Sold192d on market
12817 70th AVE S
Seattle, WA, 98178 • 98178 • King County
$1,170,000
$413/sqft
4Beds
3Baths
2,830Sqft
0.98 acLot
1975Built
Property DNA
Territorial Views
Territorial
Northwest Contemporary Style
Built 1975 · 51 years of history
Bryn Mawr
98178
Outdoor Living
Second Kitchen · Bath Off Primary · Ceiling Fan(s) · Double Pane/Storm Window · Dining Room · Fireplace · French Doors · Loft · Sauna · Security System · Skylight(s) · Solarium/Atrium · Triple Pane Windows · Vaulted Ceiling(s) · Walk-In Pantry · Water Heater
2 Fireplaces
Gas · Lower Level: 1 · Main Level: 1 · Fireplace
Ceramic Tile & Hardwood & Stone Floors
Quality flooring throughout
This home is in high demand
Listed 192 days ago · 4 views · Top 1% likely to sell soon
Market activity
Demand and pricing signals for this listing
4 views
People checking out this listing
192 days on market
Established listing
$413/sqft
Price per square foot
Selling Soon Prediction
Very HighThis home ranks in the top 1% of listings most likely to go under contract soon, based on market activity and demand signals.
Likelihood score
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About this home
Single Family · Built 1975
Custom-built Pacific Northwest contemporary designed to embrace nature & capture breathtaking Olympic Mtn sunsets. Tucked away on nearly an acre of lush forest, this retreat offers vaulted ceilings, cozy gas fireplaces, & an eat-in kitchen w/ pantry, storage, & sunny solarium. Entertain on the expansive 1000SF deck, patio w/ hot tub setup or enjoy the large turfed yard. The extraordinary primary suite features vaulted ceilings, a lofted reading nook, & a spa-like bath w/ zellige tile, heated floors, marble counters, & alder vanity. Flexible downstairs MIL includes kitchenette, separate entry, sauna, & heated-floor bath. All major systems updated for peace of mind. Privacy here is unmatched—just forest, light, & unforgettable sunsets.
Standout features identified
Our analysis highlights lofted reading nook, cozy gas fireplaces, and lush forest as key attractions of this home.
Estimated monthly payment
Based on current rates
$7,281/month
Principal & Interest$5,721
Property Tax$1,170
Insurance$390
Down payment20% ($234,000)
3%50%
Est. 6.18% rate · 30yr fixed · $936,000 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1975
HeatingFireplace, 90%+ High Efficiency, Ductless, Radiant, Wall Unit(s), Electric, Propane
Cooling90%+ High Efficiency, Ductless
Parking2 Carport spaces
Lot0.98 Acres
Property
Home typeSingle Family
Sub-typeSingle Family Residence
StyleNorthwest Contemporary
ConditionVery Good
Year built1975
Stories2
Systems
HeatingFireplace, 90%+ High Efficiency, Ductless, Radiant, Wall Unit(s), Electric, Propane
Cooling90%+ High Efficiency, Ductless
RoofMetal
ConstructionWood Siding
Water / SewerPublic, Company: Skyway Water / Available, Septic Tank, Company: Septic
Parking & Outdoor
ParkingAttached Carport, Driveway, Off Street, RV Parking
BasementDaylight,Finished
Fireplaces2
Lot0.98 Acres
Location & Tax
Neighborhood98178
Annual tax$10,147
Parcel7878400030
Bathrooms & Fees
Full baths1
Features & details
14 categories of property features
Interior Features
Interior
Bath Off Primary
Ceiling Fan(s)
Dining Room
Loft
Sauna
Appliances
Dishwasher(s)
Disposal
Dryer(s)
Microwave(s)
Refrigerator(s)
Stove(s)/Range(s)
Washer(s)
Garbage Disposal
Water Heater: Gas
Water Heater Location: Basement
Flooring
Ceramic Tile
Hardwood
Laminate
Stone
Carpet
Heating
Fireplace
90%+ High Efficiency
Ductless
Radiant
Wall Unit(s)
Electric
Propane
Cooling
90%+ High Efficiency
Ductless
Fireplace
Gas
Lower Level: 1
Main Level: 1
Fireplace
Windows
Double Pane/Storm Window
Skylight(s)
Triple Pane Windows
Exterior Features
Parking
Attached Carport
Driveway
Off Street
RV Parking
Construction
Wood Siding
Patio & Porch
Second Kitchen
Bath Off Primary
Ceiling Fan(s)
Double Pane/Storm Window
Dining Room
Fireplace
French Doors
Loft
Sauna
Security System
Skylight(s)
Solarium/Atrium
Triple Pane Windows
Vaulted Ceiling(s)
Walk-In Pantry
Water Heater
Lot Features
Dead End Street
Paved
Secluded
Deck
Dog Run
Fenced-Partially
High Speed Internet
Outbuildings
Patio
Propane
RV Parking
Security
Security System
Views
Territorial
Utilities
Xfinity
Room details
15 rooms detailed
Master Bedroom
Bedroom
Bedroom
LowerBedroom
MainBathroom Full
Bathroom Three Quarter
LowerListing insights
Market data and value estimates
StatusSold
Days on market192
Est. value$1,101,700
Est. rent$3,914/mo
Tax rate0.82%
Price/sqft$413
On marketOct 22, 2025
PostedSep 4, 2025
Last sold$1,170,000
MLS statusSold
MLS updatedOct 27, 2025
Tour days6
Views4
How are the schools in Seattle?
3 schools rated nearby
Location
Seattle, WA, 98178
Price history
15 events
DateEventPrice$/sqftSource
Sep 26, 2025Sold$1,170,000$413NWMLS as distributed by MLS GRID
Sep 10, 2025Pending Sale$1,095,000$387NWMLS as distributed by MLS GRID
Sep 4, 2025Listed For Sale$1,095,000$387NWMLS as distributed by MLS GRID
Jan 4, 2023Sold$895,000$316NWMLS as distributed by MLS GRID
Dec 17, 2022Pending Sale$895,000$316NWMLS as distributed by MLS GRID
Nov 3, 2022Listed For Sale$895,000$316NWMLS as distributed by MLS GRID
Oct 31, 2016Sold$475,000$168NWMLS as distributed by MLS GRID
Sep 22, 2016Pending Sale$485,000$171Windermere Real Estate/North, Inc.
Oct 29, 2014Listing Removed$470,000$166Rockwell Realty
Oct 7, 2014Price Change$470,000$166Rockwell Realty
Sep 22, 2014Listed For Sale$485,000$171Rockwell Realty
Dec 11, 2008Listing Removed$639,950$226TourFactory
Sep 20, 2008Price Change$639,950$226TourFactory
Aug 15, 2008Listed For Sale$514,950$182TourFactory
Feb 29, 2000Sold$255,000$90Public Record
Sold$1,170,000
Sep 26, 2025•$413/sqft•NWMLS as distributed by MLS GRID
Pending Sale$1,095,000
Sep 10, 2025•$387/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$1,095,000
Sep 4, 2025•$387/sqft•NWMLS as distributed by MLS GRID
Sold$895,000
Jan 4, 2023•$316/sqft•NWMLS as distributed by MLS GRID
Pending Sale$895,000
Dec 17, 2022•$316/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$895,000
Nov 3, 2022•$316/sqft•NWMLS as distributed by MLS GRID
Sold$475,000
Oct 31, 2016•$168/sqft•NWMLS as distributed by MLS GRID
Pending Sale$485,000
Sep 22, 2016•$171/sqft•Windermere Real Estate/North, Inc.
Listing Removed$470,000
Oct 29, 2014•$166/sqft•Rockwell Realty
Price Change$470,000
Oct 7, 2014•$166/sqft•Rockwell Realty
Listed For Sale$485,000
Sep 22, 2014•$171/sqft•Rockwell Realty
Listing Removed$639,950
Dec 11, 2008•$226/sqft•TourFactory
Price Change$639,950
Sep 20, 2008•$226/sqft•TourFactory
Listed For Sale$514,950
Aug 15, 2008•$182/sqft•TourFactory
Sold$255,000
Feb 29, 2000•$90/sqft•Public Record
Tax history
21 years of records
YearTax paidAssessed value
Apr 7, 2024$10,147$899,000
Apr 7, 2023$8,016$668,000
Apr 7, 2022$7,738$720,000
Apr 7, 2021$7,402$591,000
Apr 7, 2020$6,853$522,000
Apr 7, 2019$6,808$519,000
Apr 7, 2018$6,329$496,000
Apr 7, 2017$6,816$460,000
Apr 7, 2016$4,867$396,000
Apr 7, 2015$4,867$363,000
Apr 7, 2014$4,867$328,000
Apr 7, 2013$4,867$271,000
Apr 7, 2012—$267,000
Apr 7, 2011—$287,000
Apr 7, 2010—$325,000
Apr 7, 2009—$325,000
Apr 7, 2007—$347,000
Apr 7, 2006—$349,000
Apr 7, 2005—$327,000
Apr 7, 2001$3,109$245,000
Apr 7, 2000$2,718$201,000
Nearby homes
Neighborhood details
Local context around this listing
Seattle, WA • King County
Nearby cities
AuburnBellevueBothellFederal WayKentKirklandRedmondRenton
Nearby zip codes
98178
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Based on information submitted to the MLS GRID as of 2026-04-07 07:23:27 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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