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What Are You Allowed to Build at 333 Biscayne Dr, San Rafael, CA, 94901?

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 Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

Swimming Pool

Might be Allowed
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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 5,333,661 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

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 5,313,740 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 333 Biscayne Dr, San Rafael, CA, 94901

Zoning Jurisdiction

SAN RAFAEL

Parcel ID

18402003

Property Type

Commercial - Improved

Zone

P/QP

Year Built

Lot Size

5,333,660 sq ft

Gross Building Area

31,251 sq ft

Gross Floor Area

19,920 sq ft

Estimated

Living Area

8,590 sq ft

Basement Area

0 sq ft

Impervious Surface

8,590 sq ft

Estimated
0.2%of lot coverage

ADU rules for San Rafael, CA

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 333 Biscayne Dr, San Rafael, CA, 94901?

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 Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

Swimming Pool

Might be Allowed
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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 5,333,661 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

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 5,313,740 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 333 Biscayne Dr, San Rafael, CA, 94901

Zoning Jurisdiction

SAN RAFAEL

Parcel ID

18402003

Property Type

Commercial - Improved

Zone

P/QP

Year Built

Lot Size

5,333,660 sq ft

Gross Building Area

31,251 sq ft

Gross Floor Area

19,920 sq ft

Estimated

Living Area

8,590 sq ft

Basement Area

0 sq ft

Impervious Surface

8,590 sq ft

Estimated
0.2%of lot coverage

ADU rules for San Rafael, CA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.