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What Are You Allowed to Build at 820 Adams Rd, Unincorporated (Frederick), VA, 22603?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 755 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 755 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home. Additional factors may affect feasibility.

Multifamily

Home Addition

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

Property facts

Streetview picture of 820 Adams Rd, Unincorporated (Frederick), VA, 22603

Zoning Jurisdiction

Frederick County

Parcel ID

19A41E

Property Type

Other

Zone

RA

Year Built

2011

Lot Size

349,615 sq ft

Gross Building Area

3,183 sq ft

Gross Floor Area

3,021 sq ft

Estimated

Living Area

2,860 sq ft

Basement Area

0 sq ft

Impervious Surface

3,183 sq ft

Estimated
0.9%of lot coverage

ADU rules for Unincorporated Frederick, VA

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 820 Adams Rd, Unincorporated (Frederick), VA, 22603?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 755 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 755 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home. Additional factors may affect feasibility.

Multifamily

Home Addition

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

Property facts

Streetview picture of 820 Adams Rd, Unincorporated (Frederick), VA, 22603

Zoning Jurisdiction

Frederick County

Parcel ID

19A41E

Property Type

Other

Zone

RA

Year Built

2011

Lot Size

349,615 sq ft

Gross Building Area

3,183 sq ft

Gross Floor Area

3,021 sq ft

Estimated

Living Area

2,860 sq ft

Basement Area

0 sq ft

Impervious Surface

3,183 sq ft

Estimated
0.9%of lot coverage

ADU rules for Unincorporated Frederick, VA

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

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