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Single Family ResidenceResidential
$736,043$152 / 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 90How 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

37921 STATE ROUTE 20

CONCRETE, WA 98237
3
Beds
3.5
Baths
4,858 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.
6.8 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$736K
$664K low$808K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$561,543
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$449,234
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.23%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$174,500
WHIDBEY ISLAND BANK · recorded Jul 15, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,342 (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.$815,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$268,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$547,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$790,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$815,900

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.25 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
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.2003
Lot (acres)The size of the land the home sits on, from county records.6.80
ConstructionThe main material the home's frame and walls are built from.Concrete
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.Shed · 624 ft²Patio · 23 ft²Porch · 340 ft²Greenhouse

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.

E
Lyman Elementary SchoolC
Elementary · Grades KG–6 · 6.8 mi
M
Cascade Middle SchoolC-
Middle · Grades 7–8 · 14.0 mi
H
Sedro-Woolley High SchoolB
High · Grades 9–12 · 14.6 mi

District: Sedro-Woolley School District

Neighborhood · ZIP 98237These 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.160
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.153

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.63%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.4,967
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,151
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,178
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.116 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

37921 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.

  • Worth more than 92% of homes in Concrete 98237
  • Costs less per square foot than 98% of homes in Skagit County
  • Among the largest homes in Concrete 98237
  • Has a bigger lot than 97% of homes in Skagit County
  • Older than 87% of homes in Concrete 98237

What homes are worth in Concrete 98237

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

This home
$134K$932K

This home is worth more than 92% of homes in Concrete 98237.

How it measures up in Concrete 98237

The dot is this home. The mark in the middle is the typical home in Concrete 98237.

Estimated value$736,043
CheaperTypical $412,463Pricier

Pricier than 92% of homes nearby

Price per ft²$152
CheaperTypical $306Pricier

Pricier than 5% of homes nearby

Living area4,858 ft²
SmallerTypical 1,244 ft²Bigger

Bigger than almost all homes nearby

Lot size6.8 ac
SmallerTypical 0.39 acBigger

Bigger than 95% of homes nearby

Year built1957
OlderTypical 1992Newer

Newer than 13% of homes nearby

How 37921 State Route 20 ranks against every home in each area.
MeasureThis homeConcrete 98237Skagit County
Estimated valuepricier than$736,04392% of homes76% of homes
Price per ft²pricier than$1525% of homes2% of homes
Living areabigger than4,858 ft²almost all homesalmost all homes
Lot sizebigger than6.8 ac95% of homes97% of homes
Year builtnewer than195713% of homes22% of homes

About 37921 State Route 20

How much is 37921 State Route 20, Concrete, WA worth?

The TopHap Estimate for 37921 State Route 20, Concrete, WA is $736,043 as of Jul 14, 2026. The likely range is $663,896 to $808,190. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 37921 State Route 20, Concrete, WA last sell?

37921 State Route 20, Concrete, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 37921 State Route 20, Concrete, WA?

37921 State Route 20, Concrete, WA has 3 bedrooms, 3.5 bathrooms, 4,858 square feet of living space and a 6.80-acre lot.

When was 37921 State Route 20, Concrete, WA built?

37921 State Route 20, Concrete, WA was built in 1957, making it 69 years old. The building has 1 story.

What schools serve 37921 State Route 20, Concrete, WA?

37921 State Route 20, Concrete, WA is assigned to Lyman Elementary School (elementary), rated C; Cascade Middle School (middle), rated C-; Sedro-Woolley High School (high), rated B. All sit in Sedro-Woolley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 37921 State Route 20, Concrete, WA compare to other homes in Concrete 98237?

Among the 2,883 homes in Concrete 98237, it is worth more than 92% of them ($736,043 against a typical $412,463), its price per square foot is higher than 5% of them ($152 against a typical $306), it is bigger than almost all of them (4,858 ft² against a typical 1,244 ft²), its lot is bigger than 95% of them (6.8 ac against a typical 0.39 ac) and it is newer than 13% of them (1957 against a typical 1992). Measured against all of Skagit County, it is worth more than 76% 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 37921 State Route 20, Concrete, WA?

The 2025 property tax bill for 37921 State Route 20, Concrete, WA was $7,342. The county assessed it at $815,900.

Closest homes

More homes in Concrete 98237

Assigned schools

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