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What Are You Allowed to Build at 470 Bollinger Canyon Ln Apt 178, San Ramon, CA, 94582?
Backyard Cottage
(Detached ADU)
Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority
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
Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
Probably Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority
Multifamily
Home Addition
Probably Not Allowed
Our analysis indicates there is no remaining zoning capacity to expand this home. A home addition would likely require zoning relief.
Property facts
Zoning Jurisdiction
SAN RAMON
Parcel ID
2139200139
Property Type
Other
Zone
RH
Year Built
1989
Lot Size
440 sq ft
Gross Building Area
134 sq ft
Gross Floor Area
428 sq ft
Living Area
428 sq ft
Basement Area
0 sq ft
Impervious Surface
134 sq ft
30.4%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 470 Bollinger Canyon Ln Apt 178, San Ramon, CA, 94582?
Backyard Cottage
(Detached ADU)
Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority
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
Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
Probably Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority
Multifamily
Home Addition
Probably Not Allowed
Our analysis indicates there is no remaining zoning capacity to expand this home. A home addition would likely require zoning relief.
Property facts
Zoning Jurisdiction
SAN RAMON
Parcel ID
2139200139
Property Type
Other
Zone
RH
Year Built
1989
Lot Size
440 sq ft
Gross Building Area
134 sq ft
Gross Floor Area
428 sq ft
Living Area
428 sq ft
Basement Area
0 sq ft
Impervious Surface
134 sq ft
30.4%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.