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Single Family ResidenceResidential
$462,862$338 / 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 94How 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
Last sold for $247,000 on Dec 1, 2014

817 45TH ST

LOS ALAMOS, NM 87544
2
Beds
1
Baths
1,370 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$463K
$437K low$489K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$247,000 · Dec 1, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,109 (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.$93,560 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$35,480
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$58,080
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$90,830
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$280,660

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLOS ALAMOS
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.2002
Lot (acres)The size of the land the home sits on, from county records.0.30
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.None
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.Carport (Unspecified)
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 · 140 ft²Porch · 42 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.

H
Los Alamos High SchoolA+
High · Grades 10–12 · 0.5 mi
E
Mountain Elementary SchoolA+
Elementary · Grades KG–6 · 0.9 mi
M
Los Alamos Middle SchoolA+
Middle · Grades 7–8 · 1.8 mi

District: Los Alamos Public Schools

Neighborhood · ZIP 87544These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.116

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.16,205
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.54 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$134,232
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$159,555
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.76%

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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

817 45th 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 82% of homes in Los Alamos County
  • Costs more per square foot than 74% of homes in Los Alamos County
  • Smaller than 80% of homes in Los Alamos County
  • Has a bigger lot than 68% of homes in Los Alamos 87544
  • Older than 96% of homes in Los Alamos County

What homes are worth in Los Alamos 87544

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

This home
$306K$1.2M

This home is worth more than 20% of homes in Los Alamos 87544.

How it measures up in Los Alamos 87544

The dot is this home. The mark in the middle is the typical home in Los Alamos 87544.

Estimated value$462,862
CheaperTypical $641,332Pricier

Pricier than 20% of homes nearby

Price per ft²$338
CheaperTypical $305Pricier

Pricier than 73% of homes nearby

Living area1,370 ft²
SmallerTypical 2,032 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.3 ac
SmallerTypical 0.22 acBigger

Bigger than 68% of homes nearby

Year built1947
OlderTypical 1968Newer

Newer than 7% of homes nearby

How 817 45th St ranks against every home in each area.
MeasureThis homeLos Alamos 87544Los Alamos County
Estimated valuepricier than$462,86220% of homes18% of homes
Price per ft²pricier than$33873% of homes74% of homes
Living areabigger than1,370 ft²24% of homes20% of homes
Lot sizebigger than0.3 ac68% of homes68% of homes
Year builtnewer than19477% of homes4% of homes

About 817 45th St

How much is 817 45th St, Los Alamos, NM worth?

The TopHap Estimate for 817 45th St, Los Alamos, NM is $462,862 as of Sep 24, 2026. The likely range is $437,205 to $488,520. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 817 45th St, Los Alamos, NM last sell?

817 45th St, Los Alamos, NM last sold on Dec 1, 2014 for $247,000, according to the county's recorded deed.

How big is 817 45th St, Los Alamos, NM?

817 45th St, Los Alamos, NM has 2 bedrooms, 1 bathrooms, 1,370 square feet of living space and a 0.30-acre lot.

When was 817 45th St, Los Alamos, NM built?

817 45th St, Los Alamos, NM was built in 1947, making it 79 years old. The building has 1 story.

What schools serve 817 45th St, Los Alamos, NM?

817 45th St, Los Alamos, NM is assigned to Los Alamos High School (high), rated A+; Mountain Elementary School (elementary), rated A+; Los Alamos Middle School (middle), rated A+. All sit in Los Alamos Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 817 45th St, Los Alamos, NM compare to other homes in Los Alamos 87544?

Among the 4,477 homes in Los Alamos 87544, it is worth more than 20% of them ($462,862 against a typical $641,332), its price per square foot is higher than 73% of them ($338 against a typical $305), it is bigger than 24% of them (1,370 ft² against a typical 2,032 ft²), its lot is bigger than 68% of them (0.3 ac against a typical 0.22 ac) and it is newer than 7% of them (1947 against a typical 1968). Measured against all of Los Alamos County, it is worth more than 18% 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 817 45th St, Los Alamos, NM?

The 2026 property tax bill for 817 45th St, Los Alamos, NM was $2,109. The county assessed it at $93,560.

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