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What Are You Allowed to Build at 251 Channing Way, 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

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. Additional factors may affect feasibility.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 251 Channing Way, San Rafael, CA, 94903

Zoning Jurisdiction

SAN RAFAEL

Parcel ID

15509234

Property Type

Multi Family

Zone

MR2

Year Built

1986

Lot Size

42,601 sq ft

Gross Building Area

11,816 sq ft

Gross Floor Area

11,063 sq ft

Estimated

Living Area

10,310 sq ft

Basement Area

0 sq ft

Impervious Surface

10,310 sq ft

Estimated
24.2%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 251 Channing Way, 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

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. Additional factors may affect feasibility.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 251 Channing Way, San Rafael, CA, 94903

Zoning Jurisdiction

SAN RAFAEL

Parcel ID

15509234

Property Type

Multi Family

Zone

MR2

Year Built

1986

Lot Size

42,601 sq ft

Gross Building Area

11,816 sq ft

Gross Floor Area

11,063 sq ft

Estimated

Living Area

10,310 sq ft

Basement Area

0 sq ft

Impervious Surface

10,310 sq ft

Estimated
24.2%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.