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Single Family ResidenceResidential
$757,339$390 / 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 88How 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

171 FLAGG ST

WORCESTER, MA 01609
3
Beds
2.5
Baths
1,943 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.
2005
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

$757K
$664K low$851K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,162 (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.$618,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$126,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$492,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$656,260

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.13 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.Ranch
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.0.46
ConstructionThe main material the home's frame and walls are built from.Concrete
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(4)

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
Flagg StreetB+
Elementary · Grades KG–6 · 0.2 mi
M
Forest Grove Middle SchoolC-
Middle · Grades 7–8 · 0.9 mi
H
Doherty Memorial High SchoolC
High · Grades 9–12 · 1.3 mi

District: Worcester School District

Neighborhood · ZIP 01609These 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.119
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 100.60

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
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.22,689
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,467 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,029
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,093
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

171 Flagg 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 more than 88% of homes in Worcester County
  • Costs more per square foot than 92% of homes in Salisbury Street
  • Has a bigger lot than 81% of homes in Salisbury Street
  • Newer than 98% of homes in Salisbury Street

What homes are worth in Worcester 01609

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

This home
$195K$1M

This home is worth more than 83% of homes in Worcester 01609.

How it measures up in Worcester 01609

The dot is this home. The mark in the middle is the typical home in Worcester 01609.

Estimated value$757,339
CheaperTypical $565,403Pricier

Pricier than 83% of homes nearby

Price per ft²$390
CheaperTypical $292Pricier

Pricier than 91% of homes nearby

Living area1,943 ft²
SmallerTypical 2,129 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.46 ac
SmallerTypical 0.31 acBigger

Bigger than 68% of homes nearby

Year built2005
OlderTypical 1943Newer

Newer than 95% of homes nearby

How 171 Flagg St ranks against every home in each area.
MeasureThis homeSalisbury StreetWorcester 01609Worcester County
Estimated valuepricier than$757,33982% of homes83% of homes88% of homes
Price per ft²pricier than$39092% of homes91% of homes86% of homes
Living areabigger than1,943 ft²47% of homes43% of homes61% of homes
Lot sizebigger than0.46 ac81% of homes68% of homes48% of homes
Year builtnewer than200598% of homes95% of homes90% of homes

About 171 Flagg St

How much is 171 Flagg St, Worcester, MA worth?

The TopHap Estimate for 171 Flagg St, Worcester, MA is $757,339 as of Aug 30, 2026. The likely range is $664,069 to $850,609. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 171 Flagg St, Worcester, MA last sell?

171 Flagg St, Worcester, MA last sold on May 27, 2016, according to the county's recorded deed.

How big is 171 Flagg St, Worcester, MA?

171 Flagg St, Worcester, MA has 3 bedrooms, 2.5 bathrooms, 1,943 square feet of living space and a 0.46-acre lot.

When was 171 Flagg St, Worcester, MA built?

171 Flagg St, Worcester, MA was built in 2005, making it 21 years old. It is a ranch home. The building has 1 story.

What schools serve 171 Flagg St, Worcester, MA?

171 Flagg St, Worcester, MA is assigned to Flagg Street (elementary), rated B+; Forest Grove Middle School (middle), rated C-; Doherty Memorial High School (high), rated C. All sit in Worcester School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 171 Flagg St, Worcester, MA compare to other homes in Worcester 01609?

Among the 3,878 homes in Worcester 01609, it is worth more than 83% of them ($757,339 against a typical $565,403), its price per square foot is higher than 91% of them ($390 against a typical $292), it is bigger than 43% of them (1,943 ft² against a typical 2,129 ft²), its lot is bigger than 68% of them (0.46 ac against a typical 0.31 ac) and it is newer than 95% of them (2005 against a typical 1943). Measured against all of Worcester County, it is worth more than 88% 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 171 Flagg St, Worcester, MA?

The 2025 property tax bill for 171 Flagg St, Worcester, MA was $8,162. The county assessed it at $618,800.

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