Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$300,611$154 / 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 Sep 24, 2026
Last sold for $50,000 on May 1, 2009

644 MAIN ST

ASHBY, MA 01431
2
Beds
1.5
Baths
1,954 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1860
Year BuiltThe year the home was originally built, according to county records.
2
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.

Valuation

$301K
$282K low$320K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$50,000 · May 1, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,299 (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.$272,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$62,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$210,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$311,016

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
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.1926
Lot (acres)The size of the land the home sits on, from county records.0.45
ConstructionThe main material the home's frame and walls are built from.Stone
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Ashby Elementary SchoolB-
Elementary · Grades KG–4 · 0.6 mi
M
Hawthorne Brook Middle SchoolC
Middle · Grades 5–8 · 5.7 mi
H
North Middlesex Regional High SchoolB
High · Grades 9–12 · 7.9 mi

District: North Middlesex School District

Neighborhood · ZIP 01431These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.3,266
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.136 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,151
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,531
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

Do you own this home?
Claim this home

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

644 Main 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 97% of homes in Middlesex County
  • Among the lowest price per square foot in Middlesex County
  • Has a smaller lot than 94% of homes in Ashby 01431
  • Older than 98% of homes in Middlesex County

What homes are worth in Ashby 01431

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

This home
$201K$832K

This home is worth more than 9% of homes in Ashby 01431.

How it measures up in Ashby 01431

The dot is this home. The mark in the middle is the typical home in Ashby 01431.

Estimated value$300,611
CheaperTypical $459,508Pricier

Pricier than 9% of homes nearby

Price per ft²$154
CheaperTypical $264Pricier

Pricier than 3% of homes nearby

Living area1,954 ft²
SmallerTypical 1,751 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.45 ac
SmallerTypical 2.1 acBigger

Bigger than 6% of homes nearby

Year built1860
OlderTypical 1974Newer

Newer than 6% of homes nearby

How 644 Main St ranks against every home in each area.
MeasureThis homeAshby 01431Middlesex County
Estimated valuepricier than$300,6119% of homes3% of homes
Price per ft²pricier than$1543% of homesalmost no homes
Living areabigger than1,954 ft²62% of homes55% of homes
Lot sizebigger than0.45 ac6% of homes59% of homes
Year builtnewer than18606% of homes2% of homes

About 644 Main St

How much is 644 Main St, Ashby, MA worth?

The TopHap Estimate for 644 Main St, Ashby, MA is $300,611 as of Sep 24, 2026. The likely range is $281,633 to $319,589. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 644 Main St, Ashby, MA last sell?

644 Main St, Ashby, MA last sold on May 1, 2009 for $50,000, according to the county's recorded deed.

How big is 644 Main St, Ashby, MA?

644 Main St, Ashby, MA has 2 bedrooms, 1.5 bathrooms, 1,954 square feet of living space and a 0.45-acre lot.

When was 644 Main St, Ashby, MA built?

644 Main St, Ashby, MA was built in 1860, making it 166 years old. It is a colonial home. The building has 2 stories.

What schools serve 644 Main St, Ashby, MA?

644 Main St, Ashby, MA is assigned to Ashby Elementary School (elementary), rated B-; Hawthorne Brook Middle School (middle), rated C; North Middlesex Regional High School (high), rated B. All sit in North Middlesex School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 644 Main St, Ashby, MA compare to other homes in Ashby 01431?

Among the 1,215 homes in Ashby 01431, it is worth more than 9% of them ($300,611 against a typical $459,508), its price per square foot is higher than 3% of them ($154 against a typical $264), it is bigger than 62% of them (1,954 ft² against a typical 1,751 ft²), its lot is bigger than 6% of them (0.45 ac against a typical 2.1 ac) and it is newer than 6% of them (1860 against a typical 1974). Measured against all of Middlesex County, it is worth more than 3% 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 644 Main St, Ashby, MA?

The 2026 property tax bill for 644 Main St, Ashby, MA was $4,299. The county assessed it at $272,800.

More homes on Main St

Closest homes

More homes in Ashby 01431

Assigned schools

Explore the area

See this home in context

Open 644 Main St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map