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What Are You Allowed to Build at 721 Walnut St, Brighton, CO, 80601?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed
This property may qualify for an Internal ADU of up to 750 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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

Multi Family

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 721 Walnut St, Brighton, CO, 80601

Zoning Jurisdiction

BRIGHTON

Parcel ID

0156906418024

Property Type

Residential

Zone

R1A

Year Built

1934

Lot Size

3,032 sq ft

Gross Building Area

932 sq ft

Gross Floor Area

850 sq ft

Estimated

Living Area

768 sq ft

Basement Area

0 sq ft

Impervious Surface

932 sq ft

Estimated
30.7%of lot coverage

ADU rules for Brighton, CO

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 721 Walnut St, Brighton, CO, 80601?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed
This property may qualify for an Internal ADU of up to 750 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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

Multi Family

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 721 Walnut St, Brighton, CO, 80601

Zoning Jurisdiction

BRIGHTON

Parcel ID

0156906418024

Property Type

Residential

Zone

R1A

Year Built

1934

Lot Size

3,032 sq ft

Gross Building Area

932 sq ft

Gross Floor Area

850 sq ft

Estimated

Living Area

768 sq ft

Basement Area

0 sq ft

Impervious Surface

932 sq ft

Estimated
30.7%of lot coverage

ADU rules for Brighton, CO

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

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