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What Are You Allowed to Build at 21 93rd St, West Allis City, WI, 53227?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 291 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.

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 21 93rd St, West Allis City, WI, 53227

Zoning Jurisdiction

WEST ALLIS CITY

Parcel ID

4790622000

Property Type

Residential

Zone

RB

Year Built

Lot Size

4,051 sq ft

Gross Building Area

581 sq ft

Gross Floor Area

581 sq ft

Estimated

Living Area

581 sq ft

Basement Area

0 sq ft

Impervious Surface

581 sq ft

Estimated
14.3%of lot coverage

ADU rules for West Allis City, WI

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 21 93rd St, West Allis City, WI, 53227?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 291 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.

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 21 93rd St, West Allis City, WI, 53227

Zoning Jurisdiction

WEST ALLIS CITY

Parcel ID

4790622000

Property Type

Residential

Zone

RB

Year Built

Lot Size

4,051 sq ft

Gross Building Area

581 sq ft

Gross Floor Area

581 sq ft

Estimated

Living Area

581 sq ft

Basement Area

0 sq ft

Impervious Surface

581 sq ft

Estimated
14.3%of lot coverage

ADU rules for West Allis City, WI

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

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