Skip to content

Local zoning · San Jacinto

San Jacinto — Design Review

Design Review under the San Jacinto local zoning and planning code, with the controlling citations.

Ask AI what you can build See coverage

Quick answer

San Jacinto requires Site Plan and Design Review for new structures and “significant” enlargements—over 500 sq ft or 25% of a home’s floor area, and ≥25% for commercial/industrial (§ 17.630.020). Most decisions are by the Director within 30 working days, with Commission hearings for hillside projects and appeals (§ 17.630.050, § 17.630.030). Single‑family rules like a 5 ft garage recess and driveway ≤35% of the front yard apply in review (§ 17.425.020).

Last reviewed: July 25, 2026 · AI-generated analysis · General information, not legal advice · details

Compiled from San Jacinto's adopted code with AI research tools and grounded in the sources cited below. Verify with San Jacinto planning staff before relying on it.

Overview

San Jacinto uses Site Plan and Design Review to check how a project fits its site, neighborhood, and adopted standards before other permits are issued. In Title 17 Zoning, Chapter 17.630 sets when design review is required, who decides, what criteria are applied, and how conditions can be imposed. This page interprets the City’s rules and cross-references the residential standards and specific-use design provisions that are frequently applied during review.

In plain English: before you build any new structure or make a “significant” enlargement, San Jacinto requires Site Plan and Design Review; for homes, “significant” means over 500 sq ft or 25% of existing floor area — whichever is less (§ 17.630.020, § 17.630.030, § 17.630.020.E.1).

What triggers Site Plan and Design Review

  • Core trigger. No one may construct, relocate, rebuild, or significantly enlarge/modify a structure or site until Site Plan and Design Review is approved (§ 17.630.020.A).
  • Link to permits. Approval is required before the City issues any building or grading permit, business license, or certificate of occupancy for new structures (fences/walls excluded) and for qualifying reconstructions/remodels (§ 17.630.030.B).
  • “Significantly enlarge or modify” is defined as:
    • Residential: additions over 500 sq ft or over 25% of existing gross floor area, whichever is less (§ 17.630.020.E.1).
    • Commercial/industrial: ≥25% of existing square footage (§ 17.630.020.E.2).
    • Unimproved commercial/industrial sites or site-only improvements: all plans are reviewed (§ 17.630.020.E.3).
  • What must comply. Projects must also satisfy Water Efficient Landscape and Irrigation requirements before permits are issued (§ 17.630.020.C.1), in addition to any zone-specific rules summarized under Development Standards.

Who decides (Review Authority)

  • The applicable authority is set by Table 6-2 (§ 17.630.030.C). Highlights include:
    • Director makes the decision (Commission hears appeals) for: cargo containers; façade improvements; nonresidential enlargements up to 25% GFA; residential additions above the significance threshold; residential projects up to 8 units; residential projects 9–50 units (including SFR tract maps 9–50 lots); nonresidential construction up to 9,999 sq ft; nonresidential ≥10,000 sq ft; residential ≥51 units — all listed “Decision” by Director with Commission as “Appeal” in Table 6‑2 (§ 17.630.030.C).
    • Hillside development (natural slope ≥15%): Director recommends; Commission decides (§ 17.630.030.C; § 17.305.070 referenced).
    • Floodplain projects: Director recommends; Floodplain Administrator decides (§ 17.630.030.C; Chapter 17.500 referenced).
  • The Director may refer any application “of significant consequence” or with potential controversy to the Commission for the final decision (§ 17.630.050.C–D; § 17.630.040.E.2; Notes (2) to Table 6‑2).
  • Appeals follow Chapter 17.715 (§ 17.630.030 Notes (1)). Public noticing/hearings are required only for Commission decisions (§ 17.630.040.E.1–3; Chapter 17.710 referenced).

Exemptions (still checked at plan check)

The following are exempt from filing a design review application, but the City will still verify code compliance during zoning clearance/plan check (§ 17.630.030.D):

  • Infill development consisting of a single-family residence on a legal parcel (not subdivisions).
  • Minor exterior modifications/renovations with no expansion in building size.
  • Accessory buildings/structures.
  • Outdoor dining areas (no outdoor food prep).
  • Minor site/landscape work not subject to the Water Efficient Landscape Ordinance and not requiring a WQMP.
  • Walls/fences within Chapter 17.315 height limits (§ 17.630.030.D.6).

What the City evaluates

When your application is deemed complete, the review authority approves, approves with conditions, or disapproves the project, and may add reasonable conditions to protect health/safety and ensure compliance (§ 17.630.040; § 17.630.060). Within 30 working days of a completed filing, the review authority must act (§ 17.630.050.B). Decision factors include (§ 17.630.040.C.5):

  • Compliance with Title 17 and City policies; efficient site layout/design; compatibility with neighbors; safe access and parking; building/sign relationships; scale/aesthetics in public areas; driveway/landscaping/parking adequacy; open space and water-efficient landscaping; consistency with the General Plan/specific plans; and any adopted design guidelines/standards.
  • Findings to deny: use not allowed in the zone; not meeting the above criteria; character not in keeping with neighborhood; detrimental to orderly growth (§ 17.630.050.F).
  • Conditions may include dedications and public infrastructure proportionate to the development (§ 17.630.060.B).
  • No other approvals (grading/building/C of O) issue until the design review decision is final and effective (§ 17.630.070.A).
  • Minor changes post-approval may be approved by the Director if they don’t increase area/height, units, cause significant architectural change, or intensify use (§ 17.630.080).
  • Zoning clearances are issued when the Director finds full compliance with the Development Code (§ 17.655.030).

Decision-relevant thresholds and pathways

Activity / Project Type Trigger for Site Plan & Design Review Review Authority Hearing? Code Reference
New structures for uses listed in Article 2 Always required Director or Commission per Table 6‑2 Commission level only § 17.630.030.A, § 17.630.040.E
Residential enlargement >500 sq ft or >25% of existing GFA (whichever is less) Director (Appeal: Commission) Director: no; Commission: yes § 17.630.020.E.1; § 17.630.030.C; § 17.630.040.E
Nonresidential enlargement ≥25% of existing GFA Director (Appeal: Commission) Director: no; Commission: yes § 17.630.020.E.2; § 17.630.030.C; § 17.630.040.E
Residential projects up to 8 units Always required Director (Appeal: Commission) Director: no; Commission: yes § 17.630.030.C; § 17.630.040.E
Residential 9–50 units (incl. SFR tracts 9–50 lots) Always required Director (Appeal: Commission) Director: no; Commission: yes § 17.630.030.C; § 17.630.040.E
Residential 51+ units Always required Director (Appeal: Commission) Director: no; Commission: yes § 17.630.030.C; § 17.630.040.E
Nonresidential ≤9,999 sq ft GFA Always required Director (Appeal: Commission) Director: no; Commission: yes § 17.630.030.C; § 17.630.040.E
Nonresidential ≥10,000 sq ft GFA Always required Director (Appeal: Commission) Director: no; Commission: yes § 17.630.030.C; § 17.630.040.E
Hillside development (≥15% natural slope) Always required Director recommends; Commission decides Yes § 17.630.030.C; § 17.305.070
Floodplain projects Always required Director recommends; Floodplain Administrator decides Per floodplain rules § 17.630.030.C; Chapter 17.500
Exempt items (e.g., accessory structures, minor façade work) Exempt from application; still must meet Code at plan check Director issues zoning clearance No § 17.630.030.D; § 17.655.030

Residential single-family design regulations used in review

San Jacinto applies objective and qualitative rules for single-family projects during design review (§ 17.425.020):

  • Neighborhood/site variety and layout: vary lot widths by ≥3 ft; among any three adjacent homes, vary at least one front setback by ≥5 ft; preserve natural landforms/outcroppings; provide pedestrian/bike connections where applicable (§ 17.425.020.D.1, D.2).
  • Garage placement: in each set of three homes, at least two must have recessed (≥5 ft) or side-entry garages; detached rear garages count if connected by trellis/breezeway; recess garage doors from adjacent windowed walls (§ 17.425.020.D.3).
  • Driveway and front yard paving: driveways ≤35% of the front setback area; maintain ≥40% pervious landscaping; limited deviations allowed on lots ≤50 ft wide; see also § 17.330.100 and § 17.215.035 (§ 17.425.020.D.3.f).
  • Walls/fences: comply with Chapter 17.315; decorative articulation (columns/pilasters every 50–75 ft, 5 ft offsets on long street walls), decorative caps, upgraded street-side returns; wood fencing is prohibited (§ 17.425.020.D.4).
  • Mailboxes: cluster enclosures must match adjacent building form/material/color (§ 17.425.020.D.5).
  • Evaluation: projects are scored; ≥5 lots go to the Commission, ≤4 lots are approved by the Director (§ 17.425.020.C).
  • Two‑unit projects must meet all objective development standards citywide (§ 17.910.020).

For landscape materials and irrigation, see Landscaping and Screening.

Specific use with added design standards: Vehicle storage and towing yards

When allowed by zone (verify under Land Use), these yards must meet added operational and design standards, which the review authority may further condition during discretionary review (§ 17.430.350.B–C):

  • Separation: ≥300 ft from any residential, mixed use, office, or commercial zone, measured property-line to property-line (§ 17.430.350.C.1).
  • Perimeter: 8 ft high decorative masonry wall; comply with fences/walls rules and City Landscape and Design Guidelines on major streets (§ 17.430.350.C.2; Chapter 17.315).
  • Street frontage: ≥20 ft landscaped setback along all street frontages (§ 17.430.350.C.3).
  • Surfacing and drainage: dust/weed/mud-retardant surface; contain and dispose of runoff on-site to meet NPDES (§ 17.430.350.C.5).
  • Apply performance standards, metal building rules, parking, and signage chapters (§ 17.430.350.C.6–C.9).
  • Pre-existing uses track Nonconforming Uses (§ 17.430.350.A).

Residential zones — how design review interacts district-by-district

The development standards below are applied during design review for residential projects and additions. Use the City’s zoning map to confirm your base district; if an overlay applies, see Overlay Districts.

RE

  • Purpose/typical uses: Not found in source materials.
  • Key dimensional standards: density 0.0–1.0 du/ac; parcel area 2 acres; parcel width 150 ft; depth 300 ft; front setback 25 ft; interior side 20 ft; street side 20 ft; rear 20 ft; lot coverage 50%; height 35 ft primary, 15 ft accessory (§ 17.215.030).
  • Where it applies: Verify with the jurisdiction.

RR

  • Purpose/typical uses: Not found in source materials.
  • Key dimensional standards: density 0.0–2.0 du/ac; parcel area 15,000 sq ft; width 100 ft; depth 100 ft; front 25 ft; interior side 20 ft; street side 20 ft; rear 20 ft; lot coverage 50%; height 35 ft/15 ft (§ 17.215.030).
  • Where it applies: Verify with the jurisdiction.

RL

  • Purpose/typical uses: Not found in source materials.
  • Key dimensional standards: density 2.1–7.0 du/ac; parcel area 5,000 sq ft; width 50 ft interior/70 ft corner; depth 100 ft; front 20 ft; interior side 5 ft; street side 10 ft; rear 20 ft; lot coverage 55%; height 35 ft/15 ft (§ 17.215.030).
  • Where it applies: Verify with the jurisdiction.

RM

  • Purpose/typical uses: Not found in source materials.
  • Key dimensional standards: density 5.0–14.0 du/ac; parcel area 4,000 sq ft; width 40 ft; depth 80 ft; front 15 ft house / 20 ft garage; interior side 5 ft; street side 7 ft; rear 10 ft; lot coverage 60%; height 35 ft/15 ft; common open space 250 sq ft and private 100 sq ft per dwelling (§ 17.215.030).
  • Where it applies: Verify with the jurisdiction.

RH

  • Purpose/typical uses: Not found in source materials.
  • Key dimensional standards: density 14.1–22.0 du/ac; parcel area 20,000 sq ft; width 100 ft; depth 100 ft; other RM-like dimensional standards are referenced to multi‑family chapter; height 45 ft/15 ft (§ 17.215.030; see Chapter 17.420 referenced).
  • Where it applies: Verify with the jurisdiction.

RVH

  • Purpose/typical uses: Not found in source materials.
  • Key dimensional standards: density 22.1–32.0 du/ac; parcel area 20,000 sq ft; width 100 ft; depth 100 ft; height 45 ft/15 ft; other multi‑family standards apply via Chapter 17.420 (§ 17.215.030).
  • Where it applies: Verify with the jurisdiction.

Additional residential notes applied in review (§ 17.215.030):

  • Slope: rear setback area max 3% slope; rear yard area max 5% slope with 20 ft min depth.
  • Separation: 10 ft minimum between multiple primary structures and between a primary and accessory structure.
  • Cross-references: Accessory structures (Chapter 17.405); fences/walls (Chapter 17.315); landscaping (Chapter 17.325); parking (Chapter 17.330); front yard paving (Section 17.215.035; § 17.330.100); signage (Chapter 17.335).

Practical process notes

  • Timelines: Expect an action within 30 working days of a complete application (§ 17.630.050.B).
  • Hearings: No hearing for Director decisions; Commission actions require a public hearing (§ 17.630.040.E).
  • Conditions: The City can require land dedications and infrastructure proportionate to the project’s impacts (§ 17.630.060.B).
  • Effectiveness: No grading/building/occupancy permits until the decision is final (§ 17.630.070.A; § 17.660.030 referenced).
  • Minor changes: Field-fit adjustments that don’t change area/height/units, architecture significantly, or intensity may be approved by the Director (§ 17.630.080).
  • Objective standards: Two‑unit projects must meet all objective standards in Title 17 (§ 17.910.020). For relief, see Variances and Exceptions if eligible.

Checklist

  • Confirm your base zone and any overlays on the parcel; if hillside (≥15% slope) or floodplain applies, factor in added review bodies (§ 17.630.030.C). See Overlay Districts.
  • Determine if the project is exempt (e.g., accessory structures, minor exterior work with no expansion) or if it triggers review (new structures; residential >500 sq ft or >25%; commercial/industrial ≥25%) (§ 17.630.030.D; § 17.630.020.E).
  • Scope your submittal to address the City’s design criteria: site efficiency, neighborhood compatibility, access and parking, landscaping/open space, and consistency with adopted guidelines (§ 17.630.040.C.5).
  • For single-family projects, incorporate required design moves: garage recess (≥5 ft), driveway ≤35% with ≥40% pervious area, fence/wall articulation, and setback variation (§ 17.425.020).
  • For specialized uses (e.g., vehicle storage/tow), include buffers, walls, landscaping, surfacing/drainage, and related chapter compliance (§ 17.430.350).
  • Prepare objective compliance matrices where applicable (e.g., two‑unit projects) (§ 17.910.020).
  • Anticipate potential conditions (e.g., dedications, frontage improvements) and show them on plans (§ 17.630.060).
  • Do not pull grading/building permits until the design review approval is final and effective (§ 17.630.070.A).

Risks & Ambiguities

Issue Why it matters What to verify
Director vs. Commission decision for large projects Table 6‑2 shows the Director as “Decision” even for 51+ units or ≥10,000 sq ft; the Director may also refer cases upward Confirm current delegation of authority with Planning; if controversial, expect Commission review (§ 17.630.030.C; § 17.630.050.C)
Exemption boundaries Minor exterior changes are exempt only if they don’t expand building size Show that no GFA is added; confirm with staff during [zoning clearance] that the scope fits § 17.630.030.D (and Chapter 17.655)
“Significant” thresholds Residential 500 sq ft vs. 25% and commercial/industrial ≥25% trigger review Compute both thresholds and document; when near thresholds, request staff interpretation (§ 17.630.020.E)
Hillside/floodplain overlays Extra review bodies and standards may apply Check topography and FEMA/FIRM data; expect Commission or Floodplain Administrator involvement (§ 17.630.030.C)
Design guideline applicability Consistency with any adopted guidelines is a review criterion Ask staff for any area or corridor-specific guidelines cited in § 17.630.040.C.5.j
Conditions requiring dedications Frontage or off-site work may be conditioned Discuss nexus and proportionality early; conditions must relate to project impacts (§ 17.630.060.B)
Timeline expectations Action is due in 30 working days after completeness Plan submittal schedule accordingly; completeness review occurs under § 17.600.070 (referenced in § 17.630.040)
Two‑unit projects and objective standards Objective standards must be met; subjective design findings may be limited Submit an objective compliance table; confirm no conflicts with state law via § 17.910.020

Plain-English Summary

Most projects in San Jacinto need Site Plan and Design Review before any building or grading permit. The City looks for fit with zoning, site layout, traffic and parking, landscaping, and neighborhood character, and can condition approvals. Homes adding more than 500 sq ft or 25% of their size trigger review, and single‑family design rules like garage recesses and driveway limits are applied. Hillside and floodplain sites add extra oversight.

Source References

  • § 17.630.010 Purpose and Intent
  • § 17.630.020 Applicability and definitions of “significant” enlargement
  • § 17.630.030 Review Authority; exemptions; Table 6‑2
  • § 17.630.040 Review criteria; hearings; inspections
  • § 17.630.050 Findings; 30‑day action; referrals
  • § 17.630.060 Conditions of Approval; dedications/infrastructure
  • § 17.630.070 Issuance of Other Required Permits; compliance
  • § 17.630.080 Minor Changes by Director
  • § 17.630.090 Post‑Decision Procedures
  • § 17.215.030 Residential Zone Development Standards (Table 2‑4)
  • § 17.425.020 Residential Development Design Regulations (single‑family)
  • § 17.430.350 Vehicle Storage and Towing and Storage (design/operational standards)
  • § 17.655.030 Zoning Clearance Review Procedure
  • § 17.910.020 Objective Development Standards (two‑unit projects)
  • Cross‑references noted in the above sections: Chapters 17.300, 17.305 (incl. § 17.305.070; § 17.305.080), 17.325, 17.330, 17.335, 17.420, 17.500, 17.600.070, 17.660, 17.710, 17.715

Sources

Source passages

  • San Jacinto Zoning Code (§ 17.630.030) Medium relevance
  • San Jacinto Zoning Code (§ 17.430.350) Medium relevance
  • San Jacinto Zoning Code (§ 17.425.020) Medium relevance
  • San Jacinto Zoning Code (§ 17.630.020) Medium relevance
  • San Jacinto Zoning Code (§ 17.630.060) Medium relevance
  • San Jacinto Zoning Code (§ 17.215.030) Medium relevance
  • San Jacinto Zoning Code (§ 17.630.010) Medium relevance
  • San Jacinto Zoning Code (§ 17.630.040) Medium relevance
  • San Jacinto Zoning Code (§ 17.630.070) Medium relevance
  • San Jacinto Zoning Code (§ 17.630.090) Medium relevance
  • San Jacinto Zoning Code (§ 17.630.050) Medium relevance
  • San Jacinto Zoning Code (§ 17.630.080) Medium relevance
  • San Jacinto Zoning Code (§ 17.655.030) Medium relevance
  • San Jacinto Zoning Code (§ 17.910.020) Medium relevance

Cited sections

Frequently asked questions

Do I need design review for a house addition in San Jacinto?

Yes, if the addition is larger than 500 sq ft or more than 25% of the home’s existing floor area, whichever is less (§ 17.630.020.E.1; § 17.630.030.B). Smaller additions may be exempt from a design review application but still must meet all code requirements at plan check (§ 17.630.030.D).

Who decides my Site Plan and Design Review — staff or the Planning Commission?

Most projects are decided by the Director with appeals to the Commission per Table 6‑2; hillside projects go to the Commission, and floodplain projects go to the Floodplain Administrator (§ 17.630.030.C). The Director can also refer significant or controversial projects to the Commission (§ 17.630.050.C–D).

Is there a public hearing for design review?

Not for Director-level decisions. Public hearings are required for Commission decisions, and noticing follows Chapter 17.710 (§ 17.630.040.E).

How long does design review take?

Once your application is complete, the review authority must approve, approve with conditions, or deny within 30 working days (§ 17.630.050.B). Allow time before that for completeness review (§ 17.600.070 referenced).

Are single-family infill homes exempt from design review?

Yes, a single-family residence on a legal infill parcel is exempt from filing a site plan/design review application, but the City still checks for full code compliance during permit review (§ 17.630.030.D.1). Subdivisions are not exempt.

What design rules apply to garages and driveways for new homes?

At least two of any three adjacent houses must have garages recessed by 5 ft or be side-entry; driveways can cover no more than 35% of the front yard setback area and must retain at least 40% pervious landscaping (§ 17.425.020.D.3).

What added design standards apply to vehicle storage/tow yards?

They must be at least 300 ft from residential/mixed use/office/commercial zones, be fully enclosed by an 8‑ft decorative masonry wall, provide a 20‑ft landscaped street setback, and meet surfacing/drainage and related standards (§ 17.430.350.C).

Can conditions require me to dedicate land or build frontage improvements?

Yes. Conditions may include dedications or public infrastructure to the extent necessitated by the development (§ 17.630.060.B). Discuss expected improvements early.

Do two‑unit (SB 9‑type) projects go through design review?

Two‑unit projects must comply with all objective development standards; confirm the applicable process with Planning. Any applied standards must be objective per § 17.910.020.

When can I pull a building or grading permit?

Only after your design review approval is final and effective; permits issued in violation are void (§ 17.630.070.A; § 17.630.020.C.2; § 17.660.030 referenced).

General information, not legal advice.

More in San Jacinto code

Ask about any San Jacinto property

Get a cited, plain-English answer on San Jacinto zoning, setbacks, FAR, ADUs and permits — for any address.

Start Free Trial

More San Jacinto zoning topics

San Jacinto Zoning

San Jacinto Land Use

San Jacinto Development Standards

San Jacinto Parking

San Jacinto Overlay Districts

San Jacinto Historic Preservation

San Jacinto Signage

San Jacinto Nonconforming Uses

San Jacinto Variances and Exceptions

San Jacinto Landscaping and Screening

San Jacinto overview

San Jacinto municipal code (full text)