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Single Family ResidenceResidential
$727,607$318 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $385,000 on Sep 14, 2016

623 UNION AVE

FRAMINGHAM, MA 01702
4
Beds
2
Baths
2,285 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1892
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

$728K
$699K low$756K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$385,000 · Sep 14, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,263 (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.$608,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$271,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$336,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$556,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$640,775

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.1966
Lot (acres)The size of the land the home sits on, from county records.0.47
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(10)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

M
Fuller Middle SchoolC+
Middle · Grades 6–8 · 0.7 mi
E
Miriam F Mccarthy SchoolC
Elementary · Grades PK–5 · 0.8 mi
H
Framingham High SchoolC+
High · Grades 9–12 · 2.0 mi

District: Framingham School District

Neighborhood · ZIP 01702These 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.137
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.93%
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.1.3%
PopulationHow many people live in this area.38,671
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,396 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,325
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,091
Average tempThe average temperature here across a full year.49°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.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

623 Union Ave 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 78% of homes in Framingham 01702
  • Costs less per square foot than 88% of homes in Middlesex County
  • Bigger than 79% of homes in Framingham 01702
  • Older than 93% of homes in Framingham 01702

What homes are worth in Framingham 01702

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

This home
$145K$1.2M

This home is worth more than 78% of homes in Framingham 01702.

How it measures up in Framingham 01702

The dot is this home. The mark in the middle is the typical home in Framingham 01702.

Estimated value$727,607
CheaperTypical $557,437Pricier

Pricier than 78% of homes nearby

Price per ft²$318
CheaperTypical $376Pricier

Pricier than 16% of homes nearby

Living area2,285 ft²
SmallerTypical 1,477 ft²Bigger

Bigger than 79% of homes nearby

Lot size0.47 ac
SmallerTypical 0.29 acBigger

Bigger than 62% of homes nearby

Year built1892
OlderTypical 1957Newer

Newer than 7% of homes nearby

How 623 Union Ave ranks against every home in each area.
MeasureThis homeFramingham 01702Middlesex County
Estimated valuepricier than$727,60778% of homes43% of homes
Price per ft²pricier than$31816% of homes12% of homes
Living areabigger than2,285 ft²79% of homes67% of homes
Lot sizebigger than0.47 ac62% of homes63% of homes
Year builtnewer than18927% of homes7% of homes

About 623 Union Ave

How much is 623 Union Ave, Framingham, MA worth?

The TopHap Estimate for 623 Union Ave, Framingham, MA is $727,607 as of Aug 30, 2026. The likely range is $699,236 to $755,978. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 623 Union Ave, Framingham, MA last sell?

623 Union Ave, Framingham, MA last sold on Sep 14, 2016 for $385,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 623 Union Ave, Framingham, MA?

623 Union Ave, Framingham, MA has 4 bedrooms, 2 bathrooms, 2,285 square feet of living space and a 0.47-acre lot.

When was 623 Union Ave, Framingham, MA built?

623 Union Ave, Framingham, MA was built in 1892, making it 134 years old. It is a colonial home. The building has 2 stories.

What schools serve 623 Union Ave, Framingham, MA?

623 Union Ave, Framingham, MA is assigned to Fuller Middle School (middle), rated C+; Miriam F Mccarthy School (elementary), rated C; Framingham High School (high), rated C+. All sit in Framingham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 623 Union Ave, Framingham, MA compare to other homes in Framingham 01702?

Among the 7,370 homes in Framingham 01702, it is worth more than 78% of them ($727,607 against a typical $557,437), its price per square foot is higher than 16% of them ($318 against a typical $376), it is bigger than 79% of them (2,285 ft² against a typical 1,477 ft²), its lot is bigger than 62% of them (0.47 ac against a typical 0.29 ac) and it is newer than 7% of them (1892 against a typical 1957). Measured against all of Middlesex County, it is worth more than 43% 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 623 Union Ave, Framingham, MA?

The 2025 property tax bill for 623 Union Ave, Framingham, MA was $7,263. The county assessed it at $608,300.

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