Summary
- Location
- San Luis Obispo County, California, USA
- County-level accepted plans
- 6 accepted plans
- Providers
- 2 providers
- Origin programs
- 1 program
- Plan size range
- 399 to 1,200 sq ft
- Permit sources
- 10 sources
County context
San Luis Obispo County Pre-Approved ADU Plans
Browse official city and county pre-approved ADU plan programs in San Luis Obispo County, California.
Program Overview
This San Luis Obispo County page summarizes source-backed county context for San Luis Obispo County, California. The current public dataset lists 8 city program pages in this county and 6 county-level accepted-plan records. County-level plan sources include County of San Luis Obispo, County of San Luis Obispo Planning and Building, www.slocounty.ca.gov, and others. Provider names include San Luis Obispo County Pre-Reviewed ADU Program and County of San Luis Obispo Pre-reviewed 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 1 fee record and 10 permit requirement records. Missing source fields remain Not listed in source, and directory records do not guarantee permit approval.
Included Locations
City
Arroyo Grande, San Luis Obispo County, California, USA
0 accepted plans
City
Atascadero, San Luis Obispo County, California, USA
0 accepted plans
City
El Paso de Robles (Paso Robles), San Luis Obispo County, California, USA
4 accepted plans
City
Grover Beach, San Luis Obispo County, California, USA
0 accepted plans
City
Morro Bay, San Luis Obispo County, California, USA
0 accepted plans
City
Paso Robles, San Luis Obispo County, California, USA
4 accepted plans
City
Pismo Beach, San Luis Obispo County, California, USA
0 accepted plans
City
San Luis Obispo, San Luis Obispo County, California, USA
0 accepted plans
County-Level Accepted Plans
6 plansAccepted
Blueblossom
Source-backed record Official county source
- Origin program
- San Luis Obispo County, California, USA
- Accepted location
- San Luis Obispo County, California, USA
- Size
- 1,200 sq ft
- Bedrooms
- 4 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 12, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Accepted
Blueblossom
Source-backed record Official county source
- Origin program
- San Luis Obispo County, California, USA
- Accepted location
- San Luis Obispo County, California, USA
- Size
- 1,200 sq ft
- Bedrooms
- 4 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
Manzanita
Source-backed record Official county source
- Origin program
- San Luis Obispo County, California, USA
- Accepted location
- San Luis Obispo County, California, USA
- Size
- Not listed in source
- Bedrooms
- 3 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 12, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Accepted
Manzanita
Source-backed record Official county source
- Origin program
- San Luis Obispo County, California, USA
- Accepted location
- San Luis Obispo County, California, USA
- Size
- 768 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
Sage
Source-backed record Official county source
- Origin program
- San Luis Obispo County, California, USA
- Accepted location
- San Luis Obispo County, California, USA
- Size
- Not listed in source
- Bedrooms
- 2 beds
- Bathrooms
- Not listed in source
- Last checked
- Aug 12, 2026
Verify current acceptance, site limits, and permit requirements with the local building department.
Accepted
Sage
Source-backed record Official county source
- Origin program
- San Luis Obispo County, California, USA
- Accepted location
- San Luis Obispo County, California, USA
- Size
- 399 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.
Permit Requirements
10 requirementsUnincorporated county
No plan modifications
The county pre-reviewed pathway requires use of the plan without modification.
- Source
- Pre-Reviewed ADUs
- Last checked
- Aug 12, 2026
- Notes
- Not listed in source
Site specific
County permit and site review
A project-specific county permit, zoning, utility, fire, and site review remain required.
- Source
- Pre-Reviewed ADUs
- Last checked
- Aug 12, 2026
- Notes
- Not listed in source
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.
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
County permit process
Required
- Source
- Pre-reviewed ADUs
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Site specific
Plan modifications
Not permitted while retaining pre-reviewed treatment
- Source
- Pre-reviewed ADUs
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Site specific
Zoning confirmation
Required before use
- Source
- Pre-reviewed ADUs
- Last checked
- Aug 17, 2026
- Notes
- Not listed in source
Fees
1 fee recordSite specific
County permits and site work
Variable; current county permit, utility, engineering, and site-specific charges remain.
- Source
- Pre-Reviewed ADUs
- Last checked
- Aug 12, 2026
- Notes
- Not listed in source
Official Sources
10 sourcesPre-Reviewed ADUs
- Publisher
- County of San Luis Obispo
- Last checked
- Aug 12, 2026
Pre-Reviewed ADUs in Inland Area
- Publisher
- County of San Luis Obispo
- Last checked
- Aug 12, 2026
Pre-reviewed ADUs
- Publisher
- County of San Luis Obispo Planning and Building
- Last checked
- Aug 17, 2026
Pre-reviewed ADUs - County of San Luis Obispo
- Publisher
- www.slocounty.ca.gov
- Last checked
- Aug 21, 2026
Pre-reviewed ADUs in Inland Area - County of San Luis Obispo
- Publisher
- www.slocounty.ca.gov
- Last checked
- Aug 21, 2026
San Luis Obispo County ADU program information
- Publisher
- San Luis Obispo County
- Last checked
- Aug 17, 2026
San Luis Obispo County ADU program information
- Publisher
- San Luis Obispo County
- Last checked
- Aug 17, 2026
San Luis Obispo County ADU program information
- Publisher
- San Luis Obispo County
- Last checked
- Aug 17, 2026
San Luis Obispo County ADU program information
- Publisher
- San Luis Obispo County
- Last checked
- Aug 17, 2026
San Luis Obispo County ADU program information
- Publisher
- San Luis Obispo County
- Last checked
- Aug 17, 2026