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Single Family ResidenceResidential
$677,851$436 / 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 Aug 30, 2026
Last sold for $33,800 on Nov 19, 1971

4 HAROLD AVE

WILMINGTON, MA 01887
3
Beds
2
Baths
1,553 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.
1.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
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

$678K
$639K low$716K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$33,800 · Nov 19, 1971

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,451 (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.$825,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$389,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$435,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$727,415

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.1 percent flood zone

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.Raised Ranch
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.1.40
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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(6)

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
Shawsheen Elementary SchoolB-
Elementary · Grades 1–3 · 0.6 mi
M
Wilmington Middle SchoolB
Middle · Grades 6–8 · 1.7 mi
H
Wilmington High SchoolB
High · Grades 9–12 · 2.6 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

4 Harold 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.

  • Has a bigger lot than 93% of homes in Wilmington 01887
  • Newer than 65% of homes in Middlesex County

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
$428K$1.3M

This home is worth more than 40% 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$677,851
CheaperTypical $718,856Pricier

Pricier than 40% of homes nearby

Price per ft²$436
CheaperTypical $434Pricier

Pricier than 51% of homes nearby

Living area1,553 ft²
SmallerTypical 1,640 ft²Bigger

Bigger than 44% of homes nearby

Lot size1.4 ac
SmallerTypical 0.48 acBigger

Bigger than 93% of homes nearby

Year built1971
OlderTypical 1971Newer

Newer than 50% of homes nearby

How 4 Harold Ave ranks against every home in each area.
MeasureThis homeWilmington 01887Middlesex County
Estimated valuepricier than$677,85140% of homes37% of homes
Price per ft²pricier than$43651% of homes43% of homes
Living areabigger than1,553 ft²44% of homes37% of homes
Lot sizebigger than1.4 ac93% of homes85% of homes
Year builtnewer than197150% of homes65% of homes

About 4 Harold Ave

How much is 4 Harold Ave, Wilmington, MA worth?

The TopHap Estimate for 4 Harold Ave, Wilmington, MA is $677,851 as of Aug 30, 2026. The likely range is $639,484 to $716,218. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Harold Ave, Wilmington, MA last sell?

4 Harold Ave, Wilmington, MA last sold on Nov 19, 1971 for $33,800, according to the county's recorded deed.

How big is 4 Harold Ave, Wilmington, MA?

4 Harold Ave, Wilmington, MA has 3 bedrooms, 2 bathrooms, 1,553 square feet of living space and a 1.40-acre lot.

When was 4 Harold Ave, Wilmington, MA built?

4 Harold Ave, Wilmington, MA was built in 1971, making it 55 years old. It is a raised ranch home. The building has 1 story.

What schools serve 4 Harold Ave, Wilmington, MA?

4 Harold Ave, Wilmington, MA is assigned to Shawsheen Elementary School (elementary), rated B-; Wilmington Middle School (middle), 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 4 Harold Ave, Wilmington, MA compare to other homes in Wilmington 01887?

Among the 7,448 homes in Wilmington 01887, it is worth more than 40% of them ($677,851 against a typical $718,856), its price per square foot is higher than 51% of them ($436 against a typical $434), it is bigger than 44% of them (1,553 ft² against a typical 1,640 ft²), its lot is bigger than 93% of them (1.4 ac against a typical 0.48 ac) and it is newer than 50% of them (1971 against a typical 1971). Measured against all of Middlesex County, it is worth more than 37% 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 4 Harold Ave, Wilmington, MA?

The 2025 property tax bill for 4 Harold Ave, Wilmington, MA was $9,451. The county assessed it at $825,400.

More homes on Harold Ave

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Assigned schools

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