Summary
- Location
- Placer County, California, USA
- County-level accepted plans
- 15 accepted plans
- Providers
- 1 provider
- Origin programs
- 1 program
- Plan size range
- 661 to 1,194 sq ft
- Permit sources
- 6 sources
County context
Placer County Pre-Approved ADU Plans
Browse official city and county pre-approved ADU plan programs in Placer County, California.
Program Overview
This Placer County page summarizes source-backed county context for Placer County, California. The current public dataset lists 6 city program pages in this county and 15 county-level accepted-plan records. County-level plan sources include Placer County and Placer County Community Development Resource Agency. Provider names include Placer County Pre-Approved ADU Program.
County records may apply only in unincorporated areas or county-administered jurisdictions, so verify the official source before relying on a plan for an incorporated city. County fee and permit data includes 2 fee records and 10 permit requirement records. Missing source fields remain Not listed in source, and directory records do not guarantee permit approval.
Included Locations
City
Auburn, Placer County, California, USA
3 accepted plans
City
Colfax, Placer County, California, USA
0 accepted plans
City
Lincoln, Placer County, California, USA
0 accepted plans
City
Loomis, Placer County, California, USA
0 accepted plans
City
Rocklin, Placer County, California, USA
0 accepted plans
City
Roseville, Placer County, California, USA
0 accepted plans
County-Level Accepted Plans
15 plansAccepted
One Bedroom - 661 Square Feet
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 661 sq ft
- Bedrooms
- 1 bed
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Accepted
One Bedroom - 661 Square Feet
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 661 sq ft
- Bedrooms
- 1 bed
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 661 sq ft
- Bedrooms
- 1 bed
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 661 sq ft
- Bedrooms
- 1 bed
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 661 sq ft
- Bedrooms
- 1 bed
- Bathrooms
- Not listed in source
- Last checked
- Aug 13, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 661 sq ft
- Bedrooms
- 1 bed
- Bathrooms
- Not listed in source
- Last checked
- Aug 13, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 1,194 sq ft
- Bedrooms
- 3 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 13, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Accepted
Three Bedroom - 1,194 Square Feet
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 1,194 sq ft
- Bedrooms
- 3 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Accepted
Three Bedroom - 1,194 Square Feet
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 1,194 sq ft
- Bedrooms
- 3 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 746 sq ft
- Bedrooms
- 2 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 13, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Accepted
Two Bedroom - 746 Square Feet
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 746 sq ft
- Bedrooms
- 2 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Accepted
Two Bedroom - 746 Square Feet
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 746 sq ft
- Bedrooms
- 2 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 749 sq ft
- Bedrooms
- 2 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Provider
- Not listed in source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 749 sq ft
- Bedrooms
- 2 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 17, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Source-backed record Official county source
- Origin program
- Placer County, California, USA
- Accepted location
- Placer County, California, USA
- Size
- 749 sq ft
- Bedrooms
- 2 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 13, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Permit Requirements
10 requirementsAll
County territorial applicability
Placer County permitting jurisdiction
- Last checked
- Aug 13, 2026
- Notes
- Roseville acceptance is not inferred.
Use of a county plan in eligible county territory
Site-specific permit review
Required
- Last checked
- Aug 17, 2026
- Notes
- County catalog applicability does not establish eligibility for every parcel or acceptance by an incorporated city.
Use of a county plan in eligible county territory
Site-specific permit review
Required
- Last checked
- Aug 17, 2026
- Notes
- County catalog applicability does not establish eligibility for every parcel or acceptance by an incorporated city.
Use of a county plan in eligible county territory
Site-specific permit review
Required
- Last checked
- Aug 17, 2026
- Notes
- County catalog applicability does not establish eligibility for every parcel or acceptance by an incorporated city.
Site specific
Site-specific permit
Required
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Site specific
Setback and easement review
Required
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Site specific
Septic and well review
May be required
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Site specific
Site-specific permit
Required
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Site specific
Setback and easement review
Required
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Site specific
Septic and well review
May be required
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Fees
2 fee recordsAll
Plan purchase
Available for purchase from the applicable Master Plan applicant; price not published on the catalog page
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
All
Plan purchase
Available for purchase from the applicable Master Plan applicant; price not published on the catalog page
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Official Sources
6 sourcesPlacer County ADU program information
- Publisher
- Placer County
- Last checked
- Aug 17, 2026
Placer County ADU program information
- Publisher
- Placer County
- Last checked
- Aug 17, 2026
Placer County ADU program information
- Publisher
- Placer County
- Last checked
- Aug 17, 2026
Pre-Approved Accessory Dwelling Unit Plans
- Publisher
- Placer County
- Last checked
- Aug 13, 2026
Pre-Approved Accessory Dwelling Unit Plans
- Publisher
- Placer County Community Development Resource Agency
- Last checked
- Aug 17, 2026
Pre-Approved Accessory Dwelling Unit Plans
- Publisher
- Placer County Community Development Resource Agency
- Last checked
- Aug 17, 2026