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Single Family ResidenceResidential
$145,139$122 / 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 Jul 14, 2026

18 THOMAS ST

RENSSELAER, NY 12144
2
Beds
1
Baths
1,188 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1879
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$145K
$137K low$153K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,836 (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.$17,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$13,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$102,976

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyRENSSELAER
Lot (acres)The size of the land the home sits on, from county records.0.13
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Van Rensselaer Elementary SchoolD+
Elementary · Grades PK–5 · 1.4 mi
M
Rensselaer Junior/Senior High SchoolC+
Middle · Grades 6–12 · 1.4 mi

District: Rensselaer City School District

Neighborhood · ZIP 12144These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.57

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.20,884
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,154 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,823
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,873
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

18 Thomas 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 96% of homes in Rensselaer County
  • Costs less per square foot than 92% of homes in Rensselaer 12144
  • Smaller than 80% of homes in Rensselaer County
  • Has a smaller lot than 82% of homes in Rensselaer County
  • Older than 92% of homes in Rensselaer County

What homes are worth in Rensselaer 12144

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

This home
$127K$741K

This home is worth more than 5% of homes in Rensselaer 12144.

How it measures up in Rensselaer 12144

The dot is this home. The mark in the middle is the typical home in Rensselaer 12144.

Estimated value$145,139
CheaperTypical $292,781Pricier

Pricier than 5% of homes nearby

Price per ft²$122
CheaperTypical $214Pricier

Pricier than 8% of homes nearby

Living area1,188 ft²
SmallerTypical 1,534 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.13 ac
SmallerTypical 0.19 acBigger

Bigger than 28% of homes nearby

Year built1879
OlderTypical 1955Newer

Newer than 10% of homes nearby

How 18 Thomas St ranks against every home in each area.
MeasureThis homeRensselaer 12144Rensselaer County
Estimated valuepricier than$145,1395% of homes4% of homes
Price per ft²pricier than$1228% of homes8% of homes
Living areabigger than1,188 ft²25% of homes20% of homes
Lot sizebigger than0.13 ac28% of homes18% of homes
Year builtnewer than187910% of homes8% of homes

About 18 Thomas St

How much is 18 Thomas St, Rensselaer, NY worth?

The TopHap Estimate for 18 Thomas St, Rensselaer, NY is $145,139 as of Jul 14, 2026. The likely range is $137,036 to $153,242. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Thomas St, Rensselaer, NY last sell?

18 Thomas St, Rensselaer, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 18 Thomas St, Rensselaer, NY?

18 Thomas St, Rensselaer, NY has 2 bedrooms, 1 bathrooms, 1,188 square feet of living space and a 0.13-acre lot.

When was 18 Thomas St, Rensselaer, NY built?

18 Thomas St, Rensselaer, NY was built in 1879, making it 147 years old. It is a traditional/old home. The building has 1 story.

What schools serve 18 Thomas St, Rensselaer, NY?

18 Thomas St, Rensselaer, NY is assigned to Van Rensselaer Elementary School (elementary), rated D+; Rensselaer Junior/Senior High School (middle), rated C+. All sit in Rensselaer City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Thomas St, Rensselaer, NY compare to other homes in Rensselaer 12144?

Among the 6,575 homes in Rensselaer 12144, it is worth more than 5% of them ($145,139 against a typical $292,781), its price per square foot is higher than 8% of them ($122 against a typical $214), it is bigger than 25% of them (1,188 ft² against a typical 1,534 ft²), its lot is bigger than 28% of them (0.13 ac against a typical 0.19 ac) and it is newer than 10% of them (1879 against a typical 1955). Measured against all of Rensselaer County, it is worth more than 4% 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 18 Thomas St, Rensselaer, NY?

The 2025 property tax bill for 18 Thomas St, Rensselaer, NY was $2,836. The county assessed it at $17,300.

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