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Single Family ResidenceResidential
$905,261$358 / 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 98How 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 $520,000 on Jan 29, 2016

91 KELBER DR

MARLBOROUGH, MA 01752
4
Beds
4.5
Baths
2,529 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.
0.65 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
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

$905K
$886K low$925K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$520,000 · Jan 29, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,530 (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.$865,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$219,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$645,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$793,915

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
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.65
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
1LT Charles W. Whitcomb SchoolD
Middle · Grades 6–8 · 0.2 mi
E
Goodnow Brothers Elementary SchoolD+
Elementary · Grades KG–5 · 0.4 mi
H
Marlborough High SchoolD+
High · Grades 9–12 · 0.6 mi

District: Marlborough School District

Neighborhood · ZIP 01752These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
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.42,223
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,953 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,959
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,206
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

91 Kelber Dr 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 94% of homes in Marlborough 01752
  • Costs less per square foot than 78% of homes in Middlesex County
  • Bigger than 83% of homes in Marlborough 01752
  • Has a bigger lot than 70% of homes in Middlesex County
  • Newer than 93% of homes in Marlborough 01752

What homes are worth in Marlborough 01752

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

This home
$195K$1M

This home is worth more than 94% of homes in Marlborough 01752.

How it measures up in Marlborough 01752

The dot is this home. The mark in the middle is the typical home in Marlborough 01752.

Estimated value$905,261
CheaperTypical $526,379Pricier

Pricier than 94% of homes nearby

Price per ft²$358
CheaperTypical $336Pricier

Pricier than 63% of homes nearby

Living area2,529 ft²
SmallerTypical 1,591 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.65 ac
SmallerTypical 0.46 acBigger

Bigger than 64% of homes nearby

Year built2000
OlderTypical 1968Newer

Newer than 93% of homes nearby

How 91 Kelber Dr ranks against every home in each area.
MeasureThis homeMarlborough 01752Middlesex County
Estimated valuepricier than$905,26194% of homes63% of homes
Price per ft²pricier than$35863% of homes22% of homes
Living areabigger than2,529 ft²83% of homes75% of homes
Lot sizebigger than0.65 ac64% of homes70% of homes
Year builtnewer than200093% of homes89% of homes

About 91 Kelber Dr

How much is 91 Kelber Dr, Marlborough, MA worth?

The TopHap Estimate for 91 Kelber Dr, Marlborough, MA is $905,261 as of Sep 24, 2026. The likely range is $885,944 to $924,578. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 91 Kelber Dr, Marlborough, MA last sell?

91 Kelber Dr, Marlborough, MA last sold on Jan 29, 2016 for $520,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 91 Kelber Dr, Marlborough, MA?

91 Kelber Dr, Marlborough, MA has 4 bedrooms, 4.5 bathrooms, 2,529 square feet of living space and a 0.65-acre lot.

When was 91 Kelber Dr, Marlborough, MA built?

91 Kelber Dr, Marlborough, MA was built in 2000, making it 26 years old. It is a colonial home. The building has 2 stories.

What schools serve 91 Kelber Dr, Marlborough, MA?

91 Kelber Dr, Marlborough, MA is assigned to 1LT Charles W. Whitcomb School (middle), rated D; Goodnow Brothers Elementary School (elementary), rated D+; Marlborough High School (high), rated D+. All sit in Marlborough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 91 Kelber Dr, Marlborough, MA compare to other homes in Marlborough 01752?

Among the 10,751 homes in Marlborough 01752, it is worth more than 94% of them ($905,261 against a typical $526,379), its price per square foot is higher than 63% of them ($358 against a typical $336), it is bigger than 83% of them (2,529 ft² against a typical 1,591 ft²), its lot is bigger than 64% of them (0.65 ac against a typical 0.46 ac) and it is newer than 93% of them (2000 against a typical 1968). Measured against all of Middlesex County, it is worth more than 63% 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 91 Kelber Dr, Marlborough, MA?

The 2025 property tax bill for 91 Kelber Dr, Marlborough, MA was $8,530. The county assessed it at $865,100.

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