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Single Family Residence w/ ADUResidential
$495,179$400 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $460,000 on Aug 19, 2022

18070 STATE ROUTE 9

MOUNT VERNON, WA 98274
3
Beds
1
Baths
1,237 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$495K
$470K low$520K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$460,000 · Aug 19, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,125 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$424,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$205,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$218,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$369,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$424,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence w/ ADU
CountySkagit
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1999
Lot (acres)The size of the land the home sits on, from county records.0.58
ConstructionThe main material the home's frame and walls are built from.Wood Frame
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Oil
CoolingThe type of cooling or air conditioning in the home.Wall Unit
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 257 ft²Shed · 192 ft²Patio · 390 ft²Porch · 120 ft²

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Big Lake Elementary SchoolB
Elementary · Grades KG–6 · 1.5 mi
H
Sedro-Woolley High SchoolC
High · Grades 9–12 · 8.1 mi
M
Cascade Middle SchoolD+
Middle · Grades 7–8 · 8.9 mi

District: Sedro-Woolley School District

Neighborhood · ZIP 98274These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.221

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.20,170
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.158 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,361
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,095
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.89 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

18070 State Route 9 measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 94% of homes in Big Lake
  • Smaller than 81% of homes in Big Lake
  • Has a bigger lot than 75% of homes in Mount Vernon 98274
  • Older than 97% of homes in Mount Vernon 98274

What homes are worth in Mount Vernon 98274

Each bar is how many homes fall in that price range. The marker is this home.

This home
$330K$1.6M

This home is worth more than 14% of homes in Mount Vernon 98274.

How it measures up in Mount Vernon 98274

The dot is this home. The mark in the middle is the typical home in Mount Vernon 98274.

Estimated value$495,179
CheaperTypical $639,524Pricier

Pricier than 14% of homes nearby

Price per ft²$400
CheaperTypical $387Pricier

Pricier than 56% of homes nearby

Living area1,237 ft²
SmallerTypical 1,644 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.58 ac
SmallerTypical 0.27 acBigger

Bigger than 75% of homes nearby

Year built1910
OlderTypical 1993Newer

Newer than 3% of homes nearby

How 18070 State Route 9 ranks against every home in each area.
MeasureThis homeBig LakeMount Vernon 98274Skagit County
Estimated valuepricier than$495,1796% of homes14% of homes26% of homes
Price per ft²pricier than$40051% of homes56% of homes60% of homes
Living areabigger than1,237 ft²19% of homes25% of homes27% of homes
Lot sizebigger than0.58 ac58% of homes75% of homes72% of homes
Year builtnewer than19105% of homes3% of homes5% of homes

About 18070 State Route 9

How much is 18070 State Route 9, Mount Vernon, WA worth?

The TopHap Estimate for 18070 State Route 9, Mount Vernon, WA is $495,179 as of Sep 24, 2026. The likely range is $470,093 to $520,265. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18070 State Route 9, Mount Vernon, WA last sell?

18070 State Route 9, Mount Vernon, WA last sold on Aug 19, 2022 for $460,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18070 State Route 9, Mount Vernon, WA?

18070 State Route 9, Mount Vernon, WA has 3 bedrooms, 1 bathrooms, 1,237 square feet of living space and a 0.58-acre lot.

When was 18070 State Route 9, Mount Vernon, WA built?

18070 State Route 9, Mount Vernon, WA was built in 1910, making it 116 years old. The building has 2 stories.

What schools serve 18070 State Route 9, Mount Vernon, WA?

18070 State Route 9, Mount Vernon, WA is assigned to Big Lake Elementary School (elementary), rated B; Sedro-Woolley High School (high), rated C; Cascade Middle School (middle), rated D+. All sit in Sedro-Woolley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18070 State Route 9, Mount Vernon, WA compare to other homes in Mount Vernon 98274?

Among the 7,181 homes in Mount Vernon 98274, it is worth more than 14% of them ($495,179 against a typical $639,524), its price per square foot is higher than 56% of them ($400 against a typical $387), it is bigger than 25% of them (1,237 ft² against a typical 1,644 ft²), its lot is bigger than 75% of them (0.58 ac against a typical 0.27 ac) and it is newer than 3% of them (1910 against a typical 1993). Measured against all of Skagit County, it is worth more than 26% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18070 State Route 9, Mount Vernon, WA?

The 2026 property tax bill for 18070 State Route 9, Mount Vernon, WA was $4,125. The county assessed it at $424,300.

More homes on State Route 9

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Assigned schools

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