FIRST ADDITION Homes for Sale

FIRST ADDITION Homes for Sale

Welcome to First Addition, a charming and vibrant subdivision nestled in the heart of Lake Oswego, Oregon. Known for its picturesque tree-lined streets and a strong sense of community, First Addition offers a unique blend of suburban tranquility and urban convenience. This neighborhood is perfect for families, young professionals, and retirees alike, making it one of the most sought-after areas in Clackamas County.

First Addition boasts a diverse selection of homes for sale, ranging from classic bungalows to modern townhouses, each exuding character and charm. Many of these residences feature beautifully landscaped yards, spacious interiors, and inviting outdoor spaces that are perfect for entertaining or simply enjoying the serene surroundings. With an array of architectural styles, there’s something to suit every taste and lifestyle.

Living in First Addition means you’re just a stone’s throw away from Lake Oswego’s renowned amenities. Enjoy leisurely strolls along the scenic waterfront, explore the local parks, or indulge in the vibrant dining and shopping options that downtown Lake Oswego has to offer. The community is also known for its excellent schools, making it an ideal choice for families with children.

With homes for sale in First Addition, now is the perfect time to discover your dream home in this enchanting neighborhood. Experience the warmth and charm of Lake Oswego living, where every day feels like a retreat. Don’t miss out on the opportunity to become part of this wonderful community—explore the available homes today!

Newest FIRST ADDITION Homes for Sale

805 3rd ST, Lake Oswego
$659,900
3 Beds ⋅ 2 Baths ⋅ 491029681 MLS
*** Now 50% sold out! 4 out of 8 homes are pending! *** Don't miss your chance! Designed for true lock-and-go living, Koval Cottages offers something Lake Oswego has never seen before: new-construction, detached fee simple homes in First Addition at an attainable entry price point. Perfect for downsizers, first-time buyers, small families, seasonal residents, or anyone seeking low maintenance luxury in the city’s most charming neighborhood. Each home showcases exceptional finish work, modern contemporary design, and a refined attention to detail throughout. A rare and extraordinary opportunity to own a standalone home in the heart of First Addition. Enjoy effortless access to downtown Lake Oswego’s restaurants, boutique shopping, cafes, and one of the region’s best Saturday Markets! For investment purposes....ACTUAL RENT ON ANOTHER HOME IN THE PROJECT IS $5,000/MO.

805 3rd ST, Lake Oswego
205 E AVE, Lake Oswego
$699,900
3 Beds ⋅ 2 Baths ⋅ 495387816 MLS
** Now 50% sold out! 4 out of 8 homes are pending! ** Don't miss your chance! Designed for true lock-and-go living, Koval Cottages offers something Lake Oswego has never seen before: new-construction, detached fee simple homes in First Addition at an attainable entry price point. Perfect for downsizers, first-time buyers, small families, seasonal residents, or anyone seeking low maintenance luxury in the city’s most charming neighborhood. Each home showcases exceptional finish work, modern contemporary design, and a refined attention to detail throughout. A rare and extraordinary opportunity to own a standalone home in the heart of First Addition. Enjoy effortless access to downtown Lake Oswego’s restaurants, boutique shopping, cafes, and one of the region’s best Saturday Markets! For investment purposes....ACTUAL RENT ON ANOTHER HOME IN THE PROJECT IS $5,000/MO. Low taxes $5,800 per year!

205 E AVE, Lake Oswego
815 E AVE, Lake Oswego
$2,295,000
3 Beds ⋅ 3 Baths ⋅ 364229279 MLS
Step into a storybook sanctuary in Lake Oswego's First Addition, where timeless elegance and charm effortlessly blend in this welcoming Tudor-style home. Featuring a main floor primary suite with a private sunroom and patio, a recently completed ADU, and an expansive indoor/outdoor layout, perfect for year-round entertaining, this home offers the ultimate privacy surrounded by a lush Arborvitae border. Hand-scraped hardwood floors, a gourmet kitchen, and enchantingly timeless details like arched doorways and a ceiling-height stone fireplace create a warm, inviting atmosphere. The ADU is a flexible option for an ideal home office, exercise studio, guest suite, or multi-generational living. Just minutes from Lake Oswego's best restaurants, shopping, community events, and Farmer's Market, this home is a rare opportunity at a sanctuary in the heart of the community.

815 E AVE, Lake Oswego
815 3rd ST, Lake Oswego
$699,900
3 Beds ⋅ 2 Baths ⋅ 740627741 MLS
** Now 50% sold out! 4 out of 8 homes are pending! ** Don't miss your chance! CORNER LOT with the ability to fence both street facing sides! Designed for true lock-and-go living, Koval Cottages offers something Lake Oswego has never seen before: new-construction, detached fee simple homes in First Addition at an attainable entry price point. Perfect for downsizers, first-time buyers, small families, seasonal residents, or anyone seeking low maintenance luxury in the city’s most charming neighborhood. Each home showcases exceptional finish work, modern contemporary design, and a refined attention to detail throughout. A rare and extraordinary opportunity to own a standalone home in the heart of First Addition. Enjoy effortless access to downtown Lake Oswego’s restaurants, boutique shopping, cafes, and one of the region’s best Saturday Markets! For investment purposes....ACTUAL RENT ON ANOTHER HOME IN THE PROJECT IS $5,000/MO. Low taxes $5,500 per year!

815 3rd ST, Lake Oswego
262 G AVE, Lake Oswego
$669,900
3 Beds ⋅ 2 Baths ⋅ 712181519 MLS
** Now 50% sold out! 4 out of 8 homes are pending! ** Don't miss your chance! Designed for true lock-and-go living, Koval Cottages offers something Lake Oswego has never seen before: new-construction, detached fee simple homes in First Addition at an attainable entry price point. Perfect for downsizers, first-time buyers, small families, seasonal residents, or anyone seeking low maintenance luxury in the city’s most charming neighborhood. Each home showcases exceptional finish work, modern contemporary design, and a refined attention to detail throughout. A rare and extraordinary opportunity to own a standalone home in the heart of First Addition. Enjoy effortless access to downtown Lake Oswego’s restaurants, boutique shopping, cafes, and one of the region’s best Saturday Markets! For investment purposes....ACTUAL RENT ON ANOTHER HOME IN THE PROJECT IS $5,000/MO.

262 G AVE, Lake Oswego
801 3rd ST, Lake Oswego
$729,900
3 Beds ⋅ 2 Baths ⋅ 117977271 MLS
*** This is the model home *** If you've been waiting for these to hit rock bottom. Well, here it is. Now $200K below original list. THERE WILL NOT BE ANOTHER PRICE REDUCTION! Now 3 out of 8 are pending (see price list for pricing and availability). Don't miss your chance! Designed for true lock-and-go living, Koval Cottages offers something Lake Oswego has never seen before: new-construction, detached fee simple homes in First Addition at an attainable entry price point. Perfect for downsizers, first-time buyers, seasonal residents, or anyone seeking low maintenance luxury in the city’s most charming neighborhood. Each home showcases exceptional finish work, modern contemporary design, and a refined attention to detail throughout. A rare and extraordinary opportunity to own a standalone home in the heart of First Addition. Enjoy effortless access to downtown Lake Oswego’s restaurants, boutique shopping, cafes, and one of the region’s best Saturday Markets! For investment purposes.... ACTUAL RENT ON ANOTHER HOME IN THE PROJECT IS $5,000/MO.

801 3rd ST, Lake Oswego
242 G AVE, Lake Oswego
$599,900
2 Beds ⋅ 2 Baths ⋅ 335778811 MLS
** Now 50% sold out! 4 out of 8 homes are pending! ** Don't miss your chance! Designed for true lock-and-go living, Koval Cottages offers something Lake Oswego has never seen before: new-construction, detached fee simple homes in First Addition at an attainable entry price point. Perfect for downsizers, first-time buyers, small families, seasonal residents, or anyone seeking low maintenance luxury in the city’s most charming neighborhood. Each home showcases exceptional finish work, modern contemporary design, and a refined attention to detail throughout. A rare and extraordinary opportunity to own a standalone home in the heart of First Addition. Enjoy effortless access to downtown Lake Oswego’s restaurants, boutique shopping, cafes, and one of the region’s best Saturday Markets! ESTIMATED RENT IS $4,000/MO.

242 G AVE, Lake Oswego
891 8TH ST, Lake Oswego
$1,899,000
3 Beds ⋅ 2 Baths ⋅ 168010689 MLS
Stunning new construction by a premier local builder, this light-filled residence is gracefully positioned on a coveted corner lot in First Addition, lending an exceptional sense of space and presence. Thoughtfully designed with refined finishes throughout, the home showcases an upgraded window package that bathes each room in natural light while elevating its architectural appeal.The gourmet kitchen is a true centerpiece, appointed with high-end stainless steel appliances, an expansive island with breakfast bar seating, and a generous walk-in pantry. A seamless great room layout features a statement fireplace and striking beamed ceilings, ideal for both elegant entertaining and relaxed everyday living. The luxurious primary suite offers a serene retreat, complete with radiant heated floors, a soaking tub, an oversized walk-in shower, and a deluxe walk-in closet. Two additional spacious bedrooms and a versatile bonus room provide flexibility for guests, work, or leisure. A well-appointed main-level laundry room includes a utility sink and custom built-ins for added convenience. Outdoors, a covered back patio creates a year-round haven with its own gas fireplace and overhead heaters. A two-car garage and extended driveway ensure ample parking. Ideally located just blocks from Tryon Creek State Natural Area, Forest Hills Elementary School, and the vibrant shops and dining of downtown, this exceptional home offers luxury living in one of the area’s most sought after neighborhoods.

891 8TH ST, Lake Oswego
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The content relating to real estate for sale on this site comes in part from the IDX program of the RMLS of Portland, Oregon. Real Estate listings held by brokerage firms other than this firm are marked with the RMLS logo, and detailed information about these properties include the name of the listing's broker. Listing content is copyright © 2026 RMLS of Portland, Oregon. All information provided is deemed reliable but is not guaranteed and should be independently verified. This content last updated on . Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.

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