Section 16 Internal Accessory Dwelling Unit
Unofficial copy. It may be out of date. Not legal or zoning advice. Zoning rules change, and only the city or county can say for sure what is allowed on a property. Confirm with the city or county planning department before you buy, sign or build.
The official Elsinore code is at https://www.elsinoreut.com/land-use-ordinances/.
Text pulled 2026-10-19 from this source.
Tables (like use tables) may not copy cleanly, so check any table against the official code.
Confirm anything here with Elsinore planning before you rely on it.
INTERNAL ACCESSORY DWELLING UNITS
ELSINORE TOWN RECOGNIZES THAT INTERNAL ACCESSORY DWELLING UNITS IN SINGLE-FAMILY RESIDENTIAL ZONES CAN BE AN IMPORTANT TOOL IN THE OVERALL HOUSING PLAN FOR ELSINORE.
PURPOSE: THE PURPOSE OF THE INTERNAL ACCESSORY DWELLING UNIT.
A.
ALLOWS OPPORTUNIES FOR PROPERTY OWNERS TO PROVIDE SOCIAL OR PERSONAL SUPPORT FOR
FAMILY MEMBERS WHERE INDEPENDENT LIVING IS DESIRABLE.
B.
PROVIDE FOR AFFORDABLE HOUSING OPPORTUNITIES.
C.
MAKE HOUSING UNITS AVAILABLE TO MODERATE INCOME PEOPLE WHO MIGHT OTHERWISE HAVE
DIFFICUTLY FINDING HOUSING IN ELSINORE.
D.
PROVIDE OPPORTUNITIES FOR ADDITIONAL INCOME TO OFFSET RISING HOUSING
COSTS.
E.
PRESERVE THE CHARACTER OF RESIDENTIAL ZONES BY PROVIDING STANDARDS GOVERNING
DEVELOPMENT OF INTERNAL ACCESSORY DWELLING UNITS.
F.
ENSURE THAT INTERNAL ACCESSORY DWELLING UNITS ARE PROPERLY REGULATED BY REQUIRING
PROPERTY OWNERS TO OBTAIN A CONDITIONAL USE PERMIT AND A BUILDING PERMIT FOR AN INTERNAL
ACCESSORY DWELLING UNIT PRIOR TO RENTING THE IADU.
DEFINITIONS:
INTERNAL ACCESSORY DWELLING UNIT – (IADU) MEANS A UNIT CREATED; A. WITHIN A PRIMARY DWELLING B. WITHIN THE FOOTPRINT OF THE PRIMARY DWELLING AT THE TIME THE IADU IS CREATED C. FOR THE PURPOSES OF OFFERING A LONG-TERM RENTAL OF 30 CONSECUTIVE DAYS OR LONGER
OWNER OCCUPANCY – MEANS A PROPERTY WHERE THE PROPERTY OWNER, AS REFLECTED IN TITLE RECORDS, MAKES HIS OR HER LEGAL RESIDENCE AT THE SITE.
PRIMARY DWELLING – MEANS A SINGLE-FAMILY DWELLING THAT IS OCCUPIED AS THE PRIMARY RESIDENCE OF THE OWNER OF RECORD.
ALLOWED ZONES:
A.
IADU INCORPORATED WITHIN A SINGLE-FAMILY RESIDENCE SHALL BE A PERMITTED USE
ON RESIDENTIAL LOTS, IN RESIDENTIAL ZONES. THE MINIMUM LOT SIZE MUST BE 6,000
SQUARE FOOT OR GREATER.
B.
IADU SHALL NOT BE PERMITTED IN COMMERCIAL, OR INDUSTRIAL ZONES.
C.
IN NO CASE SHALL AN IADU BE PERMITTED IN A DETACHED DWELLING THAT IS
ACCESSORY TO THE PRIMARY DWELLING.
D.
A MOBILE HOME WILL NOT BE PERMITTED TO HAVE AN IADU.
SETBACKS: SETBACKS ON ALL IADUS SHALL BE CONSISTENT WITH SETBACKS FOR A SINGLE-FAMILY DWELLING IN EACH ZONE.
PARKING REQUIREMENTS:
IN ADDITION TO THE REQUIRED PARKING FOR THE EXISTING HOME, THE PROPERTY OWNER MUST DEMONSTRATE THAT ONE (1) ON SITE PARKING SPACE IS AVAILABLE FOR AN IADU. IN CASES WHERE GARAGE CONVERSIONS ARE DONE TO
SECTION 16, INTERNAL ACCESSORY DWELLING UNIT - PAGE 1
CREATE AN IADU, A REPLACEMENT ON SITE PARKING SPACE IS REQUIRED FOR THE PRIMARY DWELLING IN A NUMBER EQUAL TO THE PARKING SPACES ELIMINATED BY THE IADU.
OWNER OCCUPANCY:
THE PRIMARY DWELLING OF THE IADU MUST HAVE OWNER OCCUPANCY. A PERMIT FOR AN IADU SHALL INCLUDE EVIDENCE OF OWNER OCCUPANCY. ONLY ONE (1) IADU IS ALLOWED PER LOT.
IADU DESIGN STANDARDS:
A.
AN APPROVED BUILDING PERMIT IS REQUIRED FOR ALL IADUS BEFORE AN IADU IS
CONSTRUCTED, AND ALL OTHER APPLICABLE PROVISIONS OF THIS SECTION AND SEVIER
COUNTY CODE MUST BE MET BEFORE AN IADU CAN BE RENTED.
B.
THE DESIGN AND SIZE OF AN IADU SHALL CONFORM TO ALL APPLICABLE BUILDING,
PLUMBING, ELECTRICAL, MECHANICAL AND HEALTH CODES, INCLUDING APPLICABLE
WATER REQUIREMENTS.
C.
CONVERSIONS OF AN EXISTING SPACE TO AN IADU WILL REQUIRE COMPLIANCE WITH
SAFETY REQUIREMENTS PER BUILDING CODE INCLUDING, BUT NOT LIMITED TO, EGRESS WINDOWS WITH
WINDOW WELLS IF NEEDED, SUFFICIENT HVAC AND/OR CLIMATE CONTROL FOR THE IADU, HARD WIRED
SMOKE DETECTORS IN EACH BEDROOM AND HALLWAY AND A WORKING FIRE EXTINGUISHER LOCATED IN
A CENTRAL LOCATION.
D.
AN IADU SHALL NOT HAVE A SEPARATE UTILITY METER FROM THE PRIMARY DWELLING.
E.
IF A PRIMARY DWELLING UNIT IS SERVED BY A FAILING SEPTIC TANK (AS DETERMINED
BY THE SEVIER COUNTY HEALTH DEPARTMENT) AN IADU WILL BE PROHIBITED.
F.
OWNER SHALL PROVIDE A SEPARATE ADDRESS MARKING FOR EMERGENCY SERVICES
AND MAILING SERVICES.
G.
SINGLE-FAMILY RESIDENCES WITH AN IADU SHALL RETAIN THE SAME APPEARANCE AS A
SINGLE-FAMILY RESIDENCE.
H.
ONLY ONE FRONT DOOR SHALL BE VISIBLE FROM THE FRONT YARD. ANY NEW
ENTRANCES SHALL BE ON THE SIDE OR REAR OF THE PRIMARY DWELLING.
I.
INTERIOR ACCESS BETWEEN THE PRIMARY LIVING AREA AND THE ACCESSORY
DWELLING UNIT MUST BE MAINTAINED.
LETTER AND NOTICE OF INTERNAL ACCESSORY DWELLING UNIT:
PERMITS FOR AN IADU SHALL PROVIDE A LETTER STATING THAT THE OWNER OF THE PROPERTY WILL LIVE IN EITHER THE PRIMARY OR IADU AS THEIR PERMANENT RESIDENCE. UPON APPROVAL OF THE IADU BY THE PLANNING AND ZONING COMMISSION A NOTICE OF IADU INCLUDING THE LETTER SHALL BE RECORDED AGAINST THE PROPERTY TO PROVIDE NOTICE TO A FUTURE OWNER OF THE OWNER OCCUPANCY REQUIREMENT OF THE IADU. UPON SALE OF THE PROPERTY, THE NEW OWNER SHALL BE REQUIRED TO SIGN AND RECORD A NEW LETTER AND SECURE REAUTHORIZATION OF THE IADU BY THE PLANNING AND ZONING COMMISSION.
VARIANCES:
THE PLANNING AND ZONING COMMISSION MAY GRANT VARIANCES TO THE STANDARD OF THIS SECTION BUT MAY NOT GRANT A VARIANCE FROM BUILDING CODE REQUIREMENTS, OWNER OCCUPANCY PROVISIONS, LOT SQUARE FOOTAGE REQUIREMENTS, OR THE NUMBER OF UNITS ALLOWED PER LOT.
PENALTY:
ELSINORE TOWN MAY PROSECUTE OR FINE ANY INDIVIDUAL WHO ADVERTISES AN IADU AS A SHORT-TERM RENTAL ON A SHORT-TERM RENTAL WEBSITE.
SECTION 16, INTERNAL ACCESSORY DWELLING UNIT - PAGE 2
Section 15 Property Access · Section 17 Non-Conforming Buildings and Uses