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Single Family ResidenceResidential
$639,467$339 / 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 90How 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 $213,800 on Dec 30, 2010

646 ALTO ST

SANTA FE, NM 87501
3
Beds
2
Baths
1,886 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.
3,049 ft²
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$639K
$578K low$701K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$213,800 · Dec 30, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,324 (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.$306,159 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$107,828
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$198,331
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$297,243
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$499,090

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.33 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.Single Family Residence
CountySANTA FE
Lot (acres)The size of the land the home sits on, from county records.0.07
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Aspen Community SchoolD-
Elementary · Grades PK–8 · 0.7 mi
H
Santa Fe High School
High · Grades 9–12 · 5.3 mi

District: Santa Fe Public Schools

Neighborhood · ZIP 87501These 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.145
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 100.91

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.14,782
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.336 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,236
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,249
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.22 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

646 Alto 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.

  • Costs less per square foot than 96% of homes in Downtown Santa Fe
  • Bigger than 86% of homes in Downtown Santa Fe
  • Has a smaller lot than 97% of homes in Santa Fe County
  • Newer than 82% of homes in Downtown Santa Fe

What homes are worth in Santa Fe 87501

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

This home
$242K$3M

This home is worth more than 36% of homes in Santa Fe 87501.

How it measures up in Santa Fe 87501

The dot is this home. The mark in the middle is the typical home in Santa Fe 87501.

Estimated value$639,467
CheaperTypical $780,582Pricier

Pricier than 36% of homes nearby

Price per ft²$339
CheaperTypical $476Pricier

Pricier than 9% of homes nearby

Living area1,886 ft²
SmallerTypical 1,600 ft²Bigger

Bigger than 62% of homes nearby

Lot size3,049 ft²
SmallerTypical 0.25 acBigger

Bigger than 11% of homes nearby

Year built1990
OlderTypical 1974Newer

Newer than 79% of homes nearby

How 646 Alto St ranks against every home in each area.
MeasureThis homeDowntown Santa FeSanta Fe 87501Santa Fe County
Estimated valuepricier than$639,46752% of homes36% of homes61% of homes
Price per ft²pricier than$3394% of homes9% of homes50% of homes
Living areabigger than1,886 ft²86% of homes62% of homes64% of homes
Lot sizebigger than3,049 ft²27% of homes11% of homes3% of homes
Year builtnewer than199082% of homes79% of homes55% of homes

About 646 Alto St

How much is 646 Alto St, Santa Fe, NM worth?

The TopHap Estimate for 646 Alto St, Santa Fe, NM is $639,467 as of Oct 21, 2026. The likely range is $577,631 to $701,303. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 646 Alto St, Santa Fe, NM last sell?

646 Alto St, Santa Fe, NM last sold on Dec 30, 2010 for $213,800, according to the county's recorded deed.

How big is 646 Alto St, Santa Fe, NM?

646 Alto St, Santa Fe, NM has 3 bedrooms, 2 bathrooms, 1,886 square feet of living space and a 0.07-acre lot.

When was 646 Alto St, Santa Fe, NM built?

646 Alto St, Santa Fe, NM was built in 1990, making it 36 years old. The building has 1 story.

What schools serve 646 Alto St, Santa Fe, NM?

646 Alto St, Santa Fe, NM is assigned to Aspen Community School (elementary), rated D-; Santa Fe High School (high). All sit in Santa Fe Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 646 Alto St, Santa Fe, NM compare to other homes in Santa Fe 87501?

Among the 8,809 homes in Santa Fe 87501, it is worth more than 36% of them ($639,467 against a typical $780,582), its price per square foot is higher than 9% of them ($339 against a typical $476), it is bigger than 62% of them (1,886 ft² against a typical 1,600 ft²), its lot is bigger than 11% of them (3,049 ft² against a typical 0.25 ac) and it is newer than 79% of them (1990 against a typical 1974). Measured against all of Santa Fe County, it is worth more than 61% 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 646 Alto St, Santa Fe, NM?

The 2025 property tax bill for 646 Alto St, Santa Fe, NM was $2,324. The county assessed it at $306,159.

More homes on Alto St

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