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What Are You Allowed to Build at 9639 Hilltop Rd, Bellevue, WA, 98004?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,200 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 1,200 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

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 6,453 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 3,623 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 9639 Hilltop Rd, Bellevue, WA, 98004

Zoning Jurisdiction

BELLEVUE

Parcel ID

8964800020

Property Type

Single Family

Zone

SR-2

Year Built

1950

Lot Size

14,843 sq ft

Gross Building Area

3,441 sq ft

Gross Floor Area

2,830 sq ft

Estimated

Living Area

2,220 sq ft

Basement Area

0 sq ft

Impervious Surface

3,441 sq ft

Estimated
23.2%of lot coverage

ADU rules for Bellevue, 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 9639 Hilltop Rd, Bellevue, WA, 98004?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,200 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 1,200 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

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 6,453 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 3,623 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 9639 Hilltop Rd, Bellevue, WA, 98004

Zoning Jurisdiction

BELLEVUE

Parcel ID

8964800020

Property Type

Single Family

Zone

SR-2

Year Built

1950

Lot Size

14,843 sq ft

Gross Building Area

3,441 sq ft

Gross Floor Area

2,830 sq ft

Estimated

Living Area

2,220 sq ft

Basement Area

0 sq ft

Impervious Surface

3,441 sq ft

Estimated
23.2%of lot coverage

ADU rules for Bellevue, WA

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

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