Local zoning · Seaside

Seaside — Development Standards

Q: What can I build on an R‑1 (RS‑8/RS‑12) lot in Seaside?

In Seaside the single‑family residential zones ( RS‑8 , RS‑12 ) allow primary single‑family dwellings and typical residential accessory structures; dimensional standards include 24 ft maximum height for single dwellings, 0.45 FAR , and ~65% maximum site coverage (check combined side setbacks for taller buildings). See the residential tables and setback rules in § 17.30.100 and the residential table notes .

Q: Do commercial zones in Seaside require front setbacks?

Many commercial zones such as CMX and CC allow 0 ft front setbacks to support pedestrian frontage; however, specific frontage and facade standards also apply in the CMX zone. See the commercial zone table and frontage standards in § 17.14.050 and § 17.14.060 .

Q: When is a variance required for a setback or height deviation?

A Variance under § 17.62.080 is used when special physical circumstances make the strict application of a standard deny privileges enjoyed by other nearby properties; note that Variances cannot change allowed land uses, density, or FAR limits — these remain protected. See § 17.62.080 .

Development Standards under the Seaside local zoning and planning code, with the controlling citations.

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Last reviewed: July 3, 2026

Overview

This page summarizes the City of Seaside’s development standards that control setbacks, height, lot coverage, density/FAR, and accessory-structure rules as found in the local Zoning Ordinance (Title 17). It is a practical, district-by-district synthesis of what the code requires and what applicants must verify before submitting plans. For related application topics see parking, design review, overlays, ADUs, and the California Building Standards Code in the linked internal resources below.

parking: Seaside Parking
design review: Seaside Design Review
overlays: Seaside Overlay Districts
ADUs: Seaside ADUs
California Building Standards Code: California Building Standards Code
(Other internal resources cited later as they appear.)

All numeric limits and measurement rules below are stated in the Zoning Ordinance; I cite the controlling code section (with the local file reference) after each requirement. Where the ordinance does not specify an item, I state "Not found in retrieved materials" or advise "Verify with the jurisdiction."

Citywide measurement and exceptions (how the rules are applied)

Setback measurement rules: Front, side, street-side, and rear setbacks are measured at right angles from the property line (or plan line/easement in special cases); the Zoning Administrator can require alternative measurement methods when lot shape prevents the standard method. See § 17.30.100 .
Height measurement and exceptions: Building height is measured from existing grade to an imaginary plane the allowed number of feet above grade; architectural features have specific exceptions and there are review triggers if dwelling-adjacent features exceed certain heights. See § 17.30.030 .
General applicability and precedence: Specific plans or development agreements may override standard zoning limits where they apply; a specific plan takes precedence over the Zoning Ordinance where inconsistent. See § 17.20.020 .
Accessory structures: Side and rear setback minimums for accessory buildings, maximum detached accessory building height, and total accessory-building area limits are established in the accessory-building rules (see § 17.52.220); accessory building area is counted toward FAR unless excluded by a specified exception. See § 17.52.220 and related FAR notes § 17.30.100 .
Parking, signs, landscaping: Parking is regulated by Chapter 17.34; signage by Chapter 17.40; landscaping and screening by § 17.30.040. See references in the zone tables and Article 3 (site standards) .

District-by-district breakdown

Below are the key districts used in the ordinance with the practical development numbers an applicant needs to know. Each district heading names the actual zone label used in Seaside and bolds the controlling numeric standards shown in the code tables.

Note: where the ordinance points to a table (for example Table 2-6), the table is implemented in the zone-specific sections referenced below; consult the cited § when preparing applications.

Residential zones

RS‑8 (Single‑Family Residential) — purpose & typical uses: single-family homes and permitted accessory uses. Key dimensional standards: maximum height 24 ft, maximum FAR 0.45, maximum site coverage 65%, side setbacks generally 5 ft (with different combined side requirements for taller structures). See residential development table and notes in § 17.12 tables and the comprehensive residential standards table § 17.30.100 (setbacks) and related table excerpts in the code (see table references) .
RS‑12 (Single‑Family Residential) — similar to RS‑8 in permitted uses with the same point-of-reference standards; check Table 2-x for parcel-size/minimums and setbacks in § 17.30.100 .
RM (Medium Density Residential) — purpose & typical uses: duplexes, small multifamily. Key standards: maximum FAR 0.45, maximum site coverage 65%, height for single dwellings 24 ft; multi‑family typically 36 ft; setbacks vary with height (see table). See residential standards table § 17.30.100 and Table 2-x for RM specifics .
RH (High Density Residential) — purpose & typical uses: multifamily buildings. Key standards: maximum FAR 0.45, site coverage 60%, height for multi‑family up to 48 ft (single dwellings limited to lower heights); side/rear setbacks increase for buildings >24 ft tall. See residential standards table § 17.30.100 and the FAR/site coverage entries in the code tables .

(Exact parcel-size minimums and detailed per‑unit open‑space requirements for multifamily are set out in Chapter 17.52; consult that chapter for unit-level standards) .

Commercial zones

CMX (Commercial Mixed‑Use) — purpose & typical uses: ground-floor commercial with residential above. Key dimensional standards: setbacks: 0 ft (front/side/rear permitted); residential density: 1 unit per 1,742 sq ft site area; FAR and frontage/facade objectives are handled in a frontage standards subsection. See Table 2-6 and the CMX entries in § 17.14.050 and § 17.14.060 .
CC (Community Commercial) — purpose & typical uses: neighborhood commercial centers. Key standards: 0 ft setbacks allowed, density parallels CMX in some areas; consult Table 2‑6 for FAR and allowed uses § 17.14.050 .
CRG (Regional Commercial) — purpose & typical uses: regional retail and hotel development. Key standards vary by subarea: FAR up to 3.0 for hotels; 1.0 for other uses; front setbacks may be 0 ft to 10 ft depending on sub-zone; consult Table 2‑6 and notes § 17.14.050 .
CA (Automotive Regional Commercial) and CH (Heavy Commercial) — typical uses: automotive and heavier commercial/warehouse uses. CH has maximum FAR 0.50 and higher height allowances in some locations; setbacks in CH may be minimal for many uses. See Table 2‑6 and CH narrative § 17.14.050 and the CH FAR statement § 17.14.030 .

Special purpose and overlay areas

OSR / OSC / PI / M (Parks/Open Space, Conservation, Public Institutional, Military) — these zones have tailored development standards; for example the M (military) zone has 30 ft setbacks from each property line and a 32 ft height limit until transfer to non‑military ownership (and then other standards apply). See § 17.18.050 for these special purpose standards .
V‑FO (Visitor / Fort Ord / Coastal‑oriented district) — the V‑FO district defers many standards to the Commercial chapter or to PUD approvals but imposes district-specific controls (e.g., hotel-room caps, landscaping and viewshed protections, and a maximum average residential density where stated). See § 17.18.050 .
Overlay Districts: special overlay zones (Highway 1 Special Overlay, historic preservation overlays, etc.) may impose additional setback, facade, and design rules — check the applicable overlay and the general overlay chapter when projects sit inside an overlay area. See the ordinance on overlay applicability § 17.18.050 and the specific overlay sections listed in Article 2 (where applicable) .

Quick reference table — most decision‑relevant numeric standards

Zone (bolded)	Typical uses	Key numeric standards (decision‑relevant)	Code Reference
RS‑8	Single‑family	Height 24 ft; FAR 0.45; Site coverage 65%; side setbacks ~5 ft (varies with height)	§ 17.30.100; Residential tables
RM	Duplex/multi	Height single 24 ft / multi 36 ft; FAR 0.45; coverage 65%	Residential tables; § 17.30.030; § 17.30.100
RH	Multi‑family	Multi height 48 ft; FAR 0.45; coverage 60%	Residential tables; § 17.30.100
CMX	Mixed‑use	Setbacks 0 ft allowed; dwelling density 1/1,742 sf site; frontage/facade rules apply	§ 17.14.050; CMX table
CRG	Regional commercial / hotels	FAR 3.0 (hotels); 1.0 (other uses); height up to 6 stories/72 ft in table contexts	Table 2‑6; § 17.14.050
CH	Heavy commercial	FAR 0.50; higher allowed heights in some areas per Table 2‑6	§ 17.14.030; Table 2‑6
M (military)	Military / transition	Setbacks 30 ft each property line; height 32 ft	§ 17.18.050

(These are the ordinance’s published defaults; exceptions and specific‑plan standards can change the numbers — see § 17.20.020 for precedence) .

Practical guidance / interpretation notes

FAR calculations: the ordinance explicitly notes that some garage area exclusions and parking‑garage area exclusions apply in certain tables (for example, up to 440 sq ft of garage area may be excluded from FAR in residential tables; parking garage area exclusions are noted in commercial tables). Verify the exact exclusion language for your site and building type in the applicable zone table and Chapter 17.34 on parking. See FAR notes in the residential/commercial tables § 17.30.100 and Table notes .
Setback flexibility: the code provides a mechanism for applying exceptions on infill blocks with existing development, and the Zoning Administrator has discretion for alternative measurement where lot geometry is unusual. Expect to justify irregular setbacks with site surveys and possibly request administrative relief or a variance. See § 17.30.100 and the Zoning Administrator interpretation rules in § 17.04.020 .
Height exceptions & review triggers: architectural projections are allowed in many cases (chimneys, cupolas, etc.) but may trigger Use Permit or Board of Architectural Review involvement if they exceed 30 ft adjacent to residential zones. See § 17.30.030 .
Accessory/ADU policies: accessory structure rules (setbacks, height, max accessory area 600 sq ft and spacing between structures) are in the accessory chapter; ADU-specific limits and state ADU law interaction are a separate subject — Seaside treats accessory structures per § 17.52.220 but ADU-specific ministerial rules are governed both by local ADU rules and the state. See accessory building rules § 17.52.220 . For the state ADU law interaction, consult the state guidance (Not provided in this local ordinance file) and the local ADU page Seaside ADUs.

Checklist

Verify the zoning district for the subject parcel and review the district’s table (e.g., RS‑8, CMX) for height, FAR, setbacks, and lot coverage limits — see the zone table entries in Chapter 17 tables § 17.14.050, residential tables § 17.30.100 .
Measure and document existing grade and setback measurements per § 17.30.030 and § 17.30.100 (use a topographic survey if needed) .
Confirm FAR calculations and any garage/patio exclusions called out in the applicable zone table notes (e.g., garage exclusion language in residential FAR notes) .
Check parking requirements (Chapter 17.34) and ensure site plan accomplishes required spaces and access; link: Seaside Parking .
Determine whether Architectural Review or a Use/Minor Use Permit is required (Chapter 17.62 and Section 17.62.070) and prepare findings if a discretionary permit is likely .
If inside an overlay or specific plan area, pull the overlay/specific plan standards — specific plans can supersede these tables (see § 17.20.020) .
Verify accessory‑structure/ADU siting and size against § 17.52.220 and local ADU rules; consult state ADU law where applicable and link to local ADU info: Seaside ADUs .
Confirm sign, landscaping, and fence standards (Chapters 17.40, 17.30.040, 17.30.020) and include required details on landscape and screening plans .
If seeking deviation, prepare a Variance package per § 17.62.080 and justify special circumstances (note: Variances cannot be used to change allowed land uses or density/FAR limits) .

Risks & Ambiguities

Issue	Why it matters	What to verify
FAR exclusions and garage area	The ordinance contains specific exclusions (for example a 440 sq ft garage carve‑out in one table); miscounting can make a project noncompliant	Verify the specific FAR note in the zone table and cite the table note when calculating FAR; request staff confirmation if ambiguity exists § 17.30.100
Specific‑plan vs. zoning table differences	A specific plan can override the standard tables; your site may be within a specific plan footprint	Confirm whether the parcel is inside a Specific Plan; if so, use § 17.20.020 precedence rules and the specific plan text
ADU local rules vs. State ADU law	State ADU law constrains certain local limits (size, setbacks, parking); local code references accessory buildings but ADU ministerial requirements may differ	Consult the City’s ADU chapter and state law (local ADU details not fully in the retrieved ordinance materials). See accessory rules § 17.52.220 . If unclear, "Verify with the jurisdiction."
Height measurement on sloped lots	Height is measured from existing grade; defining existing grade can materially change allowable building envelope	Provide a survey and clarify grade determination with the Zoning Administrator per § 17.30.030
Setback measurement on flag lots or where a plan line exists	Front yard can be measured from plan lines or from point where access strip meets lot; unusual configurations require administrator determination	See setback measurement rules § 17.30.100; if the lot is irregular, get a staff determination before submitting fully designed plans

Plain‑English Summary

Seaside’s Zoning Ordinance (Title 17) sets zone‑by‑zone numeric limits for height, setbacks, lot coverage and FAR; residential zones generally use a 0.45 FAR and modest height caps (24–48 ft depending on building type), while commercial zones allow minimal setbacks and higher FARs in regional areas. Always check whether a specific plan or overlay applies because that can change or supersede the table numbers. Key measurement rules live in § 17.30.030 and § 17.30.100; accessory structures and ADU siting are in § 17.52.220 (verify ADU-specific ministerial rules separately).

Source References

City of Seaside Zoning Ordinance (Title 17), Article 3 — Site Planning, Design and Operational Standards: § 17.30.030 (Height measurement and exceptions) .
City of Seaside Zoning Ordinance, Setback measurement & exceptions: § 17.30.100 .
City of Seaside Zoning Ordinance, Residential and development tables (FAR, coverage, setbacks): table excerpts and notes (residential tables/Tables 2‑x) — residential tables and notes (referenced in the code) § 17.30.100 and table notes .
City of Seaside Zoning Ordinance, Commercial Zone Site Planning and Building Standards (Table 2‑6 and related): § 17.14.050 and CMX frontage standards § 17.14.060 .
City of Seaside Zoning Ordinance, CH FAR statement and commercial use table context: CH narrative § 17.14.030 and Table 2‑6 notes .
City of Seaside Zoning Ordinance, Special Purpose zones (OSR/OSC/PI/M/V‑FO) and site standards: § 17.18.050 .
City of Seaside Zoning Ordinance, Accessory buildings rules (setbacks, max accessory area): § 17.52.220 .
Precedence of specific plans over the Ordinance: § 17.20.020 (Specific Plan applicability) .
Variance rules (what may and may not be waived): § 17.62.080 .
Parking, signs, and other site standards are referenced throughout the zone tables—see Chapters 17.34 (Parking and Loading) and 17.40 (Signs) as cross‑references in the zone tables .

Sources

Retrieved passages

Seaside Zoning Code (Article 3) High relevance
Seaside Zoning Code (Chapter 17.52) High relevance
CBC § 66314 (§ 66314) High relevance
Seaside Zoning Code (Chapter 17.52) High relevance
Seaside Zoning Code (Chapter 17.40) High relevance
Seaside Zoning Code (section for) High relevance
Seaside Zoning Code (Section 8.12.010) High relevance
Seaside Zoning Code (Section 65000) High relevance

Cited sections

City of Seaside Zoning Ordinance (Title 17), Article 3 — Site Planning, Design and Operational Standards: **§ 17.30.030** (Height measurement and exceptions) . (Title 17)
City of Seaside Zoning Ordinance, Setback measurement & exceptions: **§ 17.30.100** . (§ 17.30.100)
City of Seaside Zoning Ordinance, Residential and development tables (FAR, coverage, setbacks): table excerpts and notes (residential tables/Tables 2‑x) — residential tables and notes (referenced in the code) **§ 17.30.100** and table notes . (§ 17.30.100)
City of Seaside Zoning Ordinance, Commercial Zone Site Planning and Building Standards (Table 2‑6 and related): **§ 17.14.050** and CMX frontage standards **§ 17.14.060** . (§ 17.14.050)
City of Seaside Zoning Ordinance, CH FAR statement and commercial use table context: CH narrative **§ 17.14.030** and Table 2‑6 notes . (§ 17.14.030)
City of Seaside Zoning Ordinance, Special Purpose zones (OSR/OSC/PI/M/V‑FO) and site standards: **§ 17.18.050** . (§ 17.18.050)
City of Seaside Zoning Ordinance, Accessory buildings rules (setbacks, max accessory area): **§ 17.52.220** . (§ 17.52.220)
Precedence of specific plans over the Ordinance: **§ 17.20.020** (Specific Plan applicability) . (§ 17.20.020)
Variance rules (what may and may not be waived): **§ 17.62.080** . (§ 17.62.080)
Parking, signs, and other site standards are referenced throughout the zone tables—see Chapters **17.34** (Parking and Loading) and **17.40** (Signs) as cross‑references in the zone tables .
Seaside_ZoningCode.md

Frequently asked questions

What can I build on an R‑1 (RS‑8/RS‑12) lot in Seaside?

In Seaside the single‑family residential zones (RS‑8, RS‑12) allow primary single‑family dwellings and typical residential accessory structures; dimensional standards include 24 ft maximum height for single dwellings, 0.45 FAR, and ~65% maximum site coverage (check combined side setbacks for taller buildings). See the residential tables and setback rules in § 17.30.100 and the residential table notes .

What are Seaside setback requirements for primary structures?

Setbacks are measured from the property line (or plan line/easement where applicable) to the nearest wall; the ordinance lists front, side, street‑side, and rear measurement rules and allows the Zoning Administrator to require alternative measurements for unusual parcels. See § 17.30.100 for measurement method and exceptions .

How does Seaside measure building height?

Height is measured as the vertical distance from the existing grade to an imaginary plane located the allowed number of feet above that grade. Existing grade is determined by the Zoning Administrator and may require a topographic survey; architectural features have limited exceptions and may trigger discretionary review above certain thresholds. See § 17.30.030 .

Do commercial zones in Seaside require front setbacks?

Many commercial zones such as CMX and CC allow 0 ft front setbacks to support pedestrian frontage; however, specific frontage and facade standards also apply in the CMX zone. See the commercial zone table and frontage standards in § 17.14.050 and § 17.14.060 .

Are accessory buildings counted in FAR and what are the size limits?

Accessory buildings are generally included in FAR calculations unless a table note provides an exclusion (for example, limited garage area exclusions are noted). The code sets a maximum 600 sq ft total for accessory buildings in certain residential contexts and requires a minimum setback of 3 ft from side/rear lot lines for accessory buildings; detached accessory building height is capped (see accessory rules). See § 17.52.220 and the FAR notes in the residential table § 17.30.100 .

Do specific plans change the standard development standards?

Yes. An adopted specific plan overrides conflicting provisions of the Zoning Ordinance where it applies; if your parcel is inside a specific plan area, use the specific plan standards instead of the default zone tables. See § 17.20.020 .

When is a variance required for a setback or height deviation?

A Variance under § 17.62.080 is used when special physical circumstances make the strict application of a standard deny privileges enjoyed by other nearby properties; note that Variances cannot change allowed land uses, density, or FAR limits — these remain protected. See § 17.62.080 .

Are there special rules for development on former Fort Ord / M zone parcels?

Yes. The M zone (military) has transitional rules — for example, until property is released from the Department of the Army the standards are controlled by the Army; after release, the ordinance requires 30 ft setbacks and caps the height at 32 ft unless other approvals apply. See § 17.18.050 .

Do I need to provide a landscape or screening plan with my application?

Most development subject to table standards must also show compliance with landscaping and screening standards (see § 17.30.040 and associated table notes). Screening for mechanical equipment, walls/fences, and parking lot landscaping are specifically referenced in Article 3 and the zone tables .

How do I know if the Highway 1 scenic corridor rules or other overlays apply?

Overlay district requirements (for example the Highway 1 Special Overlay) apply where an overlay maps over your parcel and may impose additional design, setback, or view protection standards; the V‑FO and other zone entries explicitly reference overlay conformity. Check the overlay map and overlay chapter for applicability and specific rules; see the V‑FO district notes in § 17.18.050 and the overlay chapters referenced in Article 2 .

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