Accessory Dwelling Unit - 2 Bedroom 2 Bath Plan - 909 s.f. - Applicant Agreement

Oct 23, 2026

Upload by Miles

Accessory Dwelling Unit (ADU) plan package for an unincorporated area of Riverside County, CA, specifying a 2 bedroom, 2 bath layout with 909 sq. ft. Includes applicant agreement, sheet index, zoning and building information, project and legal description space, and directory and vicinity map sections. Provides owner-completed supplemental items covering site/soils/foundation data, Title 24 energy calculation updates, solar and PV timing, gas/electrical service selection, fire-rated and exterior finish details, and related compliance notes for permits and inspections.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages41

Reading Time1 h 43 min

AccessFree to download

APPLICANT AGREEMENT

SHEET INDEX

ZONING INFORMATION

BUILDING INFORMATION

PROJECT DESCRIPTION

REQUIRED SUPPLEMENTAL INFORMATION - TO BE COMPLETED BY OWNER

Site/Soils/Foundation and Title 24 Updates

Solar/PV and Construction Forms

Fire-Rated Details and Sprinkler Notes

Electrical and Gas Service Selection

Window/Trim and Exterior Style Selections

| Accessory Dwelling Unit
2 Bedroom 2 Bath Plan-909 s.f. Unincorporated County of Riverside, CA | | | | | | | | | | | | | | | APPLICANT AGREEMENT | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | SHEET INDEX | | | | CONTACT LOCAL UTILITY COMPANIES REGARDING GAS, ELECTRIC, WATER AND SEWER SERVICES TO THIS DETACHED ADU. FOR SEPTIC SYSTEMS CONTACT COUNTY OF RIVERSIDE ENVIRONMENTAL HEALTH. SEE EXAMPLE SITE PLAN, SHEET AS.2, FOR MORE INFORMATION PRIOR TO ANY SITE TRENCHING CALL 811. | | | | | | | | | | | ECC NOTES | | | | | | | | | | | | | | | | |

– | | | | | | ZONING INFORMATION | | | DIRECTORY | | | | VICINITY MAP | | | | | | | | | | | | |

| | | | | | | | | | BUILDING INFORMATION | | | | | | | | | | | | | | | | | | | | | | | | PROJECT DESCRIPTION | | | | | | | | | |

| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | LEGAL DESCRIPTION | | | | APN | | | | | | | | | | | | | | | | | | | | | | | REQUIRED SUPPLEMENTAL INFORMATION-TO BE COMPLETED BY OWNER | | | | | | | | | | | | | | | | | additional plan information provided by owner: | | window and trim color: | | | deferred submittals under separate permit to be obtained by owner:
X TO BE COMPLETED | | | fire rated details:
X SELECTION
ROOF EAVE DETAIL 1,2,3,5,6,7/ A5 .2 | | | | | | EXAMPLE GAS PIPE DIAGRAM

SPECIFICATIONS FOR EQUIPMENT SHALL BE KEPT ONSITE TO PROVIDE TO THE COUNTY OF RIVERSIDE BUILDING INSPECTOR
site / soils / foundation information
PLEASE CHECK THE BOX THAT APPLIES TO YOUR PROJECT SITE | | | | | X SELECTION | | | | | | | | | | | | | | | | | | WHITE
TAN
DARK BRONZE
OTHER WINDOW COLOR | | | | | | | | | | | | | | X COMPLETED

TITLE SHEET (T1.1) INFORMATION FILLED OUT
SITE PLAN SHEET (AS.2) PROVIDED IN PLAN SET FOR REVIEW | | | | | | | | | | | | | | | | | | | | | | | | | | | WALL FINISH DETAIL 9B,12B,15B/ A5 .1 | | | | | | | | | | | | | FIRE SPRINKLERS: TO BE PROVIDED BY A FIRE SPRINKLER CONTRACTOR FOR THE
RESIDENTIAL FIRE SPRINKLER PLANS (WHEN REQUIRED) AND APPROVED BY FIRE DEPT.
PHOTOVOLTAIC SYSTEM: THE PV SYSTEM MUST BE INSTALLED, OPERATIONAL, AND FINAL PRIOR TO FINAL BUILDING INSPECTION AND APPROVAL FOR THE ADU. PLANS TO BE | | WINDOW & DOOR HIGH FIRE SEVERITY NOTES 14, 15, 16, 17 & 18 ON G0 .3
FIRE RATED DETAILS ABOVE ARE TO BE USED WHEN WALLS AND ROOF EAVES ARE LESS THAN 5 FT FROM PROPERTY LINE IN AN UNSPRINKLERED BUILDING OR LESS THAN 3 FT FROM PROPERTY LINE IN SPRINKLERED BUILDINGS PER TABLE R302 . 1(1) & R302 . 1(2) .
FIRE RATED DETAILS ABOVE ARE ALSO TO BE USED WHEN THE ADU IS LESS THAN 10 FT FROM THE MAIN DWELLING UNIT IN AN UNSPRINKLERED BUILIDNG OR LESS THAN 6 FT
FROM THE MAIN DWELLING UNIT IN A SPRINKLERED BUILDING.
electrical service information:
X SELECTION UPGRADED SERVICE
EXISTING SERVICE TO REMAIN (LOAD CALCS FOR THE EXISTING DWELLING IS REQUIRED)
NEW SERVICE (NEW ADDRESS REQUIRED) SIZE OF EXISTING SERVICE SIZE OF NEW SERVICE
CONTACT SERVICE PROVIDER, REGARDING ELECTRIC SERVICES TO THIS DETACHED ADU. EXISTING SERVICE UPGRADE OR NEW SERVICE WILL REQUIRE A SEPARATE PERMIT FROM THE COUNTY OF RIVERSIDE.
gas service information:
X SELECTION
UPGRADED SERVICE
EXISTING SERVICE TO REMAIN

| | | | | | | | | | UPDATED SITE SPECI

FAQs

What is the unit size and layout described in this ADU plan?

The plan describes an Accessory Dwelling Unit with 2 bedrooms and 2 bathrooms and a size of 909 sq. ft.

Which types of items must be completed by the owner?

The package lists required supplemental information for the owner, including site/soils/foundation data, Title 24 energy calculation updates, and selections for items like electrical and gas services, window/trim colors, exterior style, and fire-related selections.

What fire and safety requirements are referenced for the ADU?

The notes reference fire-rated details tied to setbacks from the property line, requirements related to residential fire sprinklers depending on existing residence conditions, and guidance on photovoltaic timing and approvals before final inspection.

Oct 23, 2026

Upload by Miles