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Single Family ResidenceResidential
$550,794$425 / 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 92How 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 $415,000 on Sep 28, 2018

23 CONGRESS ST

WILMINGTON, MA 01887
3
Beds
1
Baths
1,296 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1924
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$551K
$509K low$592K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$415,000 · Sep 28, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,926 (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.$519,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$295,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$223,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$502,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$610,486

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.Bungalow
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.28
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(5)

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
Wilmington Middle SchoolB
Middle · Grades 6–8 · 0.8 mi
E
Shawsheen Elementary SchoolB
Elementary · Grades 1–3 · 1.3 mi
H
Wilmington High SchoolB+
High · Grades 9–12 · 2.1 mi

District: Wilmington School District

Neighborhood · ZIP 01887These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.86

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.6%
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.23,780
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,404 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$153,014
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$161,128
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

23 Congress 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 88% of homes in Wilmington 01887
  • Smaller than 75% of homes in Middlesex County
  • Has a smaller lot than 73% of homes in Wilmington 01887
  • Older than 95% of homes in Wilmington 01887

What homes are worth in Wilmington 01887

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

This home
$436K$1.3M

This home is worth more than 12% of homes in Wilmington 01887.

How it measures up in Wilmington 01887

The dot is this home. The mark in the middle is the typical home in Wilmington 01887.

Estimated value$550,794
CheaperTypical $720,001Pricier

Pricier than 12% of homes nearby

Price per ft²$425
CheaperTypical $437Pricier

Pricier than 44% of homes nearby

Living area1,296 ft²
SmallerTypical 1,639 ft²Bigger

Bigger than 27% of homes nearby

Lot size0.28 ac
SmallerTypical 0.49 acBigger

Bigger than 27% of homes nearby

Year built1924
OlderTypical 1971Newer

Newer than 5% of homes nearby

How 23 Congress St ranks against every home in each area.
MeasureThis homeWilmington 01887Middlesex County
Estimated valuepricier than$550,79412% of homes20% of homes
Price per ft²pricier than$42544% of homes41% of homes
Living areabigger than1,296 ft²27% of homes25% of homes
Lot sizebigger than0.28 ac27% of homes47% of homes
Year builtnewer than19245% of homes26% of homes

About 23 Congress St

How much is 23 Congress St, Wilmington, MA worth?

The TopHap Estimate for 23 Congress St, Wilmington, MA is $550,794 as of Sep 24, 2026. The likely range is $509,129 to $592,459. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Congress St, Wilmington, MA last sell?

23 Congress St, Wilmington, MA last sold on Sep 28, 2018 for $415,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 23 Congress St, Wilmington, MA?

23 Congress St, Wilmington, MA has 3 bedrooms, 1 bathrooms, 1,296 square feet of living space and a 0.28-acre lot.

When was 23 Congress St, Wilmington, MA built?

23 Congress St, Wilmington, MA was built in 1924, making it 102 years old. It is a bungalow home. The building has 1 story.

What schools serve 23 Congress St, Wilmington, MA?

23 Congress St, Wilmington, MA is assigned to Wilmington Middle School (middle), rated B; Shawsheen Elementary School (elementary), rated B; Wilmington High School (high), rated B+. All sit in Wilmington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Congress St, Wilmington, MA compare to other homes in Wilmington 01887?

Among the 7,448 homes in Wilmington 01887, it is worth more than 12% of them ($550,794 against a typical $720,001), its price per square foot is higher than 44% of them ($425 against a typical $437), it is bigger than 27% of them (1,296 ft² against a typical 1,639 ft²), its lot is bigger than 27% of them (0.28 ac against a typical 0.49 ac) and it is newer than 5% of them (1924 against a typical 1971). Measured against all of Middlesex County, it is worth more than 20% 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 23 Congress St, Wilmington, MA?

The 2026 property tax bill for 23 Congress St, Wilmington, MA was $5,926. The county assessed it at $519,400.

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