12125 434th Avenue SE, North Bend, WA 98045 | MLS #NWM2541212 | Berkshire Hathaway HomeServices Northwest Real Estate  
 
Listing provided courtesy of TEC Real Estate Inc.NWMLSas Distributed by MLSGrid- MLS# NWM2541212MLS Provider

12125 434th Avenue SENorth Bend, WA 98045

Single Family · 3 Beds · 2 Full Baths · 2 Half Baths · 2 Three Quarter Baths · 3,120 Sq. ft. | 0.33 Acres
$3,000,000 Active

12125 434th Avenue SE Overview

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A true one-of-a-kind legacy property, this ultra-custom Timber Frame estate at the base of Mt. Si offers an unparalleled PNW lifestyle with low-bank Middle Fork River frontage perfect for kayaking, fly fishing, and summer tubing. Masterfully built with authentic mortise-and-tenon joinery, the 3,120 SF main home features a 4 old-growth cedar/metal door and polished concrete floors with in-floor hydronic radiant heat. Living spaces blend effortlessly with nature via an 8’x16’ collapsing slider in the great room and an 8’x14’ glass garage door in the chef's kitchen boasting a 60” Wolf range, Thermador fridge, and gorgeous quartz counters. Seamless entertaining flows from the dedicated theater room to a heated covered patio with Infratech heaters, a gas fireplace, and a built-in Weber grill. Unwind in the primary sanctuary featuring a private deck with unobstructed river views and a marble spa bath. Steps away, the massive 1,675 SF detached 3-car garage offers a lower workshop with built-in air lines, a half bath, second laundry set, plus a completely independent, fully appointed 800 SF luxury living space upstairs. Encompassed by irrigated grounds with automated lighting, an Artesian spa, and a 5’ rock crusher fire pit at the water's edge, this irreplaceable masterpiece delivers ultimate alpine charm near world-class hiking and mountain biking, all just minutes from town with an easy commute to Bellevue and Seattle.

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12125 434th Avenue SE Facts & Features

  • Type Single Family
  • Sq. ft. 3,120
  • Price/Sq.ft. $962
  • Lot 0.33 Acres

Details

General

Association/HOA

  • Association Fee: $0.00

School Information

  • School District: Snoqualmie Valley
  • Elementary School: North Bend Elem
  • Middle Or Junior School: Twin Falls Mid
  • High School: Mount Si High

Building Information

  • New Construction: No
  • Year Built: 2012

Location/Region

  • Country: US
  • County Or Parish: King
  • MLS Area Major: 540 - East of Lake Sammamish
  • Subdivision Name: Mt Si

Community/Development

  • Community Features: Trail(s)

Rent/Lease Information

  • Land Lease: No

Tax Information

  • Tax Annual Amount: $17,071.42
  • Tax Year: 2026

General Information

  • Inclusions: Dishwasher(s), Double Oven, Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Listing Terms: Cash, Conventional
  • Parcel Number: 1023089118
  • Property Condition: Very Good
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No
  • Special Listing Conditions: None

Interior

Building Information

  • Building Information: Built On Lot

Parking Information

  • Garage: Yes

Beds/Baths

  • Bathrooms Full: 2
  • Bathrooms Half: 2
  • Bathrooms Three Quarter: 2
  • Bathrooms Total: 6
  • Bedrooms Total: 3
  • Bedrooms Lower: 0
  • Bedrooms Possible: 3
  • Bedrooms Upper: 2

Building Interior

  • Appliances Included: Dishwasher(s), Double Oven, Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Building Area Total: 3120
  • Building Area Units: Square Feet
  • Calculated Square Footage: 3120
  • Square Footage Finished: 3120
  • Square Footage Unfinished: 0

General Information

  • Appliances: Dishwasher, Double Oven, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Tankless Water Heater, Washer
  • Basement: None
  • Cooling: No
  • Entry Location: Main
  • Fireplace Features: Gas,Wood Burning
  • Fireplace: Yes
  • Fireplaces Total: 2
  • Flooring: Ceramic Tile, Concrete, Hardwood, See Remarks, Carpet
  • Foundation Details: Poured Concrete
  • Heating: Yes
  • Interior Features: Bath Off Primary, Ceiling Fan(s), Dbl Pane/Storm Window, Fireplace, High Tech Cabling, Hot Tub/Spa, Pantry, Vaulted Ceiling(s), Walk-In Closet(s), Wet Bar, Wine/Beverage Refrigerator
  • Levels: Two
  • Living Area: 3120
  • Main Level Bathrooms: 3
  • Main Level Bedrooms: 1
  • Power Production Type: Electric,Natural Gas,Wood
  • Spa: Yes

Exterior

Parking Information

  • Open Parking: No
  • Parking Features: Detached Garage, RV Parking
  • Parking Total: 3

Lot Information

  • Irrigation Water Rights: No
  • Lot Features: Dead End Street, Paved
  • Lot Size Acres: 0.3297
  • Lot Size Square Feet: 14362
  • Lot Size Units: Square Feet
  • Site Features: Cable TV, Deck, Gas Available, High Speed Internet, Hot Tub/Spa, Irrigation, Outbuildings, Outdoor Fireplace, Patio, RV Parking, Sprinkler System
  • Topography: Level
  • Vegetation: Garden Space
  • Elevation Units: Feet
  • Water Source: Public

Waterfront/View

  • Waterfront Features: River
  • Waterfront Footage: 50
  • Waterfront: Yes

Building Exterior/Construction

  • Attached Garage: No
  • Direction Faces: North
  • Roof: Metal
  • Structure Type: House

General Information

  • Carport: No
  • Covered Spaces: 3
  • Exterior Features: Stone, Wood
  • Sewer: Septic Tank

Room Information

Room: Bathroom Half

  • Level: Main

Room: Bathroom Half

  • Level: Main

Room: Bathroom Three Quarter

  • Level: Main

Room: Bedroom

  • Level: Main

Room: Den/Office

  • Level: Main

Room: Entry Hall

  • Level: Main

Room: Great Room

  • Level: Main

Room: Kitchen With Eating Space

  • Level: Main

Room: Utility Room

  • Level: Main

Room: Bathroom Full

  • Level: Second

Room: Bathroom Full

  • Level: Second

Room: Bathroom Three Quarter

  • Level: Second

Room: Bedroom

  • Level: Second

Room: Primary Bedroom

  • Level: Second

12125 434th Avenue SE Neighborhood

Community

98045 (North Bend) Demographics

40
Median Age
44
Population Density (per sq. mile)
57%
College Educated
$111,767
Estimated Median Income
4,560
Estimated Total Home Owners
1,158
Estimated Total Renters
80% / 20%
Estimated Owner / Renter Divide
3
Estimated Average Household Size
Community data courtesy of LiveBy, Inc.

Schools

School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

12125 434th Avenue SE Monthly Cost

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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

12125 434th Avenue SE Market Data

Based on the last 30 days in this zip code

$1,282,082
Average List Price
$533
Average Price per Square Foot
21
Properties Sold
94
Average Days on Market
97
Properties for Sale
Calculations provided by Reliance Network

12125 434th Avenue SE History

Date Event Value Agent
6/18/2026Source: NWMLS Added to Database
June 18, 2026