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What Are You Allowed to Build at 2129 Channing Way, Berkeley, CA, 94704?

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

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 15,544 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 13,900 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 2129 Channing Way, Berkeley, CA, 94704

Zoning Jurisdiction

BERKELEY

Parcel ID

55189271

Property Type

Three Family

Zone

R-SMU

Year Built

1906

Lot Size

2,220 sq ft

Gross Building Area

2,092 sq ft

Gross Floor Area

1,644 sq ft

Estimated

Living Area

1,197 sq ft

Basement Area

0 sq ft

Impervious Surface

1,197 sq ft

Estimated
53.9%of lot coverage

ADU rules for Berkeley, 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 2129 Channing Way, Berkeley, CA, 94704?

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

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 15,544 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 13,900 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 2129 Channing Way, Berkeley, CA, 94704

Zoning Jurisdiction

BERKELEY

Parcel ID

55189271

Property Type

Three Family

Zone

R-SMU

Year Built

1906

Lot Size

2,220 sq ft

Gross Building Area

2,092 sq ft

Gross Floor Area

1,644 sq ft

Estimated

Living Area

1,197 sq ft

Basement Area

0 sq ft

Impervious Surface

1,197 sq ft

Estimated
53.9%of lot coverage

ADU rules for Berkeley, CA

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

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