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Single Family ResidenceResidential
$1,129,720$242 / 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 Jul 14, 2026
Last sold for $100,000 on Jun 22, 2018

20 STATE ROAD 4

WHITE ROCK, NM 87547
5
Beds
4
Baths
4,666 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.
1.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$1.1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$100,000 · Jun 22, 2018
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$1,049,720
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$839,776
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.7%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$80,000
LOS ALAMOS NATIONAL BANK · recorded Jun 22, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,710 (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.$247,760 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,330
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$202,430
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$240,550
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$743,280

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.37
71
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
76
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
14
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
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.45 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
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.2009
Lot (acres)The size of the land the home sits on, from county records.1.18
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.Refrigerator
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 · 160 ft²Porch · 789 ft²

Transaction History(3)

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
Pinon Elementary SchoolA-
Elementary · Grades PK–6 · 0.5 mi
M
Los Alamos Middle SchoolA
Middle · Grades 7–8 · 6.5 mi
H
Los Alamos High SchoolB+
High · Grades 10–12 · 6.9 mi

District: Los Alamos Public Schools

Neighborhood · ZIP 87547These 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.33
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.5,025
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.765 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$142,015
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,938
Average tempThe average temperature here across a full year.51°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

20 State Road 4 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 more than 98% of homes in White Rock 87547
  • Costs less per square foot than 95% of homes in White Rock 87547
  • Among the largest homes in White Rock 87547
  • Has a bigger lot than 94% of homes in Los Alamos County
  • Newer than 89% of homes in White Rock 87547

What homes are worth in White Rock 87547

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

This home
$393K$1.1M

This home is worth more than 98% of homes in White Rock 87547.

How it measures up in White Rock 87547

The dot is this home. The mark in the middle is the typical home in White Rock 87547.

Estimated value$1,129,720
CheaperTypical $591,327Pricier

Pricier than 98% of homes nearby

Price per ft²$242
CheaperTypical $310Pricier

Pricier than 5% of homes nearby

Living area4,666 ft²
SmallerTypical 1,967 ft²Bigger

Bigger than almost all homes nearby

Lot size1.18 ac
SmallerTypical 0.26 acBigger

Bigger than 86% of homes nearby

Year built1992
OlderTypical 1973Newer

Newer than 89% of homes nearby

How 20 State Road 4 ranks against every home in each area.
MeasureThis homeWhite Rock 87547Los Alamos County
Estimated valuepricier than$1,129,72098% of homes98% of homes
Price per ft²pricier than$2425% of homes8% of homes
Living areabigger than4,666 ft²almost all homes98% of homes
Lot sizebigger than1.18 ac86% of homes94% of homes
Year builtnewer than199289% of homes79% of homes

About 20 State Road 4

How much is 20 State Road 4, White Rock, NM worth?

The TopHap Estimate for 20 State Road 4, White Rock, NM is $1,129,720 as of Jul 14, 2026. The likely range is $1,053,167 to $1,206,273. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 State Road 4, White Rock, NM last sell?

20 State Road 4, White Rock, NM last sold on Jun 22, 2018 for $100,000, according to the county's recorded deed.

How big is 20 State Road 4, White Rock, NM?

20 State Road 4, White Rock, NM has 5 bedrooms, 4 bathrooms, 4,666 square feet of living space and a 1.18-acre lot.

When was 20 State Road 4, White Rock, NM built?

20 State Road 4, White Rock, NM was built in 1992, making it 34 years old. The building has 2 stories.

What schools serve 20 State Road 4, White Rock, NM?

20 State Road 4, White Rock, NM is assigned to Pinon Elementary School (elementary), rated A-; Los Alamos Middle School (middle), rated A; Los Alamos High School (high), rated B+. All sit in Los Alamos Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 State Road 4, White Rock, NM compare to other homes in White Rock 87547?

Among the 2,477 homes in White Rock 87547, it is worth more than 98% of them ($1,129,720 against a typical $591,327), its price per square foot is higher than 5% of them ($242 against a typical $310), it is bigger than almost all of them (4,666 ft² against a typical 1,967 ft²), its lot is bigger than 86% of them (1.18 ac against a typical 0.26 ac) and it is newer than 89% of them (1992 against a typical 1973). Measured against all of Los Alamos County, it is worth more than 98% 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 20 State Road 4, White Rock, NM?

The 2026 property tax bill for 20 State Road 4, White Rock, NM was $5,710. The county assessed it at $247,760.

Closest homes

More homes in White Rock 87547

Assigned schools

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