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What Are You Allowed to Build at 402 Maple Ave, Sunnyside, WA, 98944?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 1,000 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 1,000 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 402 Maple Ave, Sunnyside, WA, 98944

Zoning Jurisdiction

SUNNYSIDE

Parcel ID

22102613009

Property Type

Multi Family

Zone

R-3

Year Built

1990

Lot Size

282,704 sq ft

Gross Building Area

51,667 sq ft

Gross Floor Area

51,667 sq ft

Estimated

Living Area

51,667 sq ft

Basement Area

0 sq ft

Impervious Surface

51,667 sq ft

Estimated
18.3%of lot coverage

ADU rules for Sunnyside, 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 402 Maple Ave, Sunnyside, WA, 98944?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 1,000 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 1,000 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 402 Maple Ave, Sunnyside, WA, 98944

Zoning Jurisdiction

SUNNYSIDE

Parcel ID

22102613009

Property Type

Multi Family

Zone

R-3

Year Built

1990

Lot Size

282,704 sq ft

Gross Building Area

51,667 sq ft

Gross Floor Area

51,667 sq ft

Estimated

Living Area

51,667 sq ft

Basement Area

0 sq ft

Impervious Surface

51,667 sq ft

Estimated
18.3%of lot coverage

ADU rules for Sunnyside, WA

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

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