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Single Family ResidenceResidential
$481,322$320 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

21437 STATE ROUTE 20

SEDRO WOOLLEY, WA 98284
3
Beds
1
Baths
1,503 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$481K
$450K low$513K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$950 (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.$499,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$188,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$310,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$530,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$499,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.2006
Lot (acres)The size of the land the home sits on, from county records.0.52
ConstructionThe main material the home's frame and walls are built from.Concrete
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.Baseboard
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
ViewThe type of view from the property, or another feature of the site that affects value.Yes - Type Unknown
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 436 ft²Shed · 120 ft²Patio · 456 ft²Porch · 456 ft²

Transaction History(2)

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.

H
Sedro-Woolley High SchoolB
High · Grades 9–12 · 2.1 mi
E
Central Elementary SchoolB-
Elementary · Grades KG–6 · 2.4 mi
M
Cascade Middle SchoolC-
Middle · Grades 7–8 · 3.0 mi

District: Sedro-Woolley School District

Neighborhood · ZIP 98284These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.204

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.29,610
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.91 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,495
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,499
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.107 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

21437 State Route 20 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.

  • Has a bigger lot than 70% of homes in Skagit County

What homes are worth in Sedro Woolley 98284

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

This home
$243K$1.1M

This home is worth more than 51% of homes in Sedro Woolley 98284.

How it measures up in Sedro Woolley 98284

The dot is this home. The mark in the middle is the typical home in Sedro Woolley 98284.

Estimated value$481,322
CheaperTypical $478,420Pricier

Pricier than 51% of homes nearby

Price per ft²$320
CheaperTypical $328Pricier

Pricier than 46% of homes nearby

Living area1,503 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.52 ac
SmallerTypical 0.3 acBigger

Bigger than 60% of homes nearby

Year built1985
OlderTypical 1989Newer

Newer than 47% of homes nearby

How 21437 State Route 20 ranks against every home in each area.
MeasureThis homeSedro Woolley 98284Skagit County
Estimated valuepricier than$481,32251% of homes38% of homes
Price per ft²pricier than$32046% of homes44% of homes
Living areabigger than1,503 ft²54% of homes45% of homes
Lot sizebigger than0.52 ac60% of homes70% of homes
Year builtnewer than198547% of homes48% of homes

About 21437 State Route 20

How much is 21437 State Route 20, Sedro Woolley, WA worth?

The TopHap Estimate for 21437 State Route 20, Sedro Woolley, WA is $481,322 as of Aug 30, 2026. The likely range is $449,823 to $512,821. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21437 State Route 20, Sedro Woolley, WA last sell?

21437 State Route 20, Sedro Woolley, WA last sold on Mar 10, 2025, according to the county's recorded deed.

How big is 21437 State Route 20, Sedro Woolley, WA?

21437 State Route 20, Sedro Woolley, WA has 3 bedrooms, 1 bathrooms, 1,503 square feet of living space and a 0.52-acre lot.

When was 21437 State Route 20, Sedro Woolley, WA built?

21437 State Route 20, Sedro Woolley, WA was built in 1985, making it 41 years old. The building has 1 story.

What schools serve 21437 State Route 20, Sedro Woolley, WA?

21437 State Route 20, Sedro Woolley, WA is assigned to Sedro-Woolley High School (high), rated B; Central Elementary School (elementary), 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 21437 State Route 20, Sedro Woolley, WA compare to other homes in Sedro Woolley 98284?

Among the 9,647 homes in Sedro Woolley 98284, it is worth more than 51% of them ($481,322 against a typical $478,420), its price per square foot is higher than 46% of them ($320 against a typical $328), it is bigger than 54% of them (1,503 ft² against a typical 1,440 ft²), its lot is bigger than 60% of them (0.52 ac against a typical 0.3 ac) and it is newer than 47% of them (1985 against a typical 1989). Measured against all of Skagit County, it is worth more than 38% 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 21437 State Route 20, Sedro Woolley, WA?

The 2026 property tax bill for 21437 State Route 20, Sedro Woolley, WA was $950. The county assessed it at $499,300.

More homes on State Route 20

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More homes in Sedro Woolley 98284

Assigned schools

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