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Single Family ResidenceResidential
$525,903$261 / 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

900 KELTON ST

GARDNER, MA 01440
4
Beds
2.5
Baths
2,016 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.
4.04 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$526K
$488K low$564K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$64 (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.$443,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$78,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$365,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$622,820

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.8 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.area not mapped

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
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.4.04
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(11)

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.

M
Gardner Middle SchoolD
Middle · Grades 5–7 · 2.5 mi
E
Gardner Elementary SchoolD-
Elementary · Grades PK–4 · 2.7 mi
H
Gardner High SchoolD+
High · Grades 8–12 · 2.7 mi

District: Gardner School District

Neighborhood · ZIP 01440These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.21,657
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.854 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,433
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,787
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

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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

900 Kelton 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 more than 91% of homes in Gardner 01440
  • Costs less per square foot than 75% of homes in Worcester County
  • Bigger than 77% of homes in Gardner 01440
  • Has a bigger lot than 97% of homes in Gardner 01440
  • Newer than 94% of homes in Gardner 01440

What homes are worth in Gardner 01440

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

This home
$156K$628K

This home is worth more than 91% of homes in Gardner 01440.

How it measures up in Gardner 01440

The dot is this home. The mark in the middle is the typical home in Gardner 01440.

Estimated value$525,903
CheaperTypical $372,135Pricier

Pricier than 91% of homes nearby

Price per ft²$261
CheaperTypical $267Pricier

Pricier than 45% of homes nearby

Living area2,016 ft²
SmallerTypical 1,493 ft²Bigger

Bigger than 77% of homes nearby

Lot size4.04 ac
SmallerTypical 0.29 acBigger

Bigger than 97% of homes nearby

Year built2003
OlderTypical 1949Newer

Newer than 94% of homes nearby

How 900 Kelton St ranks against every home in each area.
MeasureThis homeGardner 01440Worcester County
Estimated valuepricier than$525,90391% of homes59% of homes
Price per ft²pricier than$26145% of homes25% of homes
Living areabigger than2,016 ft²77% of homes65% of homes
Lot sizebigger than4.04 ac97% of homes91% of homes
Year builtnewer than200394% of homes88% of homes

About 900 Kelton St

How much is 900 Kelton St, Gardner, MA worth?

The TopHap Estimate for 900 Kelton St, Gardner, MA is $525,903 as of Sep 24, 2026. The likely range is $487,745 to $564,061. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 900 Kelton St, Gardner, MA last sell?

900 Kelton St, Gardner, MA last sold on Aug 15, 2003, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 900 Kelton St, Gardner, MA?

900 Kelton St, Gardner, MA has 4 bedrooms, 2.5 bathrooms, 2,016 square feet of living space and a 4.04-acre lot.

When was 900 Kelton St, Gardner, MA built?

900 Kelton St, Gardner, MA was built in 2003, making it 23 years old. It is a colonial home. The building has 2 stories.

What schools serve 900 Kelton St, Gardner, MA?

900 Kelton St, Gardner, MA is assigned to Gardner Middle School (middle), rated D; Gardner Elementary School (elementary), rated D-; Gardner High School (high), rated D+. All sit in Gardner School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 900 Kelton St, Gardner, MA compare to other homes in Gardner 01440?

Among the 5,707 homes in Gardner 01440, it is worth more than 91% of them ($525,903 against a typical $372,135), its price per square foot is higher than 45% of them ($261 against a typical $267), it is bigger than 77% of them (2,016 ft² against a typical 1,493 ft²), its lot is bigger than 97% of them (4.04 ac against a typical 0.29 ac) and it is newer than 94% of them (2003 against a typical 1949). Measured against all of Worcester County, it is worth more than 59% 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 900 Kelton St, Gardner, MA?

The 2025 property tax bill for 900 Kelton St, Gardner, MA was $64. The county assessed it at $443,900.

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