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What Are You Allowed to Build at 417 31st St, Manhattan Beach, CA, 90266?

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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 2,169 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 1,454 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 417 31st St, Manhattan Beach, CA, 90266

Zoning Jurisdiction

MANHATTAN BEACH

Parcel ID

4176015015

Property Type

Single Family

Zone

RS

Year Built

2022

Lot Size

1,355 sq ft

Gross Building Area

841 sq ft

Gross Floor Area

715 sq ft

Estimated

Living Area

590 sq ft

Basement Area

0 sq ft

Impervious Surface

841 sq ft

Estimated
62.0%of lot coverage

ADU rules for Manhattan Beach, 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 417 31st St, Manhattan Beach, CA, 90266?

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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 2,169 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 1,454 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 417 31st St, Manhattan Beach, CA, 90266

Zoning Jurisdiction

MANHATTAN BEACH

Parcel ID

4176015015

Property Type

Single Family

Zone

RS

Year Built

2022

Lot Size

1,355 sq ft

Gross Building Area

841 sq ft

Gross Floor Area

715 sq ft

Estimated

Living Area

590 sq ft

Basement Area

0 sq ft

Impervious Surface

841 sq ft

Estimated
62.0%of lot coverage

ADU rules for Manhattan Beach, CA

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

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