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What Are You Allowed to Build at 99 Federal St Unit 202, Portland, ME, 04101?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 8,341 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 8,341 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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

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 99 Federal St Unit 202, Portland, ME, 04101

Zoning Jurisdiction

PORTLAND

Parcel ID

028C013202

Property Type

Residential

Zone

IS-FBC

Year Built

2020

Lot Size

21,341 sq ft

Gross Building Area

12,512 sq ft

Gross Floor Area

12,512 sq ft

Estimated

Living Area

12,512 sq ft

Basement Area

0 sq ft

Impervious Surface

12,512 sq ft

Estimated
58.6%of lot coverage

ADU rules for Portland, ME

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 99 Federal St Unit 202, Portland, ME, 04101?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 8,341 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 8,341 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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

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 99 Federal St Unit 202, Portland, ME, 04101

Zoning Jurisdiction

PORTLAND

Parcel ID

028C013202

Property Type

Residential

Zone

IS-FBC

Year Built

2020

Lot Size

21,341 sq ft

Gross Building Area

12,512 sq ft

Gross Floor Area

12,512 sq ft

Estimated

Living Area

12,512 sq ft

Basement Area

0 sq ft

Impervious Surface

12,512 sq ft

Estimated
58.6%of lot coverage

ADU rules for Portland, ME

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

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