18426 State Route 9 Mount Vernon WA 98274 MLS #NWM2475897
Stunning Big Lake view custom built home on 1.12 acres with sweeping 180° lake vistas. The main level is designed for everyday comfort and effortless entertaining, featuring an open living and dining area framed by expansive lake views, two bedrooms, and a lake-facing primary suite with private deck access and an attached office that can easily convert to a third bedroom. The kitchen offers stainless steel appliances, granite countertops, and an oversized island with generous bar seating, flowing seamlessly into the living space and enclosed sunroom. Step outside to the expansive deck and take in the incredible lake scenery—ideal for entertaining or enjoying the view year-round. The lower level provides approximately 700+ sq ft of additional living space with two bedrooms, a second full kitchen, private entry, and extra parking—perfect for guests or multi-generational living. The property also includes a detached 400 sq ft tiny home with its own parking and natural privacy, ideal for Airbnb income, guest use, or rental opportunities. Two additional detached, fully finished spaces offer flexible options for home offices, studios, or private retreats. Beautifully landscaped grounds feature pergolas, a waterfall, fire pit, and potting shed, creating a true outdoor sanctuary. Immaculately maintained and thoughtfully designed, this rare Big Lake retreat blends comfort, versatility, and the very best of Northwest living. A must-see to fully appreciate all this property offers.
Current real estate data for Single Family in Mount Vernon as of Feb 10, 2026
104
Single Family Listed
85
Avg DOM
393
Avg $ / SqFt
$829,011
Avg List Price
Property Details
Price:
$1,140,000
MLS #:
NWM2475897
Status:
Active
Beds:
4
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Big Lake
Neighborhood:
835mountvernon
Listed Date:
Feb 5, 2026
Finished Sq Ft:
2,181
Total Sq Ft:
2,181
Lot Size:
48,787 sqft / 1.12 acres (approx)
Year Built:
2019
Schools
School District:
Sedro Woolley
Elementary School:
Big Lake Elem
Middle School:
Cascade Mid
High School:
Sedro Woolley Snr Hi
Interior
Appliances
Dishwasher(s), Disposal, Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
Bathrooms
2 Full Bathrooms, 1 Three Quarter Bathroom
Cooling
90%+ High Efficiency, Forced Air, Heat Pump
Fireplaces Total
1
Flooring
Engineered Hardwood, Laminate, Vinyl, Carpet
Heating
90%+ High Efficiency, Forced Air, Heat Pump, Wall Unit(s)
Exterior
Construction Materials
Cement Plank
Exterior Features
Cement Planked
Parking Features
Driveway, Attached Garage, Off Street, RV Parking
Parking Spots
3
Roof
Composition
Security Features
Partially Fenced
Financial
Tax Year
2025
Taxes
$6,797
Map
Contact Us
Mortgage Calculator
Community
- Address18426 State Route 9 Mount Vernon WA
- SubdivisionBig Lake
- CityMount Vernon
- CountySkagit
- Zip Code98274
Property Summary
- Located in the Big Lake subdivision, 18426 State Route 9 Mount Vernon WA is a Single Family for sale in Mount Vernon, WA, 98274. It is listed for $1,140,000 and features 4 beds, 3 baths, and has approximately 2,181 square feet of living space, and was originally constructed in 2019. The current price per square foot is $523. The average price per square foot for Single Family listings in Mount Vernon is $393. The average listing price for Single Family in Mount Vernon is $829,011. To schedule a showing of MLS#nwm2475897 at 18426 State Route 9 in Mount Vernon, WA, contact your HomeSmart One Realty agent at 425-218-4178.
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Listing courtesy of eXp RealtyThe database information herein is provided from and copyrighted by the Northwest Multiple Listing Service (NWMLS) as distributed by MLS GRID. NWMLS data may not be reproduced or redistributed and is only for people viewing this site. All information provided is deemed reliable but is not guaranteed and should be independently verified. All properties are subject to prior sale or withdrawal. This site was last updated Feb-10-2026 1:10:35 pm. © 2026 NWMLS.
18426 State Route 9
Mount Vernon, WA



