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Single Family ResidenceResidential
$611,725$478 / 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 $610,000 on Aug 24, 2026

18 PRINCESS AVE

NORTH CHELMSFORD, MA 01863
3
Beds
2.5
Baths
1,281 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$612K
$573K low$650K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$610,000 · Aug 24, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,234 (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.$620,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$342,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$277,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$562,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$546,060

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.15 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.minimal

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.Split Level
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.46
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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(8)

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
Col Moses Parker SchoolA-
Middle · Grades 5–6 · 0.2 mi
E
Charles D HarringtonB
Elementary · Grades KG–4 · 0.4 mi
H
Chelmsford High SchoolA-
High · Grades 9–12 · 0.6 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

18 Princess 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 73% of homes in Middlesex County
  • Costs more per square foot than 85% of homes in North Chelmsford 01863
  • Smaller than 76% of homes in Middlesex County
  • Has a smaller lot than 68% of homes in North Chelmsford 01863
  • Older than 66% of homes in North Chelmsford 01863

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
$245K$934K

This home is worth more than 65% 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$611,725
CheaperTypical $540,301Pricier

Pricier than 65% of homes nearby

Price per ft²$478
CheaperTypical $388Pricier

Pricier than 85% of homes nearby

Living area1,281 ft²
SmallerTypical 1,281 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.46 ac
SmallerTypical 0.97 acBigger

Bigger than 32% of homes nearby

Year built1960
OlderTypical 1972Newer

Newer than 34% of homes nearby

How 18 Princess Ave ranks against every home in each area.
MeasureThis homeNorth Chelmsford 01863Middlesex County
Estimated valuepricier than$611,72565% of homes27% of homes
Price per ft²pricier than$47885% of homes55% of homes
Living areabigger than1,281 ft²50% of homes24% of homes
Lot sizebigger than0.46 ac32% of homes61% of homes
Year builtnewer than196034% of homes54% of homes

About 18 Princess Ave

How much is 18 Princess Ave, North Chelmsford, MA worth?

The TopHap Estimate for 18 Princess Ave, North Chelmsford, MA is $611,725 as of Sep 24, 2026. The likely range is $573,009 to $650,441. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Princess Ave, North Chelmsford, MA last sell?

18 Princess Ave, North Chelmsford, MA last sold on Aug 24, 2026 for $610,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18 Princess Ave, North Chelmsford, MA?

18 Princess Ave, North Chelmsford, MA has 3 bedrooms, 2.5 bathrooms, 1,281 square feet of living space and a 0.46-acre lot.

When was 18 Princess Ave, North Chelmsford, MA built?

18 Princess Ave, North Chelmsford, MA was built in 1960, making it 66 years old. It is a split level home. The building has 1 story.

What schools serve 18 Princess Ave, North Chelmsford, MA?

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

How does 18 Princess Ave, North Chelmsford, MA compare to other homes in North Chelmsford 01863?

Among the 3,347 homes in North Chelmsford 01863, it is worth more than 65% of them ($611,725 against a typical $540,301), its price per square foot is higher than 85% of them ($478 against a typical $388), it is bigger than 50% of them (1,281 ft² against a typical 1,281 ft²), its lot is bigger than 32% of them (0.46 ac against a typical 0.97 ac) and it is newer than 34% of them (1960 against a typical 1972). Measured against all of Middlesex County, it is worth more than 27% 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 18 Princess Ave, North Chelmsford, MA?

The 2026 property tax bill for 18 Princess Ave, North Chelmsford, MA was $8,234. The county assessed it at $620,500.

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Assigned schools

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