$3,000,000

$16,105 est/mo Sourced by Back At You

12125 434th Avenue,North Bend, WA 98045

North Bend, WA 98045

Breathtaking legacy riverfront setting at the base of Mt. Si. Enjoy rare, low-bank Middle Fork River frontage ideal for kayaking and fly fishing, a lush irrigated lawn, a 5’ rock crusher fire pit, and irreplaceable, towering alpine views.

The riverfront exterior glows at twilight, emphasizing the architectural building accent lighting, the primary suite’s private 16'x14' waterproof upper deck, and the elite, year-round covered outdoor patio space overlooking the water.

Exceptional architectural curb appeal greets you at the main entry, featuring a monumental timber frame portico with natural stone pillars, all-cedar exterior siding, and custom rain chains framing the magnificent old-growth cedar entrance.

Sprawling front grounds feature a custom concrete driveway leading to the massive 1,675 SF detached 3-car garage—complete with a lower workshop, half bath, and independent 800 SF luxury living space upstairs—alongside a matching 12’x14’ powered storage shed.

An enchanting evening approach showcases the fully automated, low-voltage landscape and driveway lighting system. This pristine, gated-ready concrete entrance guides you home to the ultimate private alpine sanctuary.

Interior foyer showcases the inside of the one-of-a-kind, 4-inch-thick custom 8’x8’ front entry door built from old-growth cedar and heavy metal. Accented by pristine, clear vertical grain fir trim, custom light fixtures, and polished concrete floors.

The dramatic focal point of the main living space: a monumental 8-foot-wide natural rock wall fireplace stretching all the way to the vaulted ceiling. Features a convenient gas starter, a custom old-growth cedar mantle, and bespoke artisan metal swinging doors.

Expansive great room showcases the full timber frame superstructure with authentic mortise-and-tenon joinery, anchored by ground and polished concrete floors with in-floor hydronic radiant heat. Seamless architectural sightlines lead directly into the high-end chef's kitchen and up to the versatile loft area.

A bird's-eye view from the upper loft highlights the dramatic structural volume, intricate timber framing, and soaring stone hearth. Expansive walls of glass flood the open-concept floor plan with natural light and frame the estate’s private park-like setting.

Indoor-outdoor living perfected. The great room’s massive 8’x16’ 3-panel collapsing glass slider dissolves the boundary to the low-bank Middle Fork River. Features a dedicated entertaining wet bar on the left equipped with an integrated beverage center.

Perfect architectural synergy. This view from the kitchen island highlights the home's open-concept flow, looking past the timber frame supports directly into the great room with its towering natural stone fireplace.

Designed for effortless hosting, the expansive kitchen layout showcases soaring timber beams, premium integrated appliances, and a custom built-in window bench perfect for guests to gather lounge-style near the chef.

A chef’s dream workspace boasting custom dark-slab cabinetry, under-cabinet lighting, a built-in microwave drawer, and an industrial-scale layout tailored for high-volume entertaining.

A spectacular culinary viewpoint. Stand at the professional Wolf range and enjoy direct sightlines through the open-air garage door to the covered patio and the peaceful flowing waters of the Middle Fork River.

Commercial-grade culinary appointments featuring a premium 48-inch Wolf double-oven gas range with signature red knobs, a custom distressed-metal backsplash, high-capacity stainless hood, and a convenient wall-mounted pot filler.

Culinary artistry meets modern industrial design. The gourmet kitchen features a massive stone-topped entertaining island, heated polished concrete floors, and a clear-glass roll-up garage door that opens completely to the riverfront patio.

Sweeping dual-aspect views from the kitchen island sink. Look out through the glass garage door or the adjacent multi-slide glass wall to capture uninterrupted vistas of the lawn, towering evergreens, and the river.

True indoor-outdoor harmony defined. Looking back from the heated outdoor lounge through the open garage door reveals the seamless transition into the main kitchen, creating a massive, cohesive entertaining pavilion.

The ultimate year-round outdoor living room. This covered timber patio features a floor-to-ceiling stone fireplace, flush-mounted Infratech heaters, an integrated media center, and a pristine swim spa/hot tub right on the river's edge.

Striking rear elevation showcasing the home's masterfully executed modern Pacific Northwest architecture. Nestled against a dramatic mountain backdrop, the estate features multi-level decks, a recessed spa, and a sprawling lawn rolling down to the water.

Twilight perfection on the water's edge. Gather around the custom wood-burning fire pit on your expansive riverside lawn for the ultimate Pacific Northwest outdoor entertaining experience.

A majestic, wide-angle view of your private riverfront paradise. The crystalline waters, smooth stone riverbeds, and towering evergreens create an irreplaceable natural backdrop for this world-class estate.

The epitome of Pacific Northwest luxury living. Enjoy unparalleled low-bank access to the crystal-clear river right from your private, manicured lawn—perfect for launching kayaks, paddleboarding, or fly-fishing.

A breathtaking first impression. The grand foyer showcases soaring multi-story timber frame construction, a custom statement staircase, radiant-heated concrete floors, and direct sightlines through the home.

The spacious upper-level loft serves as a versatile media room or second family lounge. Dramatic timber trusses and custom iron railings offer an open architectural perspective overlooking the great room below.

The sanctuary-like primary suite boasts soaring vaulted ceilings, exposed timber frame construction, and large sliding glass doors that step out directly onto a private riverfront deck.

The private primary suite deck offers a peaceful morning escape. Outfitted with high-end cable railings to ensure completely unobstructed, sweeping vistas of the flowing river and the evergreen forest beyond.

A luxurious walk-in shower lined with premium large-format tile. Fully equipped with an advanced multi-valve shower system, integrated body sprays, a handheld wand, and a high-placed privacy window framing forest views.

The spa-inspired primary en-suite bathroom displays a sleek, modern double vanity with clean-lined under-mount sinks, premium hardware, a mosaic tile backsplash, and fine wood cabinetry.

A meticulously designed primary walk-in closet featuring extensive custom built-in shelving, drawers, and wardrobe hanging systems, complete with a seamless view extending out toward the river.

The serene main-house guest suite offers a private retreat for visitors, highlighted by signature soaring vaulted ceilings, exposed timber frame details, and a massive window framing lush garden views.

The beautifully appointed upstairs full bath features a deep standalone soaking tub wrapped in soft-blue subway tile, a separate glass-enclosed walk-in tile shower, and contemporary wood-look tile floors.

An inspiring executive home office. Features custom timber accents, radiant-heated polished concrete floors, and oversized windows that frame serene, private views of the surrounding native greenery.

A striking downstairs half bath seamlessly blending industrial elements with modern design. Features a custom-cast ramped concrete sink, wall-mounted matte hardware, a pipe-style towel rack, and rich timber trim.

The design-forward downstairs 3/4 bath showcases an architectural, geometric tile accent wall in matte charcoal, a custom concrete trough sink on a heavy timber base, and a seamless glass shower with a natural pebble floor.

A high-end laundry and mudroom that combines utility with industrial style. Features a custom concrete apron-front utility sink, extensive dark-slab cabinetry, premium front-load laundry appliances, and a reclaimed wood accent wall.

The ultimate heated showroom garage and hobbyist workshop. Meticulously finished with commercial-grade lighting, a massive heavy-duty fabrication table, extensive built-in tool cabinetry, and ample space for classic cars, ATVs, and outdoor gear.

The spectacular luxury living space located above the garage. This fully self-contained accessory dwelling unit (ADU) features vaulted ceilings, rich wood-plank floors, a spacious media lounge, and a premium kitchenette with a concrete counter and stainless steel farmhouse sink.

The private full bathroom servicing the space above the garage, beautifully styled with a modern vessel sink, custom concrete countertops, warm wood cabinetry, and a glass-enclosed shower with mosaic tile borders.

An unforgettable arrival. A monumental timber-framed entry arbor spans the estate's sweeping concrete driveway, setting an immediate tone of Pacific Northwest luxury and ultimate privacy.

Description

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.

Details

MLS #	2541212
Listing Type	For Sale
Style	House
Sub-Type	Resale
Status	Pending
Year	2012
Days On Site	65
Listing Provided By	TEC Real Estate Inc. \| Karin N Ayling

Features

Bed(s)	3
Bath(s)	6 Total
SQ Feet	3,120
Garage	3
Story(s)	2
Zoning	RA-10
Acreage	0.33
Water Front	Yes
Property View	Yes

Taxes

Property	17071

Area Information

State	WA
County	King
City	North Bend
Zip Code	98045
Area	540 East of Lake Sammamish
Community Name	Mt Si
School District	Mount Si High
Elementary School	North Bend Elem
High School	Mount Si High
Listing VS Median (in Mt Si)
Price: $3,000,000 low \| high Med: $1,945,880 85.137333333333% of Average sqft: 3,120 low \| high Med: 3,540 36.538461538462% of Average $ / sqft: $962 low \| high Med: $551 92.727358113509% of Average On site: 65 low \| high Med: 212 30.660377358491% of Average

Sourced by Back At You

Market Activity 98045

Date	Sales	Avg $ Per SqFt	Min Sale Price	Max Sale Price	Med Sale Price
Date: Jul 2026	Sales: 4	Avg $ Per SqFt: $598.47	Min Sale Price: $515,000	Max Sale Price: $1,246,200	Med Sale Price: $870,875
Date: Jun 2026	Sales: 22	Avg $ Per SqFt: $536.12	Min Sale Price: $701,000	Max Sale Price: $1,625,000	Med Sale Price: $978,250
Date: May 2026	Sales: 23	Avg $ Per SqFt: $512.3	Min Sale Price: $80,000	Max Sale Price: $2,625,000	Med Sale Price: $1,000,000
Date: Apr 2026	Sales: 28	Avg $ Per SqFt: $499.31	Min Sale Price: $240,000	Max Sale Price: $2,835,750	Med Sale Price: $1,237,500
Date: Mar 2026	Sales: 25	Avg $ Per SqFt: $507.48	Min Sale Price: $60,000	Max Sale Price: $1,950,000	Med Sale Price: $1,170,000
Date: Feb 2026	Sales: 26	Avg $ Per SqFt: $408.84	Min Sale Price: $137,950	Max Sale Price: $3,300,000	Med Sale Price: $936,968
Date: Jan 2026	Sales: 21	Avg $ Per SqFt: $458.74	Min Sale Price: $390,000	Max Sale Price: $2,402,000	Med Sale Price: $1,200,000
Date: Dec 2025	Sales: 6	Avg $ Per SqFt: $417.51	Min Sale Price: $3,700	Max Sale Price: $2,600,000	Med Sale Price: $1,155,000
Date: Nov 2025	Sales: 6	Avg $ Per SqFt: $462.11	Min Sale Price: $466,200	Max Sale Price: $2,325,000	Med Sale Price: $1,354,997
Date: Oct 2025	Sales: 9	Avg $ Per SqFt: $526.69	Min Sale Price: $625,000	Max Sale Price: $1,499,995	Med Sale Price: $935,000
Date: Sep 2025	Sales: 7	Avg $ Per SqFt: $546.9	Min Sale Price: $87,000	Max Sale Price: $2,550,000	Med Sale Price: $1,300,000
Date: Aug 2025	Sales: 3	Avg $ Per SqFt: $534.64	Min Sale Price: $969,900	Max Sale Price: $1,820,000	Med Sale Price: $974,900

Sourced by Back At You

Jul 2026
Sales:	4
Avg $ Per SqFt:	$598.47
Min Sale Price:	$515,000
Max Sale Price:	$1,246,200
Med Sale Price:	$870,875
Jun 2026
Sales:	22
Avg $ Per SqFt:	$536.12
Min Sale Price:	$701,000
Max Sale Price:	$1,625,000
Med Sale Price:	$978,250
May 2026
Sales:	23
Avg $ Per SqFt:	$512.3
Min Sale Price:	$80,000
Max Sale Price:	$2,625,000
Med Sale Price:	$1,000,000
Apr 2026
Sales:	28
Avg $ Per SqFt:	$499.31
Min Sale Price:	$240,000
Max Sale Price:	$2,835,750
Med Sale Price:	$1,237,500
Mar 2026
Sales:	25
Avg $ Per SqFt:	$507.48
Min Sale Price:	$60,000
Max Sale Price:	$1,950,000
Med Sale Price:	$1,170,000
Feb 2026
Sales:	26
Avg $ Per SqFt:	$408.84
Min Sale Price:	$137,950
Max Sale Price:	$3,300,000
Med Sale Price:	$936,968
Jan 2026
Sales:	21
Avg $ Per SqFt:	$458.74
Min Sale Price:	$390,000
Max Sale Price:	$2,402,000
Med Sale Price:	$1,200,000
Dec 2025
Sales:	6
Avg $ Per SqFt:	$417.51
Min Sale Price:	$3,700
Max Sale Price:	$2,600,000
Med Sale Price:	$1,155,000
Nov 2025
Sales:	6
Avg $ Per SqFt:	$462.11
Min Sale Price:	$466,200
Max Sale Price:	$2,325,000
Med Sale Price:	$1,354,997
Oct 2025
Sales:	9
Avg $ Per SqFt:	$526.69
Min Sale Price:	$625,000
Max Sale Price:	$1,499,995
Med Sale Price:	$935,000
Sep 2025
Sales:	7
Avg $ Per SqFt:	$546.9
Min Sale Price:	$87,000
Max Sale Price:	$2,550,000
Med Sale Price:	$1,300,000
Aug 2025
Sales:	3
Avg $ Per SqFt:	$534.64
Min Sale Price:	$969,900
Max Sale Price:	$1,820,000
Med Sale Price:	$974,900

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Contact

Learn More About This Property

John McElroy

CB Best Homes

(360) 316-1275 john.m@cbbesthomes.com

State	WA
County	King
City	North Bend
Zip Code	98045
Area	540 East of Lake Sammamish
Community Name	Mt Si
School District	Mount Si High
Elementary School	North Bend Elem
High School	Mount Si High
Listing VS Median (in Mt Si)
Price: $3,000,000 low \| high Med: $1,945,880 85.137333333333% of Average sqft: 3,120 low \| high Med: 3,540 36.538461538462% of Average $ / sqft: $962 low \| high Med: $551 92.727358113509% of Average On site: 65 low \| high Med: 212 30.660377358491% of Average

Sourced by Back At You

Nearby Listings (Within 1/2 mile)

Price: $2.25M - $3.75M

sqft: 2,000 - 3,500

Nearby Listings Property Image	Nearby Listings Details
	$1,210,000 324 Zemp Way North Bend, WA 98045
	$1,185,000 336 Zemp Way North Bend, WA 98045
	$1,199,300 938 Ne 4th North Bend, WA 98045
	$1,195,000 353 Zemp Way North Bend, WA 98045

Listing Updated: August 16, 2026 at 7:06:51 PM PDT

12125 434th Avenue,North Bend, WA 98045

North Bend, WA 98045

Description

Details

Features

Taxes

Area Information

Market Activity 98045

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John McElroy

CB Best Homes

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$1,210,000

$1,185,000

$1,199,300

$1,195,000

John McElroy - Coldwell Banker Best

12125 434th Avenue,North Bend, WA 98045

North Bend, WA 98045

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Description

Details

Features

Taxes

Area Information

Market Activity 98045

Request a showing

Request a showing

Contact

Additional Information

Showing Information

Submit Form

Contact

Learn More About This Property

John McElroy

CB Best Homes

Contact

Additional Information

Submit Form

Attachments

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$1,210,000

$1,185,000

$1,199,300

$1,195,000

John McElroy - Coldwell Banker Best