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CondominiumResidential
$479,952$366 / 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 $495,000 on Jul 31, 2026

91 RILEY RD

TYNGSBORO, MA 01879
2
Beds
1.5
Baths
1,312 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.
2019
Year BuiltThe year the home was originally built, according to county records.
3
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

$480K
$436K low$524K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$495,000 · Jul 31, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$56 (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.$454,800 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$454,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$444,125

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.177 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.0.2 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
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
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

Transaction History(3)

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
Tyngsborough Elementary SchoolC+
Elementary · Grades PK–5 · 2.0 mi
M
Tyngsborough Middle SchoolC+
Middle · Grades 6–8 · 2.2 mi
H
Tyngsborough High SchoolB
High · Grades 9–12 · 2.2 mi

District: Tyngsborough School District

Neighborhood · ZIP 01879These 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.50
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.83

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
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.12,627
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.702 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,180
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$151,874
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

91 Riley Rd 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 87% of homes in Middlesex County
  • Costs less per square foot than 77% of homes in Middlesex County
  • Smaller than 80% of homes in Tyngsboro 01879
  • Newer than 98% of homes in Tyngsboro 01879

What homes are worth in Tyngsboro 01879

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

This home
$273K$1.2M

This home is worth more than 23% of homes in Tyngsboro 01879.

How it measures up in Tyngsboro 01879

The dot is this home. The mark in the middle is the typical home in Tyngsboro 01879.

Estimated value$479,952
CheaperTypical $644,082Pricier

Pricier than 23% of homes nearby

Price per ft²$366
CheaperTypical $326Pricier

Pricier than 72% of homes nearby

Living area1,312 ft²
SmallerTypical 2,014 ft²Bigger

Bigger than 20% of homes nearby

Year built2019
OlderTypical 1985Newer

Newer than 98% of homes nearby

How 91 Riley Rd ranks against every home in each area.
MeasureThis homeTyngsboro 01879Middlesex County
Estimated valuepricier than$479,95223% of homes13% of homes
Price per ft²pricier than$36672% of homes23% of homes
Living areabigger than1,312 ft²20% of homes26% of homes
Year builtnewer than201998% of homes98% of homes

About 91 Riley Rd

How much is 91 Riley Rd, Tyngsboro, MA worth?

The TopHap Estimate for 91 Riley Rd, Tyngsboro, MA is $479,952 as of Sep 24, 2026. The likely range is $435,510 to $524,394. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 91 Riley Rd, Tyngsboro, MA last sell?

91 Riley Rd, Tyngsboro, MA last sold on Jul 31, 2026 for $495,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 91 Riley Rd, Tyngsboro, MA?

91 Riley Rd, Tyngsboro, MA has 2 bedrooms, 1.5 bathrooms and 1,312 square feet of living space.

When was 91 Riley Rd, Tyngsboro, MA built?

91 Riley Rd, Tyngsboro, MA was built in 2019, making it 7 years old. The building has 3 stories.

What schools serve 91 Riley Rd, Tyngsboro, MA?

91 Riley Rd, Tyngsboro, MA is assigned to Tyngsborough Elementary School (elementary), rated C+; Tyngsborough Middle School (middle), rated C+; Tyngsborough High School (high), rated B. All sit in Tyngsborough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 91 Riley Rd, Tyngsboro, MA compare to other homes in Tyngsboro 01879?

Among the 4,280 homes in Tyngsboro 01879, it is worth more than 23% of them ($479,952 against a typical $644,082), its price per square foot is higher than 72% of them ($366 against a typical $326), it is bigger than 20% of them (1,312 ft² against a typical 2,014 ft²) and it is newer than 98% of them (2019 against a typical 1985). Measured against all of Middlesex County, it is worth more than 13% 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 91 Riley Rd, Tyngsboro, MA?

The 2025 property tax bill for 91 Riley Rd, Tyngsboro, MA was $56. The county assessed it at $454,800.

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