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Single Family ResidenceResidential
$281,721$301 / 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 91How 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 $10,000 on Oct 5, 1972

21 DERBY ST

FITCHBURG, MA 01420
2
Beds
1
Baths
936 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1898
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$282K
$256K low$308K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$10,000 · Oct 5, 1972

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,774 (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.$284,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$86,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$198,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$271,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$340,765

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.19 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.area not mapped

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.Conventional
CountyWORCESTER
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.1975
Lot (acres)The size of the land the home sits on, from county records.0.12
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Arthur M Longsjo Middle SchoolD-
Middle · Grades 6–8 · 1.7 mi
E
Mckay Elementary SchoolD-
Elementary · Grades 1–5 · 1.9 mi
H
Fitchburg High SchoolD-
High · Grades 9–12 · 3.9 mi

District: Fitchburg School District

Neighborhood · ZIP 01420These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.68

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.17%
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.43,507
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,361 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,663
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,428
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

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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

21 Derby 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 95% of homes in Fitchburg 01420
  • Smaller than 95% of homes in Fitchburg 01420
  • Has a smaller lot than 95% of homes in Worcester County
  • Older than 93% of homes in Fitchburg 01420

What homes are worth in Fitchburg 01420

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

This home
$240K$684K

This home is worth more than 5% of homes in Fitchburg 01420.

How it measures up in Fitchburg 01420

The dot is this home. The mark in the middle is the typical home in Fitchburg 01420.

Estimated value$281,721
CheaperTypical $396,176Pricier

Pricier than 5% of homes nearby

Price per ft²$301
CheaperTypical $283Pricier

Pricier than 63% of homes nearby

Living area936 ft²
SmallerTypical 1,615 ft²Bigger

Bigger than 5% of homes nearby

Lot size0.11 ac
SmallerTypical 0.24 acBigger

Bigger than 14% of homes nearby

Year built1898
OlderTypical 1945Newer

Newer than 7% of homes nearby

How 21 Derby St ranks against every home in each area.
MeasureThis homeFitchburg 01420Worcester County
Estimated valuepricier than$281,7215% of homes5% of homes
Price per ft²pricier than$30163% of homes48% of homes
Living areabigger than936 ft²5% of homes6% of homes
Lot sizebigger than0.11 ac14% of homes5% of homes
Year builtnewer than18987% of homes8% of homes

About 21 Derby St

How much is 21 Derby St, Fitchburg, MA worth?

The TopHap Estimate for 21 Derby St, Fitchburg, MA is $281,721 as of Sep 24, 2026. The likely range is $255,941 to $307,501. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Derby St, Fitchburg, MA last sell?

21 Derby St, Fitchburg, MA last sold on Oct 5, 1972 for $10,000, according to the county's recorded deed.

How big is 21 Derby St, Fitchburg, MA?

21 Derby St, Fitchburg, MA has 2 bedrooms, 1 bathrooms, 936 square feet of living space and a 0.12-acre lot.

When was 21 Derby St, Fitchburg, MA built?

21 Derby St, Fitchburg, MA was built in 1898, making it 128 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Derby St, Fitchburg, MA?

21 Derby St, Fitchburg, MA is assigned to Arthur M Longsjo Middle School (middle), rated D-; Mckay Elementary School (elementary), rated D-; Fitchburg High School (high), rated D-. All sit in Fitchburg School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Derby St, Fitchburg, MA compare to other homes in Fitchburg 01420?

Among the 10,314 homes in Fitchburg 01420, it is worth more than 5% of them ($281,721 against a typical $396,176), its price per square foot is higher than 63% of them ($301 against a typical $283), it is bigger than 5% of them (936 ft² against a typical 1,615 ft²), its lot is bigger than 14% of them (0.11 ac against a typical 0.24 ac) and it is newer than 7% of them (1898 against a typical 1945). Measured against all of Worcester County, it is worth more than 5% 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 21 Derby St, Fitchburg, MA?

The 2026 property tax bill for 21 Derby St, Fitchburg, MA was $3,774. The county assessed it at $284,000.

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