For Sale79d on market
13806 SE 85th Street
Newcastle, WA, 98059 • 98059 • King County
$2,782,900
$679/sqft
+$108,000 since Mar 20, 2026
Down payment assistance available
6Beds
6Baths
4,101Sqft
0.15 acLot
2026Built
Property DNA
Territorial Views
Territorial
2 Stories w/Bsmnt Style
2 Stories w/Bsmnt architecture
Alterra
98059
Outdoor Living
Bath Off Primary · Dbl Pane/Storm Window · Dining Room · Fireplace · High Tech Cabling · Loft · Pantry · SMART Wired · Walk-In Closet(s) · Water Heater
2 Fireplaces
Gas · Main Level: 2 · Fireplace
Garage
Attached Garage
Ceramic Tile & Engineered Hardwood Floors
Quality flooring throughout
This home is getting attention
Listed 79 days ago · 252 views · 5 saves
Market activity
Demand and pricing signals for this listing
252 views
People checking out this listing
5 saves
Buyers have saved this home
79 days on market
Established listing
$679/sqft
Price per square foot
About this home
Single Family · Built 2026
Experience refined Northwest living at Alterra with our stunning Plan 1 daylight basement home. This thoughtfully designed residence offers six bedrooms, including a private detached guest suite—perfect for a home office, multigenerational living, or visiting guests. The open-concept main level showcases a chef-inspired gourmet kitchen, generous living spaces, and an expansive loft ideal for work or relaxation. Retreat to the luxurious primary suite featuring dual walk-in closets, while the daylight basement provides exceptional flexibility with a bedroom, bath, storage, and the potential for a glass-enclosed fitness room and spacious bonus area. Multiple outdoor living areas invite you to enjoy seamless indoor-outdoor living year-round. Personalize every detail through our award-winning Design Studio and create a home that truly reflects your style. Homesite 35 is ideally positioned with peaceful greenbelt views and abundant storage throughout. Located in the highly sought-after Issaquah School District. South facing home. Presale opportunity. Broker must accompany and personally register buyer at first visit. Call today to schedule your private tour.
Standout features identified
Our analysis highlights peaceful greenbelt views, private detached guest suite, and south facing home as key attractions of this home.
Estimated monthly payment
Based on current rates
$17,629/month
Principal & Interest$13,769
Property Tax$2,783
Insurance$928
HOA$150
Down payment20% ($556,580)
3%50%
Est. 6.29% rate · 30yr fixed · $2,226,320 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built2026
HeatingFireplace, 90%+ High Efficiency, Ductless, Heat Pump, Recirculation Pump, Electric, Natural Gas
CoolingDuctless, Heat Pump
Parking2 Attached Garage spaces
HOA$150 monthly
Lot6,324 sqft
Days on Zillow79 Days
Price/sqft$679
Property
Home typeSingle Family
Sub-typeSingle Family Residence
Style2 Stories w/Bsmnt
ConditionUnder Construction
Year built2026
Stories2
Systems
HeatingFireplace, 90%+ High Efficiency, Ductless, Heat Pump, Recirculation Pump, Electric, Natural Gas
CoolingDuctless, Heat Pump
RoofComposition
ConstructionBrick, Cement Planked, Cement Plank
Water / SewerPublic, Company: Coal Creek Utility / Sewer Connected, Company: Coal Creek Utility
Parking & Outdoor
ParkingAttached Garage
BasementDaylight
Fireplaces2
Lot6,324 sqft
Location & Tax
Neighborhood98059
Parcel0195400140
Bathrooms & Fees
Full baths2
HOA$150/mo
Features & details
15 categories of property features
Interior Features
Interior
Bath Off Primary
Dining Room
High Tech Cabling
Loft
Pantry
Appliances
Dishwasher
Disposal
Double Oven
Microwave
Refrigerator
Stove(s)/Range(s)
Dishwasher(s)
Garbage Disposal
Microwave(s)
Refrigerator(s)
Water Heater: Hybrid
Water Heater Location: Garage
Flooring
Ceramic Tile
Engineered Hardwood
Carpet
Heating
Fireplace
90%+ High Efficiency
Ductless
Heat Pump
Recirculation Pump
Electric
Natural Gas
Cooling
Ductless
Heat Pump
Fireplace
Gas
Main Level: 2
Fireplace
Windows
Dbl Pane/Storm Window
Exterior Features
Parking
Attached Garage
Construction
Brick
Cement Planked
Cement Plank
Patio & Porch
Bath Off Primary
Dbl Pane/Storm Window
Dining Room
Fireplace
High Tech Cabling
Loft
Pantry
SMART Wired
Walk-In Closet(s)
Water Heater
Lot Features
Cul-De-Sac
Curbs
Open Lot
Paved
Sidewalk
Cable TV
Deck
Electric Car Charging
Fenced-Fully
Gas Available
High Speed Internet
Irrigation
Patio
Community
CCRs
Park
Playground
Trail(s)
Views
Territorial
Utilities
Xfinity
Xfinity
Other Equipment
Leased Equipment: No
Room details
21 rooms detailed
Master Bedroom
SecondBedroom
MainBedroom
SecondBedroom
SecondBedroom
SecondBedroom
LowerListing insights
Market data and value estimates
StatusFor Sale
Days on market79
Est. value$2,739,900
Est. rent$6,657/mo
Tax rate0.82%
Price/sqft$679
On marketJan 15, 2026
PostedJan 15, 2026
MLS statusActive
MLS updatedMar 30, 2026
Tour days6
Views252
Favorites5
How are the schools in Newcastle?
3 schools rated nearby
Location
Newcastle, WA, 98059
Price history
2 events
DateEventPrice$/sqftSource
Mar 20, 2026Price Change$2,782,900$679NWMLS as distributed by MLS GRID
Jan 15, 2026Listed For Sale$2,674,900$652NWMLS as distributed by MLS GRID
Price Change$2,782,900
Mar 20, 2026•$679/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$2,674,900
Jan 15, 2026•$652/sqft•NWMLS as distributed by MLS GRID
Nearby homes
Neighborhood details
Local context around this listing
Newcastle, WA • King County
Nearby cities
AuburnBellevueBothellFederal WayKentKirklandRedmondRenton
Nearby zip codes
9805698059
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Based on information submitted to the MLS GRID as of 2026-04-05 11:24:51 PDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. [Click here for more information](/mls-disclaimers/#39)
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