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8509 137th Avenue SENewcastle, WA 98059

For Sale

$2,449,900

Smart Buyer Rebate $24,499

Welcome to Alterra! Experience unparalleled luxury with Alterra's Plan 5—a masterpiece of sophistication and style. This exquisite residence boasts five opulent bedrooms, featuring a serene lower floor retreat and an elegant main floor guest suite. The gourmet kitchen is a culinary dream, while the private office on the main floor offers a refined workspace. Entertain in grandeur with a spacious loft and enchanting covered outdoor living areas. This architectural gem is set to be completed in 2026, embodying the pinnacle of contemporary elegance. *Broker must accompany & personally register buyer at first visit*. Issaquah School District

Listed by Autumn Moses

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Tri Pointe Homes Real Estate

Last updated March 15, 2026

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Source: NWMLS #2488434

Listing Facts

  • TypeSingle-family
  • NeighborhoodSeattle East
  • Bedrooms5
  • Bathrooms4
  • Days on Prevu10
  • HOA/Maint. Fees$150/month
  • Size3,707 sqft
  • Price per sqft$661

Amenities

  • Dishwasher
  • Pets Allowed
  • Parking

Location

Mortgage Calculator

Listing History

03/05/2026
Listed by Tri Pointe Homes Real Estate
$2,449,900

Property Details for 8509 137th Avenue SE

Association

Amenities

  • Community Features: CCRs, Park, Playground, Trail(s)

Fees

  • Association Fee: $150.00 Monthly
  • Association Fee Includes: Common Area Maintenance

Exterior

Construction

  • New Construction: Yes
  • Property Condition: Under Construction
  • Roof: Composition
  • Structure Type: House
  • Year Built: 2026
  • Builder Name: Tri Pointe Homes
  • Building Name: Alterra
  • Construction Materials: Cement Planked, Stone
  • Exterior Features: Cement Planked, Stone

Features

  • Direction Faces: East
  • View: Mountains, Partial

Measurements

  • Building Area Total: 3,707
  • Building Area Units: Square Feet
  • Lot Features: Curbs, Paved, Sidewalk
  • Lot Size Acres: 0.13
  • Lot Size Square Feet: 6,000
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 0195400020
  • Tax Year: 2026

Interior

Features

  • Appliances: Dishwasher, Disposal, Double Oven, Microwave, Refrigerator, Stove(s)/Range(s)
  • Fireplace Features: Gas
  • Fireplace: Yes
  • Fireplaces Total: 2
  • Flooring: Ceramic Tile, Engineered Hardwood, Carpet
  • Interior Features: Bath Off Primary, Dbl Pane/Storm Window, Dining Room, Fireplace, High Tech Cabling, Loft, Pantry, SMART Wired, Walk-In Closet(s), Water Heater

Measurements

  • Living Area: 3,707

Rooms

  • Bathrooms Full: 2
  • Bathrooms Three Quarter: 2
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 5
  • Main Level Bathrooms: 1
  • Main Level Bedrooms: 1

Other

Location

  • Subdivision Name: Newcastle

Parking

Parking

  • Attached Garage: Yes
  • Covered Spaces: 2
  • Garage: Yes
  • Parking Features: Attached Garage
  • 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: Sewer Connected
  • Water Source: Public

Frequently Asked Questions

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

There are 5 bedrooms and 4 bathrooms in this single-family home at 8509 137th Avenue SE.

What schools are nearby to 8509 137th 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 8509 137th Avenue SE.

How does 8509 137th Avenue SE compare to other single-family homes in Seattle East?

This single-family home is listed 11% below the average price for single-family homes in Seattle East and has been on the market for 43 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 Alterra building.

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

According to the MLS, this listing is 3,707 sqft.

8509 137th Avenue SE is a 5-bedroom, 4-bath single-family home for sale in Newcastle WA 98059. On Prevu for 10 days at $2,449,900. This residence features 3,707 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. The home offers dishwasher, pets allowed, and parking. Explore 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.