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Quadplex (4 Units, Any Combination)Residential

858 ALDER ST

BLAINE, WA 98230
8
Beds
8
Baths
5,224 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,786 (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.$858,701 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$201,798
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$656,903
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$850,199
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$858,701

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.40
38
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
44
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.
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.7 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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Quadplex (4 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Quadraplex
CountyWHATCOM
Lot (acres)The size of the land the home sits on, from county records.0.34
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
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.Patio · 600 ft²Porch · 55 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
Blaine Primary School
Elementary · Grades PK–2 · 0.3 mi
M
Blaine Middle SchoolC-
Middle · Grades 6–8 · 0.3 mi
H
Blaine High SchoolB+
High · Grades 9–12 · 0.4 mi

District: Blaine School District

Neighborhood · ZIP 98230These 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.126
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.210

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.14,154
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.296 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,530
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,627
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

858 Alder 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.

  • Among the largest homes in Blaine 98230
  • Has a bigger lot than 67% of homes in Blaine 98230

How it measures up in Blaine 98230

The dot is this home. The mark in the middle is the typical home in Blaine 98230.

Living area5,224 ft²
SmallerTypical 1,377 ft²Bigger

Bigger than almost all homes nearby

Lot size0.34 ac
SmallerTypical 0.22 acBigger

Bigger than 67% of homes nearby

Year built1986
OlderTypical 1994Newer

Newer than 36% of homes nearby

How 858 Alder St ranks against every home in each area.
MeasureThis homeBlaine 98230Whatcom County
Living areabigger than5,224 ft²almost all homesalmost all homes
Lot sizebigger than0.34 ac67% of homes64% of homes
Year builtnewer than198636% of homes47% of homes

About 858 Alder St

When did 858 Alder St, Blaine, WA last sell?

858 Alder St, Blaine, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 858 Alder St, Blaine, WA?

858 Alder St, Blaine, WA has 8 bedrooms, 8 bathrooms, 5,224 square feet of living space and a 0.34-acre lot.

When was 858 Alder St, Blaine, WA built?

858 Alder St, Blaine, WA was built in 1986, making it 40 years old. It is a quadraplex home. The building has 2 stories.

What schools serve 858 Alder St, Blaine, WA?

858 Alder St, Blaine, WA is assigned to Blaine Primary School (elementary); Blaine Middle School (middle), rated C-; Blaine High School (high), rated B+. All sit in Blaine School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 858 Alder St, Blaine, WA compare to other homes in Blaine 98230?

Among the 11,354 homes in Blaine 98230, it is bigger than almost all of them (5,224 ft² against a typical 1,377 ft²), its lot is bigger than 67% of them (0.34 ac against a typical 0.22 ac) and it is newer than 36% of them (1986 against a typical 1994). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 858 Alder St, Blaine, WA?

The 2025 property tax bill for 858 Alder St, Blaine, WA was $5,786. The county assessed it at $858,701.

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