Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$528,011$451 / 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 86How 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 $800,000 on Mar 15, 2022

170 ALDER DR

SEDRO WOOLLEY, WA 98284
2
Beds
2
Baths
1,170 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$528K
$455K low$601K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$800,000 · Mar 15, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,595 (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.$460,319 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$262,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$197,819
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$491,581
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$460,319

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.55
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
48
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
98
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
17
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

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
CountyWHATCOM
Lot (acres)The size of the land the home sits on, from county records.0.21
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.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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 · 334 ft²

Transaction History(1)

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
Acme Elementary SchoolD+
Elementary · Grades KG–6 · 7.4 mi
M
Mount Baker Junior High SchoolD-
Middle · Grades 7–8 · 13.3 mi
H
Mount Baker Senior High SchoolC+
High · Grades 9–12 · 13.3 mi

District: Mount Baker 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%

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

170 Alder Dr 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 65% of homes in Whatcom County
  • Costs more per square foot than 91% of homes in Sedro Woolley 98284
  • Smaller than 77% of homes in Sedro Woolley 98284

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
$325K$1.2M

This home is worth more than 53% 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$528,011
CheaperTypical $518,880Pricier

Pricier than 53% of homes nearby

Price per ft²$451
CheaperTypical $329Pricier

Pricier than 91% of homes nearby

Living area1,170 ft²
SmallerTypical 1,591 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.21 ac
SmallerTypical 0.3 acBigger

Bigger than 36% of homes nearby

Year built1995
OlderTypical 1989Newer

Newer than 64% of homes nearby

How 170 Alder Dr ranks against every home in each area.
MeasureThis homeSedro Woolley 98284Whatcom County
Estimated valuepricier than$528,01153% of homes35% of homes
Price per ft²pricier than$45191% of homes76% of homes
Living areabigger than1,170 ft²23% of homes28% of homes
Lot sizebigger than0.21 ac36% of homes42% of homes
Year builtnewer than199564% of homes63% of homes

About 170 Alder Dr

How much is 170 Alder Dr, Sedro Woolley, WA worth?

The TopHap Estimate for 170 Alder Dr, Sedro Woolley, WA is $528,011 as of Oct 21, 2026. The likely range is $454,874 to $601,148. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 170 Alder Dr, Sedro Woolley, WA last sell?

170 Alder Dr, Sedro Woolley, WA last sold on Mar 15, 2022 for $800,000, according to the county's recorded deed.

How big is 170 Alder Dr, Sedro Woolley, WA?

170 Alder Dr, Sedro Woolley, WA has 2 bedrooms, 2 bathrooms, 1,170 square feet of living space and a 0.21-acre lot.

When was 170 Alder Dr, Sedro Woolley, WA built?

170 Alder Dr, Sedro Woolley, WA was built in 1995, making it 31 years old. The building has 1 story.

What schools serve 170 Alder Dr, Sedro Woolley, WA?

170 Alder Dr, Sedro Woolley, WA is assigned to Acme Elementary School (elementary), rated D+; Mount Baker Junior High School (middle), rated D-; Mount Baker Senior High School (high), rated C+. All sit in Mount Baker School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 170 Alder Dr, Sedro Woolley, WA compare to other homes in Sedro Woolley 98284?

Among the 9,975 homes in Sedro Woolley 98284, it is worth more than 53% of them ($528,011 against a typical $518,880), its price per square foot is higher than 91% of them ($451 against a typical $329), it is bigger than 23% of them (1,170 ft² against a typical 1,591 ft²), its lot is bigger than 36% of them (0.21 ac against a typical 0.3 ac) and it is newer than 64% of them (1995 against a typical 1989). Measured against all of Whatcom County, it is worth more than 35% 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 170 Alder Dr, Sedro Woolley, WA?

The 2026 property tax bill for 170 Alder Dr, Sedro Woolley, WA was $3,595. The county assessed it at $460,319.

More homes on Alder Dr

Closest homes

More homes in Sedro Woolley 98284

Assigned schools

Explore the area

See this home in context

Open 170 Alder Dr 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