhibits (SROZ) §§ 17.48.010–17.48.040 .
Coordinate early with Planning Director / Design Review staff and the Floodplain Administrator; expect public notice for DRP hearings § 17.68.040(G) .

Risks & Ambiguities

Issue	Why it matters	What to verify
Mapped boundary uncertainty	Overlay protections and DRP triggers depend on whether a parcel is inside a mapped overlay	Verify official zoning map boundary with the Department of Community Development and city clerk § 17.04.050
Slope mapping / 25% trigger	Whether slopes exceed 25% determines HOZ applicability and submittal requirements	Obtain certified slope analysis (contours ≤ 2 ft) per code § 17.48.020(E)(1)
FPOZ / FEMA map currency	FPOZ applies to FEMA 100‑yr zones; flood maps are occasionally updated and affect exemptions	Confirm current FEMA panel and required flood elevation; verify the 1‑ft single‑family exemption conditions § 17.48.030(B)–(D)
SROZ DRP confusion	Code notes SROZ alone does not require a DRP, but other DRP triggers still apply	Confirm whether project size/height/grading triggers DRP § 17.68.040(B)(1)(m)
Interaction with other regs (view, bluffs)	Bluff setbacks, view assessment, or other special regs may overlap overlays	Check § 17.20.030 (setbacks/height), § 17.62 (bluffs), and view assessment rules § 17.63; verify with Planning staff

Plain-English Summary

If your Solana Beach property sits inside one of the city’s overlays—SAOZ, HOZ, FPOZ, or SROZ—you still follow the base zone’s permitted uses, but you must follow extra rules (special FAR math for SROZ, slope and geotech rules for HOZ, flood protections for FPOZ, and visual/lighting/sign controls for SAOZ) and often obtain a development review permit before building §§ 17.48.010–17.48.040; 17.68.040 .

Source References

Solana Beach Zoning (Title 17) table of contents and zoning map adoption authority § 17.04.040 .
Scenic Area Overlay Zone (SAOZ) — § 17.48.010 (purpose, applicability, DRP requirement, exemptions, lighting/sign controls) .
Hillside Overlay Zone (HOZ) — § 17.48.020 (25% slope trigger, submittal requirements, exemptions, Barbara Ave and Santa Helena/Lomas Santa Fe supplemental criteria) .
Floodplain Overlay Zone (FPOZ) — § 17.48.030 (FEMA 100‑yr applicability, DRP requirement, single‑family exemption, development criteria) .
Scaled Residential Overlay Zone (SROZ) — § 17.48.040 (LR/LMR/MR applicability, four‑tier FAR standard, garage FAR exclusions, bay window rules) .
Development Review Permit rules — § 17.68.040 (what triggers a DRP; consolidation of overlay requirements into DRP process) .
Base residential development standards (FAR, height) — § 17.20.030 and related subsections .
For related local topics see: Solana Beach Zoning & Planning Overview, Solana Beach Zoning, Solana Beach Development Standards, Solana Beach Design Review, Solana Beach Parking, Solana Beach ADUs. (internal menu links used in body)

Sources

Retrieved passages

Solana Beach Zoning Code (§ 2) High relevance
Solana Beach Zoning Code (section to) High relevance
Solana Beach Zoning Code (section that) High relevance
Solana Beach Zoning Code (Title 17) High relevance
Solana Beach Zoning Code (§ 2) Medium relevance
Solana Beach Zoning Code (§ 1) Medium relevance
Solana Beach Zoning Code (section shall) Medium relevance
Solana Beach Zoning Code (section that) Medium relevance
Solana Beach Zoning Code (section shall) High relevance
Solana Beach Zoning Code (§ 2) High relevance
Solana Beach Zoning Code High relevance
Solana Beach Zoning Code (Chapter 17.64) High relevance
Solana Beach Zoning Code High relevance
Solana Beach Zoning Code Medium relevance

Cited sections

Solana Beach Zoning (Title 17) table of contents and zoning map adoption authority **§ 17.04.040** . (Title 17)
**Scenic Area Overlay Zone (SAOZ)** — **§ 17.48.010** (purpose, applicability, DRP requirement, exemptions, lighting/sign controls) . (§ 17.48.010)
**Hillside Overlay Zone (HOZ)** — **§ 17.48.020** (25% slope trigger, submittal requirements, exemptions, Barbara Ave and Santa Helena/Lomas Santa Fe supplemental criteria) . (§ 17.48.020)
**Floodplain Overlay Zone (FPOZ)** — **§ 17.48.030** (FEMA 100‑yr applicability, DRP requirement, single‑family exemption, development criteria) . (§ 17.48.030)
**Scaled Residential Overlay Zone (SROZ)** — **§ 17.48.040** (LR/LMR/MR applicability, four‑tier FAR standard, garage FAR exclusions, bay window rules) . (§ 17.48.040)
**Development Review Permit rules** — **§ 17.68.040** (what triggers a DRP; consolidation of overlay requirements into DRP process) . (§ 17.68.040)
Base residential development standards (FAR, height) — **§ 17.20.030** and related subsections . (§ 17.20.030)
For related local topics see: Solana Beach Zoning & Planning Overview, Solana Beach Zoning, Solana Beach Development Standards, Solana Beach Design Review, Solana Beach Parking, Solana Beach ADUs. (internal menu links used in body)
SolanaBeach_ZoningCode.md

Frequently asked questions

What is an overlay zone in Solana Beach and how does it differ from my base zone?

An overlay zone (e.g., SAOZ, HOZ, FPOZ, SROZ) is a mapped special purpose zone that sits on top of your base zoning. It generally does not change permitted uses but imposes additional development standards, submittal requirements, or discretionary review (DRP) to protect scenic resources, slopes, floodplains, or neighborhood scale § 17.48.010–17.48.040 .

Do I automatically need a Development Review Permit if my parcel is inside an overlay?

Not always. The overlay chapters commonly require a DRP for most development in their areas (SAOZ, HOZ, FPOZ), but the code specifically notes that being in the SROZ alone does not automatically trigger a DRP — however, if your project meets the regular DRP triggers (height, grading amount, gross area) you must obtain a DRP and then comply with overlay rules § 17.48.010(C); 17.48.020(C); 17.48.030(C); 17.68.040(B)(1)(m) .

What special technical documents are required for a property in the Hillside Overlay Zone?

For parcels with slopes >25%, the HOZ requires a slope analysis (2‑ft contours) certified by a qualified engineer, geotechnical or geological reports where appropriate, grading/erosion control plans, and supplemental studies for the Barbara Ave. and Santa Helena/Lomas Santa Fe subareas § 17.48.020(E)–(G) .

How do I calculate FAR if my lot is in the Scaled Residential Overlay Zone (SROZ)?

FAR in the SROZ uses a four‑tiered formula: 0.500 for the first 6,000 sf, 0.175 for 6,001–15,000 sf, 0.100 for 15,001–20,000 sf, and 0.050 for area above 20,000 sf. Certain items like garage parking (200 sf per space up to 400 sf for single‑family) are excluded from FAR per the SROZ rules § 17.48.040(C)(1)–(c) .

If my property is in the Floodplain Overlay Zone, can I still build a single‑family house?

Yes — the FPOZ allows a single‑family residence on a single lot to be exempt from the FPOZ requirements if the structure is located at least 1 foot above the FEMA 100‑year flood level and otherwise designed to withstand periodic flooding. Other development in the FPOZ generally requires a DRP and must meet the overlay’s development criteria § 17.48.030(D)–(E) .

Do overlays change permitted uses (for example, allow commercial uses in residential zones)?

Generally overlays do not change the base permitted uses. The overlay chapters focus on development standards and review to protect scenic, slope, or flood values; uses remain those of the underlying base zones unless the code explicitly states otherwise § 17.48.040(B) .

How do overlays interact with other development rules like view assessment or bluff setbacks?

Overlay rules explicitly reference and work alongside other Title 17 provisions. For example, the HOZ and SROZ can trigger view assessment rules and bluff setbacks in § 17.63 and § 17.20.030; coordinate with planning staff since multiple chapters may apply to a single proposal § 17.20.030; 17.63.040 .

Where can I confirm whether my lot is in SAOZ / HOZ / FPOZ / SROZ?

Confirm the overlay boundaries on the City of Solana Beach Official Zoning Map, available from the city clerk or the Department of Community Development; the zoning map is part of Title 17 and its adoption is described in § 17.04.040 .

If my project triggers a DRP, what findings must the council make?

The city council may approve a DRP only if the project is consistent with the general plan and Title 17 requirements, complies with DRP criteria, and has all other required permits (variances, CUPs, sign plans, coastal permits) — see the DRP findings and conditions in § 17.68.040(H)–(I) .

Will SROZ rules prevent me from adding an ADU?

The SROZ modifies FAR and some dimensional rules but does not change base uses; however ADU permitting may interact with FAR and accessory structure definitions in Title 17. Verify with the planning department and consult the Solana Beach ADUs guidance; also check state ADU law for preemptions § 17.48.040 (SROZ) — Verify with the jurisdiction.

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