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What Are You Allowed to Build at 606 12th Ave S, Seattle, WA, 98144?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 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 1,000 sq ft allowed By Right, or possibly more by Special Permit.

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 606 12th Ave S, Seattle, WA, 98144

Zoning Jurisdiction

SEATTLE

Parcel ID

8170100430

Property Type

Office Building

Zone

DMC

Year Built

1995

Lot Size

47,999 sq ft

Gross Building Area

40,227 sq ft

Gross Floor Area

27,132 sq ft

Estimated

Living Area

14,037 sq ft

Basement Area

0 sq ft

Impervious Surface

14,037 sq ft

Estimated
29.2%of lot coverage

ADU rules for Seattle, WA

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 606 12th Ave S, Seattle, WA, 98144?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 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 1,000 sq ft allowed By Right, or possibly more by Special Permit.

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 606 12th Ave S, Seattle, WA, 98144

Zoning Jurisdiction

SEATTLE

Parcel ID

8170100430

Property Type

Office Building

Zone

DMC

Year Built

1995

Lot Size

47,999 sq ft

Gross Building Area

40,227 sq ft

Gross Floor Area

27,132 sq ft

Estimated

Living Area

14,037 sq ft

Basement Area

0 sq ft

Impervious Surface

14,037 sq ft

Estimated
29.2%of lot coverage

ADU rules for Seattle, WA

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

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