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What Are You Allowed to Build at 121 S Maple Ave, Webster Groves, MO, 63119?

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 Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 5,277 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 3,397 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 121 S Maple Ave, Webster Groves, MO, 63119

Zoning Jurisdiction

WEBSTER GROVES

Parcel ID

23K440791

Property Type

Single Family

Zone

A3

Year Built

1950

Lot Size

17,589 sq ft

Gross Building Area

0 sq ft

Gross Floor Area

1,880 sq ft

Estimated

Living Area

1,880 sq ft

Basement Area

0 sq ft

Impervious Surface

0 sq ft

Estimated

ADU rules for Webster Groves, MO

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 121 S Maple Ave, Webster Groves, MO, 63119?

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 Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 5,277 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 3,397 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 121 S Maple Ave, Webster Groves, MO, 63119

Zoning Jurisdiction

WEBSTER GROVES

Parcel ID

23K440791

Property Type

Single Family

Zone

A3

Year Built

1950

Lot Size

17,589 sq ft

Gross Building Area

0 sq ft

Gross Floor Area

1,880 sq ft

Estimated

Living Area

1,880 sq ft

Basement Area

0 sq ft

Impervious Surface

0 sq ft

Estimated

ADU rules for Webster Groves, MO

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

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