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What Are You Allowed to Build at 636 Atwater Rd, Lake Oswego, OR, 97034?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 800 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 800 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 636 Atwater Rd, Lake Oswego, OR, 97034

Zoning Jurisdiction

LAKE OSWEGO

Parcel ID

21E04DA00201

Property Type

Single Family

Zone

R-15

Year Built

2020

Lot Size

42,688 sq ft

Gross Building Area

5,517 sq ft

Gross Floor Area

5,009 sq ft

Estimated

Living Area

4,502 sq ft

Basement Area

0 sq ft

Impervious Surface

5,517 sq ft

Estimated
12.9%of lot coverage

ADU rules for Lake Oswego, OR

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 636 Atwater Rd, Lake Oswego, OR, 97034?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 800 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 800 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 636 Atwater Rd, Lake Oswego, OR, 97034

Zoning Jurisdiction

LAKE OSWEGO

Parcel ID

21E04DA00201

Property Type

Single Family

Zone

R-15

Year Built

2020

Lot Size

42,688 sq ft

Gross Building Area

5,517 sq ft

Gross Floor Area

5,009 sq ft

Estimated

Living Area

4,502 sq ft

Basement Area

0 sq ft

Impervious Surface

5,517 sq ft

Estimated
12.9%of lot coverage

ADU rules for Lake Oswego, OR

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

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