San Jacinto — Nonconforming Uses

Last reviewed: July 2, 2026

Overview

San Jacinto regulates nonconforming parcels, structures, signs, and uses in Chapter 17.705 of the Development Code. The code preserves legal pre‑existing uses but limits change, enlargement, and re‑establishment; it defines proof, timelines for loss of status, reconstruction limits after damage, and an amortization schedule for short‑lived nonconformities. See the chapter purpose and definitions at § 17.705.010 and § 17.705.020 for the legal framework.

Important related topics that interact with nonconforming status include parking, San Jacinto Development Standards (setbacks, lot coverage), design review, overlay districts, ADUs, and the California Building Standards Code (Title 24). These programs affect whether and how a nonconforming element may be repaired, expanded, or replaced; consult each when planning work.

Key Nonconforming Rules (plain-English, ordinance anchors)

• Continued use allowed but limited. A legal nonconforming use or structure may continue, and ownership transfers do not automatically end protected status, provided the use/intensity does not change as determined by the Director. See § 17.705.050(A)(1).

• Change or expansion. Nonconforming uses may not be changed to another nonconforming use or expanded except through the limited Nonconforming Adjustment procedures and findings. See § 17.705.050(A)(4) and § 17.705.120 (Nonconforming Adjustments).

• Loss of status for abandonment/cessation. A nonconforming use or structure loses its protected status if it is discontinued or ceased for 180 consecutive days (with special longer rules for dwelling units and agricultural uses). See § 17.705.070(A).

• Damage and reconstruction thresholds. If involuntary damage exceeds 50% of appraised value, restoration must conform to current code (with residential exceptions for reconstruction of single‑family footprints under certain conditions). Restoration must commence within 180 days to use limited restoration rights. See § 17.705.050(B) and § 17.705.060.

• Amortization / required elimination. The Code includes an amortization schedule (Table 7‑1) that establishes timeframes for some classes of nonconformity to be removed or brought into compliance (e.g., short‑lived nonconforming uses/structures and parking/screening). See § 17.705.070(E) and Table 7‑1.

• Nonconforming parcels. A parcel that was legal before the Code but does not meet current area/width/depth rules may be a “legal building site” if it satisfies objective criteria (recorded subdivision, deed prior to the amendment, variance/lot‑line adjustment, or limited government acquisition exception). See § 17.705.080.

• Owner burden of proof. The property owner must prove legal nonconforming status; the Director holds an administrative hearing and decision that is appealable. See § 17.705.040.

District-by-district breakdown (how nonconforming rules interact with each zone)

Below are the principal zoning districts used in the San Jacinto Development Code with a short, San Jacinto‑specific note about what becomes nonconforming in that district and the most relevant dimensional standards. For permitted uses consult Table 2‑2 and for development standards consult Table 2‑4 (residential) and the zone‑specific tables.

RE (Ranch Estates)

• Purpose: large‑lot residential and agricultural edge uses. Typical permitted uses: agricultural activities, single‑family dwellings (P), agritourism (CUP in many cases). Key dimensional standards: Parcel area: 20,000 sq. ft., Front setback: 25 ft., Lot coverage: 50%, Height (primary): 35 ft. See table notes in Article 2 and Table 2‑4. Verify parcel specifics with the Director. See § 17.205.030.

RR (Rural Residential)

• Purpose: transition from agricultural to lower density residential. Typical permitted uses: single‑family, limited small‑scale farming. Key standards: Front setback: 25 ft., Lot coverage: 50%, Parcel width: ~100 ft. See Table 2‑4 and Table 2‑2.

RL (Low‑Density Residential)

• Purpose: single‑family neighborhoods. Typical permitted uses: single‑family homes, accessory uses and limited home businesses. Key standards: Front setback: 20 ft., Interior side: 5 ft., Lot coverage: 55%, Primary height: 35 ft. Nonconforming single‑family structures have reconstruction protections under § 17.705.060.

RM (Medium‑Density Residential)

• Purpose: townhomes and small‑scale multifamily. Typical permitted uses: multi‑family residential, accessory dwelling units (ADUs subject to state ADU law). Key standards: Front setback: house 15 ft / garage 20 ft, Lot coverage: 60%, Primary height: 35 ft. Nonconforming multi‑family dwelling reconstruction follows § 17.705.060(B). See § 17.705.060.

RH / RVH (Higher density residential)

• Purpose: higher intensity apartments/condos. Typical permitted uses: multifamily housing (P or CUP depending on density). Key standards: larger allowable height and unit density; lot coverage often 60%+, height up to 45 ft in some subzones—see Table 2‑4 and zone tables. Verify density with Table 2‑8.

CN / CG / CR (Neighborhood, General, Regional Commercial)

• Purpose: retail, services, small offices. Typical permitted uses: retail, restaurants (with restrictions), personal services. A legal pre‑existing commercial use that does not meet current parking/screening must eliminate those nonconformities per amortization/term rules; expansions are limited (see Nonconforming Adjustments). See § 17.705.050(A)(5).

OP / BP (Office/Business Park)

• Purpose: professional offices, research, low‑impact industrial support. Typical permitted uses: offices, light industrial support. Nonconforming industrial uses within a commercial development may be replaced by similar uses only after Director findings. See § 17.705.050(A)(5).

IL / IH (Light & Heavy Industrial)

• Purpose: industrial production, warehousing. Typical permitted uses: manufacturing, distribution. Nonconforming uses in industrial zones may be required to remove screening/performance nonconformities. Structural repair limits and investment caps (50% appraisal rule) apply for nonresidential structures. See § 17.705.050(B)(6).

MU / MU‑E / DV (Mixed‑Use, Mixed‑Use Entertainment, Downtown Village)

• Purpose: walkable mixed residential/commercial centers. Typical permitted uses: combinations of residential and commercial; conversion of legally established single‑family in mixed‑use zones may be allowed under specific rules. Nonconforming residential uses in downtown/mixed areas are often treated as conforming when legally established — check zone exceptions in Article 2. See § 17.227.040.

OSG / OSR / PI / SP / W (Open Space, Public Institutional, Specific Plan, Water Source)

• Purpose: parks, open space, public facilities, special plan areas. Nonconformities are rare but if they occur they are handled per Chapter 17.705; the W zone (Water Source) effectively prohibits private development, so any preexisting uses may be subject to special rules on annexation nonconformity. See § 17.205.030 and § 17.705.020(G).

For full, parcel‑specific allowed uses consult Table 2‑2 (Allowed Uses and Permit Requirements) and the zone‑specific standards in Article 2.

Quick Decision Table (most decision‑relevant nonconforming rules)

Nonconforming Adjustments (process overview)

• The City provides a formal Nonconforming Adjustment path for requests to continue, substitute, or make minor modifications to legal nonconforming uses/structures (not for new construction). Approval requires special findings that the adjustment is necessary because the use/structure was legal when established, won’t be a serious public hazard, and is compatible with surrounding uses. See § 17.705.120.

• Where an expansion requires a CUP or Minor Use Permit, the approval will be conditioned to address screening, parking, landscaping, and the Code’s public notice and appeal rules — see Chapters 17.605 (permits), 17.710 (noticing) and Table 6‑1 for review authority.

Checklist

• Confirm the date the use/structure became nonconforming (time of beginning for nonconformity) and gather pre‑existing documentation (subdivision map, deeds, permits). See § 17.705.030.
• Determine whether the owner can prove legal nonconforming status (collect business receipts, utility bills, permits, photographs). See § 17.705.040.
• For proposed repairs/alterations, get an appraiser’s valuation and Building Official review to determine the 50% threshold. See § 17.705.050(B).
• If the use has been inactive, document continuity; if over 180 days prepare to bring the property into compliance with current zone rules. See § 17.705.070(A).
• Check parking, landscaping, and screening obligations; if expanding, ensure off‑street parking meets Chapter 17.330 standards. See § 17.705.110.
• If seeking substitution/expansion, prepare Nonconforming Adjustment or CUP materials and address the special findings. See § 17.705.120.
• Verify whether any overlay districts or historic preservation rules alter treatment of nonconformities. Verify with the Director.

Risks & Ambiguities

Plain‑English Summary

If your use, building, or lot in San Jacinto was legal before the current Development Code but doesn’t meet today’s rules, you may generally continue it — but you can’t change it, expand it, or leave it unused for long without losing that protection. Major damage (over 50% of appraised value) or more than 180 days of discontinuance usually forces you to bring the property into compliance; limited paths (Nonconforming Adjustments or permits) exist for small, compatible changes. See §§ 17.705.050, 17.705.060, and 17.705.070.

Source References

• Chapter 17.705 (Nonconforming Parcels, Structures, and Uses): § 17.705.010 (Purpose/Intent) and full chapter — Development Code.
• Definitions and Time of Beginning: § 17.705.020 (Definitions) and § 17.705.030.
• Proof of Legal Nonconformity: § 17.705.040.
• Restrictions on continuance, ownership, change: § 17.705.050.
• Residential exemptions and reconstruction: § 17.705.060.
• Loss of nonconforming status, termination, and amortization schedule (Table 7‑1): § 17.705.070 and Table 7‑1.
• Nonconforming parcels and merger rules: § 17.705.080.
• Nonconforming parking: § 17.705.110 (and Chapter 17.330 for off‑street parking standards).
• Nonconforming Adjustments (process and findings): § 17.705.120.
• Table of zones and allowed uses: Table 2‑2 and Article 2 (Zones, Allowable Land Uses).
• Table of residential development standards and setbacks: Table 2‑4 (Development Standards for Residential Zones).

Retrieved passages

• San Jacinto Zoning Code High relevance show source text
• San Jacinto Zoning Code (§ 17.705.030.) High relevance show source text
• San Jacinto Zoning Code (§ 17.705.040.) High relevance show source text
• CBC § 000 High relevance show source text
• San Jacinto Zoning Code (section shall) High relevance show source text
• CBC § 705.060 (Article 2) High relevance show source text
• San Jacinto Zoning Code (chapter that) High relevance show source text
• CFC § 17.705.070 (§ 17.705.070.) High relevance show source text
• San Jacinto Zoning Code (Article 2) Medium relevance show source text
• San Jacinto Zoning Code (§ 17.100.050.) Medium relevance show source text
• San Jacinto Zoning Code (§ 66333) Medium relevance show source text
• CBC § 66314 (§ 66314) Medium relevance show source text
• San Jacinto Zoning Code (Chapter 17.435) Medium relevance show source text
• San Jacinto Zoning Code (Article 4) Medium relevance show source text
• San Jacinto Zoning Code (section may) Medium relevance show source text
• California Building Code Medium relevance show source text

Cited sections

• Chapter 17.705 (Nonconforming Parcels, Structures, and Uses): **§ 17.705.010** (Purpose/Intent) and full chapter — Development Code. (Chapter 17.705)
• Definitions and Time of Beginning: **§ 17.705.020** (Definitions) and **§ 17.705.030**. (§ 17.705.020)
• Proof of Legal Nonconformity: **§ 17.705.040**. (§ 17.705.040)
• Restrictions on continuance, ownership, change: **§ 17.705.050**. (§ 17.705.050)
• Residential exemptions and reconstruction: **§ 17.705.060**. (§ 17.705.060)
• Loss of nonconforming status, termination, and amortization schedule (Table 7‑1): **§ 17.705.070** and Table 7‑1. (§ 17.705.070)
• Nonconforming parcels and merger rules: **§ 17.705.080**. (§ 17.705.080)
• Nonconforming parking: **§ 17.705.110** (and Chapter **17.330** for off‑street parking standards). (§ 17.705.110)
• Nonconforming Adjustments (process and findings): **§ 17.705.120**. (§ 17.705.120)
• Table of zones and allowed uses: **Table 2‑2** and Article 2 (Zones, Allowable Land Uses). (Article 2)
• Table of residential development standards and setbacks: **Table 2‑4** (Development Standards for Residential Zones).
• SanJacinto_ZoningCode.md

• Official San Jacinto code library