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CondominiumResidential
$431,699$370 / 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 95How 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 $286,900 on Oct 31, 2005

159 WELLMAN AVE

NORTH CHELMSFORD, MA 01863
2
Beds
1.5
Baths
1,168 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.
61.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
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

$432K
$409K low$455K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$286,900 · Oct 31, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,846 (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.$420,600 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$420,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$445,835

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.175 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Condominium
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.61.58
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
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.

E
Charles D HarringtonB-
Elementary · Grades KG–4 · 1.7 mi
H
Chelmsford High SchoolA
High · Grades 9–12 · 1.8 mi
M
Col Moses Parker SchoolB
Middle · Grades 5–6 · 1.9 mi

District: Chelmsford School District

Neighborhood · ZIP 01863These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
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.9,286
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,948 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,908
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,787
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

159 Wellman 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 less than 91% of homes in Middlesex County
  • Costs less per square foot than 75% of homes in Middlesex County
  • Smaller than 82% of homes in Middlesex County
  • Among the largest lots in North Chelmsford 01863
  • Newer than 77% of homes in Middlesex County

What homes are worth in North Chelmsford 01863

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

This home
$247K$939K

This home is worth more than 24% of homes in North Chelmsford 01863.

How it measures up in North Chelmsford 01863

The dot is this home. The mark in the middle is the typical home in North Chelmsford 01863.

Estimated value$431,699
CheaperTypical $547,157Pricier

Pricier than 24% of homes nearby

Price per ft²$370
CheaperTypical $387Pricier

Pricier than 34% of homes nearby

Living area1,168 ft²
SmallerTypical 1,296 ft²Bigger

Bigger than 39% of homes nearby

Lot size61.58 ac
SmallerTypical 0.96 acBigger

Bigger than almost all homes nearby

Year built1985
OlderTypical 1971Newer

Newer than 72% of homes nearby

How 159 Wellman Ave ranks against every home in each area.
MeasureThis homeNorth Chelmsford 01863Middlesex County
Estimated valuepricier than$431,69924% of homes9% of homes
Price per ft²pricier than$37034% of homes25% of homes
Living areabigger than1,168 ft²39% of homes18% of homes
Lot sizebigger than61.58 acalmost all homesalmost all homes
Year builtnewer than198572% of homes77% of homes

About 159 Wellman Ave

How much is 159 Wellman Ave, North Chelmsford, MA worth?

The TopHap Estimate for 159 Wellman Ave, North Chelmsford, MA is $431,699 as of Sep 24, 2026. The likely range is $408,749 to $454,649. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 159 Wellman Ave, North Chelmsford, MA last sell?

159 Wellman Ave, North Chelmsford, MA last sold on Oct 31, 2005 for $286,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 159 Wellman Ave, North Chelmsford, MA?

159 Wellman Ave, North Chelmsford, MA has 2 bedrooms, 1.5 bathrooms, 1,168 square feet of living space and a 61.58-acre lot.

When was 159 Wellman Ave, North Chelmsford, MA built?

159 Wellman Ave, North Chelmsford, MA was built in 1985, making it 41 years old. The building has 2 stories.

What schools serve 159 Wellman Ave, North Chelmsford, MA?

159 Wellman Ave, North Chelmsford, MA is assigned to Charles D Harrington (elementary), rated B-; Chelmsford High School (high), rated A; Col Moses Parker School (middle), rated B. All sit in Chelmsford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 159 Wellman Ave, North Chelmsford, MA compare to other homes in North Chelmsford 01863?

Among the 3,290 homes in North Chelmsford 01863, it is worth more than 24% of them ($431,699 against a typical $547,157), its price per square foot is higher than 34% of them ($370 against a typical $387), it is bigger than 39% of them (1,168 ft² against a typical 1,296 ft²), its lot is bigger than almost all of them (61.58 ac against a typical 0.96 ac) and it is newer than 72% of them (1985 against a typical 1971). Measured against all of Middlesex County, it is worth more than 9% 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 159 Wellman Ave, North Chelmsford, MA?

The 2025 property tax bill for 159 Wellman Ave, North Chelmsford, MA was $5,846. The county assessed it at $420,600.

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