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Single Family ResidenceResidential
$299,751$568 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $286,000 on Sep 24, 2025

45185 DUFFY ST

CONCRETE, WA 98237
1
Beds
1
Baths
528 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$300K
$255K low$344K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$286,000 · Sep 24, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,940 (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.$202,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$107,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$95,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$180,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$202,800

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.1996
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 216 ft²Patio · 600 ft²Porch · 600 ft²

Transaction History(7)

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(1)

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

M
Concrete High SchoolD
Middle · Grades 7–12 · 0.4 mi
E
Concrete Elementary SchoolD
Elementary · Grades KG–6 · 0.4 mi

District: Concrete 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%

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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

45185 Duffy St 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 97% of homes in Skagit County
  • Costs more per square foot than 98% of homes in Concrete 98237
  • Smaller than 97% of homes in Skagit County
  • Has a smaller lot than 84% of homes in Skagit County
  • Older than 93% 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
$173K$945K

This home is worth more than 17% 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$299,751
CheaperTypical $429,722Pricier

Pricier than 17% of homes nearby

Price per ft²$568
CheaperTypical $276Pricier

Pricier than 98% of homes nearby

Living area528 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.13 ac
SmallerTypical 0.37 acBigger

Bigger than 31% of homes nearby

Year built1920
OlderTypical 1992Newer

Newer than 7% of homes nearby

How 45185 Duffy St ranks against every home in each area.
MeasureThis homeConcrete 98237Skagit County
Estimated valuepricier than$299,75117% of homes3% of homes
Price per ft²pricier than$56898% of homes96% of homes
Living areabigger than528 ft²21% of homes3% of homes
Lot sizebigger than0.13 ac31% of homes16% of homes
Year builtnewer than19207% of homes8% of homes

About 45185 Duffy St

How much is 45185 Duffy St, Concrete, WA worth?

The TopHap Estimate for 45185 Duffy St, Concrete, WA is $299,751 as of Oct 21, 2026. The likely range is $255,365 to $344,137. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 45185 Duffy St, Concrete, WA last sell?

45185 Duffy St, Concrete, WA last sold on Sep 24, 2025 for $286,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 45185 Duffy St, Concrete, WA?

45185 Duffy St, Concrete, WA has 1 bedrooms, 1 bathrooms, 528 square feet of living space and a 0.13-acre lot.

When was 45185 Duffy St, Concrete, WA built?

45185 Duffy St, Concrete, WA was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 45185 Duffy St, Concrete, WA?

45185 Duffy St, Concrete, WA is assigned to Concrete High School (middle), rated D; Concrete Elementary School (elementary), rated D. All sit in Concrete School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 45185 Duffy St, Concrete, WA compare to other homes in Concrete 98237?

Among the 3,089 homes in Concrete 98237, it is worth more than 17% of them ($299,751 against a typical $429,722), its price per square foot is higher than 98% of them ($568 against a typical $276), it is bigger than 21% of them (528 ft² against a typical 1,288 ft²), its lot is bigger than 31% of them (0.13 ac against a typical 0.37 ac) and it is newer than 7% of them (1920 against a typical 1992). Measured against all of Skagit County, it is worth more than 3% 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 45185 Duffy St, Concrete, WA?

The 2026 property tax bill for 45185 Duffy St, Concrete, WA was $1,940. The county assessed it at $202,800.

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