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What Are You Allowed to Build at 600 Willow Rd Unit 21, Menlo Park, CA, 94025?

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

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 600 Willow Rd Unit 21, Menlo Park, CA, 94025

Zoning Jurisdiction

MENLO PARK

Parcel ID

113410080

Property Type

Residential

Zone

R-3

Year Built

1996

Lot Size

981 sq ft

Gross Building Area

905 sq ft

Gross Floor Area

1,581 sq ft

Estimated

Living Area

1,581 sq ft

Basement Area

0 sq ft

Impervious Surface

905 sq ft

Estimated
92.2%of lot coverage

ADU rules for Menlo Park, 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 600 Willow Rd Unit 21, Menlo Park, CA, 94025?

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

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 600 Willow Rd Unit 21, Menlo Park, CA, 94025

Zoning Jurisdiction

MENLO PARK

Parcel ID

113410080

Property Type

Residential

Zone

R-3

Year Built

1996

Lot Size

981 sq ft

Gross Building Area

905 sq ft

Gross Floor Area

1,581 sq ft

Estimated

Living Area

1,581 sq ft

Basement Area

0 sq ft

Impervious Surface

905 sq ft

Estimated
92.2%of lot coverage

ADU rules for Menlo Park, CA

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

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