For Sale34d on market

3856 Cascadia Avenue S

Seattle, WA, 98118 • Mt. Baker • King County

$2,800,000

$792/sqft

6Beds

4Baths

3,537Sqft

0.12 acLot

2025Built

Property DNA

8 highlights

Waterfront Property

Direct water access

Scenic Views

City · Lake

Multi Level Style

Built 2025 · 1 years of history

Mt Baker

Mt. Baker

Outdoor Living

Second Kitchen · Second Primary Bedroom · Bath Off Primary · Dbl Pane/Storm Window · Dining Room · Fireplace · Pantry · Walk-In Closet(s) · Water Heater

1 Fireplace

Gas · Main Level: 1 · Fireplace

Garage

Driveway · Attached Garage · Off Street

Ceramic Tile & Engineered Hardwood Floors

Quality flooring throughout

This home is getting attention

Listed 34 days ago · 1,217 views · 74 saves

Market activity

Demand and pricing signals for this listing

1,217 views

People checking out this listing

74 saves

Buyers have saved this home

34 days on market

Established listing

$792/sqft

Price per square foot

About this home

Single Family · Built 2025

Sleek, bold, built to last—this Mt. Baker new construction home on Cascadia Ave S is a Modern Masterpiece. With six bedrooms and a primary suite featuring a spa-grade bathroom, you’re set for ultimate comfort. The open-concept main floor offers spacious living and dining areas centered around a see-through fireplace and chef’s kitchen with 6-burner Wolf range, Sub-Zero fridge, and leather absolute black granite countertops. The lower level has a second kitchen, bedroom, and living area opening to a large deck and level, fully fenced backyard. Wellness and relaxation await with a private sauna and cold plunge tub. An expansive rooftop deck crowns this remarkable home, offering sweeping views of Lake Washington, Bellevue and Mt Rainier.

Estimated monthly payment

Based on current rates

$17,435/month

Principal & Interest$13,702

Property Tax$2,800

Insurance$933

Down payment20% ($560,000)

3%50%

Est. 6.19% rate · 30yr fixed · $2,240,000 loan

Full calculator →

At a glance

Key facts and listing details

TypeSingle Family Residence

Year Built2025

HeatingFireplace, Ductless, Wall Furnace, Electric, Natural Gas

CoolingDuctless

Parking2 Attached Garage spaces

Lot5,301 sqft

Days on Zillow34 Days

Price/sqft$792

Property

Home typeSingle Family

Sub-typeSingle Family Residence

StyleMulti Level

Year built2025

Systems

HeatingFireplace, Ductless, Wall Furnace, Electric, Natural Gas

CoolingDuctless

RoofFlat

ConstructionBrick, Cement Planked, Wood Siding, Cement Plank

Water / SewerPublic, Company: Seattle Public Utilities / Sewer Connected, Company: Seattle Public Utilities

Parking & Outdoor

ParkingDriveway, Attached Garage, Off Street

BasementNone

Fireplaces1

Lot5,301 sqft

Location & Tax

NeighborhoodMt. Baker

Annual tax$1

Parcel8121100620

Bathrooms & Fees

Full baths2

Features & details

13 categories of property features

Interior Features

Interior

Bath Off Primary

Dining Room

Pantry

Appliances

Dishwasher

Disposal

Dryer

Microwave

Refrigerator

Stove(s)/Range(s)

Washer

Dishwasher(s)

Dryer(s)

Garbage Disposal

Microwave(s)

Refrigerator(s)

Washer(s)

Water Heater: Tank

Water Heater Location: Closet

Flooring

Ceramic Tile

Engineered Hardwood

Heating

Fireplace

Ductless

Wall Furnace

Electric

Natural Gas

Cooling

Ductless

Fireplace

Gas

Main Level: 1

Fireplace

Windows

Dbl Pane/Storm Window

Exterior Features

Parking

Driveway

Attached Garage

Off Street

Construction

Brick

Cement Planked

Wood Siding

Cement Plank

Patio & Porch

Second Kitchen

Second Primary Bedroom

Bath Off Primary

Dbl Pane/Storm Window

Dining Room

Fireplace

Pantry

Walk-In Closet(s)

Water Heater

Lot Features

Curbs

Paved

Sidewalk

Deck

Fenced-Fully

Patio

Views

City

Lake

Utilities

Cable Ready But Not Yet Connected To Service

Internet Ready But Not Yet Connected To Service

Room details

17 rooms detailed

Master Bedroom

Second

Bedroom

Second

Bedroom

Second

Bedroom

Second

Bedroom

Second

Bedroom

Lower

Listing insights

Market data and value estimates

StatusFor Sale

Days on market34

Est. value$2,716,500

Est. rent$5,854/mo

Tax rate0.82%

Price/sqft$792

On marketOct 17, 2025

PostedMar 3, 2026

MLS statusActive

MLS updatedApr 2, 2026

Tour days9

Favorites74

How are the schools in Seattle?

3 schools rated nearby

John Muir Elementary School

Elementary • Public • K-5

0.5 mi

Washington Middle School

Middle • Public • 6-8

2.3 mi

Franklin High School

High • Public • 9-12

0.7 mi

Location

Seattle, WA, 98118

Expand map

Price history

1 event

DateEventPrice$/sqftSource

Mar 3, 2026Listed For Sale$2,800,000$792NWMLS as distributed by MLS GRID

Listed For Sale$2,800,000

Mar 3, 2026•$792/sqft•NWMLS as distributed by MLS GRID

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Neighborhood details

Local context around this listing

Seattle, WA • King County

Nearby neighborhoods

AdamsCapitol HillFirst HillFremontGreenwoodMagnoliaMinorRavennaUniversity DistrictWallingford

Nearby cities

AuburnBellevueBothellFederal WayKentKirklandRedmondRenton

Nearby zip codes

98040981039810598109981159811798118981229812598133

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Value estimates

Live

Est. value$2,716,500

Est. rent$5,854/mo

30yr rate est.6.19%

Affordability$16,740/mo

Accepted financing

Conventional

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Based on information submitted to the MLS GRID as of 2026-04-07 10:03:45 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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