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What Are You Allowed to Build at 509 Lafayette Ave, Mattoon, IL, 61938?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 900 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 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.

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 509 Lafayette Ave, Mattoon, IL, 61938

Zoning Jurisdiction

MATTOON

Parcel ID

06000620000

Property Type

Multi Family

Zone

R3

Year Built

1990

Lot Size

32,670 sq ft

Gross Building Area

5,244 sq ft

Gross Floor Area

5,244 sq ft

Estimated

Living Area

5,244 sq ft

Basement Area

0 sq ft

Impervious Surface

5,244 sq ft

Estimated
16.1%of lot coverage

ADU rules for Mattoon, IL

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 509 Lafayette Ave, Mattoon, IL, 61938?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 900 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 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.

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 509 Lafayette Ave, Mattoon, IL, 61938

Zoning Jurisdiction

MATTOON

Parcel ID

06000620000

Property Type

Multi Family

Zone

R3

Year Built

1990

Lot Size

32,670 sq ft

Gross Building Area

5,244 sq ft

Gross Floor Area

5,244 sq ft

Estimated

Living Area

5,244 sq ft

Basement Area

0 sq ft

Impervious Surface

5,244 sq ft

Estimated
16.1%of lot coverage

ADU rules for Mattoon, IL

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

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