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What Are You Allowed to Build at 275 Los Ranchitos Rd, San Rafael, CA, 94903?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit.
In Home Apartment
(Conversion or Addition)
Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit.
Swimming Pool
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
This property may meet the zoning requirements to build a Single-Family home up to 6,500 sq ft of zoning-counted floor area allowed By Conditional Use Permit, or possibly more by Special Permit. Additional factors may affect feasibility.
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 6,500 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
SAN RAFAEL
Parcel ID
17506063
Property Type
Multi Family
Zone
PD
Year Built
1990
Lot Size
77,667 sq ft
Gross Building Area
88,401 sq ft
Gross Floor Area
60,045 sq ft
Living Area
31,690 sq ft
Basement Area
0 sq ft
Impervious Surface
31,690 sq ft
40.8%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.
What Are You Allowed to Build at 275 Los Ranchitos Rd, San Rafael, CA, 94903?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit.
In Home Apartment
(Conversion or Addition)
Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit.
Swimming Pool
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
This property may meet the zoning requirements to build a Single-Family home up to 6,500 sq ft of zoning-counted floor area allowed By Conditional Use Permit, or possibly more by Special Permit. Additional factors may affect feasibility.
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 6,500 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
SAN RAFAEL
Parcel ID
17506063
Property Type
Multi Family
Zone
PD
Year Built
1990
Lot Size
77,667 sq ft
Gross Building Area
88,401 sq ft
Gross Floor Area
60,045 sq ft
Living Area
31,690 sq ft
Basement Area
0 sq ft
Impervious Surface
31,690 sq ft
40.8%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.