Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$760,887$136 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

18178 STATE ROUTE 9

MOUNT VERNON, WA 98274
6
Beds
5.5
Baths
5,584 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
2
StoriesHow many floors the home has above ground.

Valuation

$761K
$719K low$803K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,450 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$890,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$253,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$637,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$212,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$890,200

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.32
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
49
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
3
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bi-Level
CountySKAGIT
Lot (acres)The size of the land the home sits on, from county records.0.43
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 405 ft²

Transaction History(6)

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

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 · 1.6 mi
H
Sedro-Woolley High SchoolB
High · Grades 9–12 · 8.2 mi
M
Cascade Middle SchoolC-
Middle · Grades 7–8 · 9.0 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%

Owner Tools

Do you own this home?
Claim this home

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

18178 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 more than 80% of homes in Skagit County
  • Among the lowest price per square foot in Big Lake
  • Among the largest homes in Big Lake
  • Has a bigger lot than 68% 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
$280K$1.4M

This home is worth more than 74% 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$760,887
CheaperTypical $610,051Pricier

Pricier than 74% of homes nearby

Price per ft²$136
CheaperTypical $377Pricier

Cheaper than almost all homes nearby

Living area5,584 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than almost all homes nearby

Lot size0.43 ac
SmallerTypical 0.26 acBigger

Bigger than 68% of homes nearby

How 18178 State Route 9 ranks against every home in each area.
MeasureThis homeBig LakeMount Vernon 98274Skagit County
Estimated valuepricier than$760,88753% of homes74% of homes80% of homes
Price per ft²pricier than$136almost no homesalmost no homesalmost no homes
Living areabigger than5,584 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than0.43 ac45% of homes68% of homes66% of homes

About 18178 State Route 9

How much is 18178 State Route 9, Mount Vernon, WA worth?

The TopHap Estimate for 18178 State Route 9, Mount Vernon, WA is $760,887 as of Jul 14, 2026. The likely range is $718,799 to $802,975. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18178 State Route 9, Mount Vernon, WA last sell?

18178 State Route 9, Mount Vernon, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 18178 State Route 9, Mount Vernon, WA?

18178 State Route 9, Mount Vernon, WA has 6 bedrooms, 5.5 bathrooms, 5,584 square feet of living space and a 0.43-acre lot.

What schools serve 18178 State Route 9, Mount Vernon, WA?

18178 State Route 9, Mount Vernon, WA is assigned to Big Lake Elementary School (elementary), rated B+; Sedro-Woolley High School (high), rated B; Cascade Middle School (middle), rated C-. All sit in Sedro-Woolley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18178 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 74% of them ($760,887 against a typical $610,051), its price per square foot is higher than almost none of them ($136 against a typical $377), it is bigger than almost all of them (5,584 ft² against a typical 1,632 ft²) and its lot is bigger than 68% of them (0.43 ac against a typical 0.26 ac). Measured against all of Skagit County, it is worth more than 80% 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 18178 State Route 9, Mount Vernon, WA?

The 2025 property tax bill for 18178 State Route 9, Mount Vernon, WA was $8,450. The county assessed it at $890,200.

More homes on State Route 9

Closest homes

More homes in Mount Vernon 98274

Assigned schools

Explore the area

See this home in context

Open 18178 State Route 9 on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map