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What Are You Allowed to Build at 1724 D St, Hayward, CA, 94541?

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

Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. 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

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 1724 D St, Hayward, CA, 94541

Zoning Jurisdiction

HAYWARD

Parcel ID

416140391

Property Type

Two Family

Zone

RL

Year Built

1924

Lot Size

26,151 sq ft

Gross Building Area

1,424 sq ft

Gross Floor Area

1,838 sq ft

Estimated

Living Area

1,838 sq ft

Basement Area

0 sq ft

Impervious Surface

1,424 sq ft

Estimated
5.4%of lot coverage

ADU rules for Hayward, 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 1724 D St, Hayward, CA, 94541?

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

Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. 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

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 1724 D St, Hayward, CA, 94541

Zoning Jurisdiction

HAYWARD

Parcel ID

416140391

Property Type

Two Family

Zone

RL

Year Built

1924

Lot Size

26,151 sq ft

Gross Building Area

1,424 sq ft

Gross Floor Area

1,838 sq ft

Estimated

Living Area

1,838 sq ft

Basement Area

0 sq ft

Impervious Surface

1,424 sq ft

Estimated
5.4%of lot coverage

ADU rules for Hayward, CA

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

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