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8515 129th Avenue SENewcastle, WA 98056

For Sale

$1,229,900

Smart Buyer Rebate $12,299

Welcome home to this beautifully renovated 3-bedroom, 2.5-bath rambler nestled in the heart of highly sought-after Olympus in Newcastle. Situated on an expansive 13,000+ sqft lot, this home offers exceptional indoor-outdoor living with generous, level yard space, RV/boat parking, and a serene, private backyard retreat. The open-concept layout is filled with natural light and showcases newer flooring, fresh interior paint, and a fully updated kitchen and bathrooms. Recent exterior paint enhances the home’s modern curb appeal. Step outside to enjoy the tranquil water feature and spacious deck—perfect for entertaining or relaxing year-round. Located in a beautiful neighborhood just minutes to Newcastle Commons, Eastgate shopping, Bellevue Downtown, and countless amenities. Award-winning Issaquah School District adds even more value. A rare opportunity combining thoughtful upgrades, privacy, and an unbeatable location.

Listed by Maggie Sun

·

Keller Williams Rlty Bellevue

Last updated March 11, 2026

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Source: NWMLS #2472488

Listing Facts

  • TypeSingle-family
  • NeighborhoodSeattle East
  • Bedrooms3
  • Bathrooms3
  • Days on Prevu38
  • HOA/Maint. Fees$10/month
  • Taxes$9,922.06/year
  • Size2,100 sqft
  • Price per sqft$586

Amenities

  • Pets Allowed
  • Parking

Location

Mortgage Calculator

Listing History

02/05/2026
Listed by Keller Williams Rlty Bellevue
$1,229,900

Property Details for 8515 129th Avenue SE

Association

Amenities

  • Community Features: CCRs, Park

Fees

  • Association Fee: $10.00 Monthly
  • Association Fee Includes: Common Area Maintenance

Exterior

Construction

  • Property Condition: Good
  • Roof: Composition
  • Structure Type: House
  • Year Built: 1987
  • Building Name: Olympus
  • Construction Materials: Wood Products
  • Entry Location: Main
  • Exterior Features: Wood Products

Features

  • View: Territorial

Measurements

  • Building Area Total: 2,100
  • Building Area Units: Square Feet
  • Lot Features: Corner Lot, Paved, Sidewalk
  • Lot Size Acres: 0.30
  • Lot Size Square Feet: 13,466
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 6388900790
  • Tax Annual Amount: $9,922.06
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher(s), Disposal, Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Fireplace Features: Gas
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Ceramic Tile, Vinyl Plank
  • Interior Features: Bath Off Primary, Built-In Vacuum, Dbl Pane/Storm Window, Dining Room, Fireplace, French Doors, Skylight(s), Vaulted Ceilings, Walk-In Closet(s), Water Heater

Measurements

  • Living Area: 2,100

Rooms

  • Bathrooms Full: 2
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 3
  • Main Level Bathrooms: 3
  • Main Level Bedrooms: 3

Other

Location

  • Subdivision Name: Newcastle

Parking

Parking

  • Attached Garage: Yes
  • Covered Spaces: 2
  • Garage: Yes
  • Parking Features: Attached Garage, RV Parking
  • Parking Total: 2

Schools

Elementary School

  • Elementary School: Newcastle

High School

  • High School: Liberty Snr High
  • High School District: Issaquah

Middle or Junior School

  • Middle Or Junior School: Cougar Mountain Middle

Utilities

Equipment

  • Has Cooling: Yes
  • Has Heating: Yes
  • Sewer: Available, Sewer Connected
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 3 bedrooms and 3 bathrooms in this single-family home at 8515 129th Avenue SE.

What schools are nearby to 8515 129th Avenue SE?

Nearby schools include the Newcastle Elementary School, Cougar Mountain Middle, and Liberty Snr High.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 8515 129th Avenue SE.

What are the annual taxes for 8515 129th Avenue SE?

Annual taxes for this single-family home are estimated at $9,922.

How does 8515 129th Avenue SE compare to other single-family homes in Seattle East?

This single-family home is listed 55% below the average price for single-family homes in Seattle East and has been on the market for 15 less days than the typical home in this area.

What building or home owners association is the single-family home part of?

This single-family home is in the Olympus building.

What is the square footage on this single-family home?

According to the MLS, this listing is 2,100 sqft.

8515 129th Avenue SE is a 3-bedroom, 3-bath single-family home for sale in Newcastle WA 98056. Available on Prevu for 38 days at $1,229,900. This home features 2,100 square feet of living space, located in Seattle East. The median listing price for single-family homes in this area is $1,395,000. Nearby schools include Newcastle Elementary School, Cougar Mountain Middle, and Liberty Snr High. Property amenities include pets allowed and parking. Browse more single-family home listings in King County.

Based on information from NWMLS and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.