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Residential (General/Single)Residential
$480,864$2,004 / 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 Sep 24, 2026

4 UNKNOWN ST

GIRDWOOD, AK
0
Baths
240 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$481K
$447K low$515K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$613 (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.$99,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$100,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$99,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyANCHORAGE
Lot (acres)The size of the land the home sits on, from county records.0.14
HeatingThe type of heating system in the home.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 · 54 ft²Shed · 72 ft²Porch · 18 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
Girdwood PreK-8B
Elementary · Grades PK–8 · 2.4 mi
H
South High SchoolA+
High · Grades 9–12 · 24.2 mi

District: Anchorage School District

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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

4 Unknown 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 89% of homes in Girdwood
  • Among the highest price per square foot in Anchorage Municipality County
  • Among the smallest homes in Anchorage Municipality County
  • Has a smaller lot than 98% of homes in Girdwood
  • Older than 73% of homes in Girdwood

How it measures up in Girdwood

The dot is this home. The mark in the middle is the typical home in Girdwood.

Estimated value$480,864
CheaperTypical $716,293Pricier

Pricier than 11% of homes nearby

Price per ft²$2004
CheaperTypical $611Pricier

Pricier than almost all homes nearby

Living area240 ft²
SmallerTypical 1,276 ft²Bigger

Smaller than almost all homes nearby

Lot size0.14 ac
SmallerTypical 0.3 acBigger

Bigger than 2% of homes nearby

Year built1975
OlderTypical 1983Newer

Newer than 27% of homes nearby

How 4 Unknown St ranks against every home in each area.
MeasureThis homeGirdwoodAnchorage Municipality County
Estimated valuepricier than$480,86411% of homes63% of homes
Price per ft²pricier than$2004almost all homesalmost all homes
Living areabigger than240 ft²almost no homesalmost no homes
Lot sizebigger than0.14 ac2% of homes14% of homes
Year builtnewer than197527% of homes32% of homes

About 4 Unknown St

How much is 4 Unknown St, Girdwood, AK worth?

The TopHap Estimate for 4 Unknown St, Girdwood, AK is $480,864 as of Sep 24, 2026. The likely range is $446,583 to $515,145. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Unknown St, Girdwood, AK last sell?

4 Unknown St, Girdwood, AK last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 Unknown St, Girdwood, AK?

4 Unknown St, Girdwood, AK has 240 square feet of living space and a 0.14-acre lot.

When was 4 Unknown St, Girdwood, AK built?

4 Unknown St, Girdwood, AK was built in 1975, making it 51 years old. The building has 1 story.

What schools serve 4 Unknown St, Girdwood, AK?

4 Unknown St, Girdwood, AK is assigned to Girdwood PreK-8 (elementary), rated B; South High School (high), rated A+. All sit in Anchorage School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Unknown St, Girdwood, AK compare to other homes in Girdwood?

Among the 1,518 homes in Girdwood, it is worth more than 11% of them ($480,864 against a typical $716,293), its price per square foot is higher than almost all of them ($2004 against a typical $611), it is bigger than almost none of them (240 ft² against a typical 1,276 ft²), its lot is bigger than 2% of them (0.14 ac against a typical 0.3 ac) and it is newer than 27% of them (1975 against a typical 1983). Measured against all of Anchorage Municipality County, it is worth more than 63% 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 4 Unknown St, Girdwood, AK?

The 2025 property tax bill for 4 Unknown St, Girdwood, AK was $613. The county assessed it at $99,200.

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Assigned schools

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