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Duplex (2 Units, Any Combination)Residential
Last sold for $77,500 on Oct 21, 1993

34 UNION ST

HOLLISTON, MA 01746
6
Beds
3
Baths
3,310 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1871
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$77,500 · Oct 21, 1993

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,696 (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.$593,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$226,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$367,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$540,700

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.10 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.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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyMiddlesex
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.1970
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Stone
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
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

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.

M
Robert H. Adams Middle SchoolA-
Middle · Grades 6–8 · 0.4 mi
E
Placentino Elementary School
Elementary · Grades PK–2 · 0.6 mi
H
Holliston High SchoolA
High · Grades 9–12 · 1.0 mi

District: Holliston School District

Neighborhood · ZIP 01746These 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.11
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.67

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.39%
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.1.4%
PopulationHow many people live in this area.15,460
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.813 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$148,945
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$184,552
Average tempThe average temperature here across a full year.49°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.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

34 Union 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.

  • Bigger than 90% of homes in Middlesex County
  • Among the smallest lots in Holliston 01746
  • Older than 98% of homes in Middlesex County

How it measures up in Holliston 01746

The dot is this home. The mark in the middle is the typical home in Holliston 01746.

Living area3,310 ft²
SmallerTypical 1,896 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.16 ac
SmallerTypical 0.69 acBigger

Smaller than almost all homes nearby

Year built1871
OlderTypical 1968Newer

Newer than 5% of homes nearby

How 34 Union St ranks against every home in each area.
MeasureThis homeHolliston 01746Middlesex County
Living areabigger than3,310 ft²89% of homes90% of homes
Lot sizebigger than0.16 acalmost no homes27% of homes
Year builtnewer than18715% of homes2% of homes

About 34 Union St

When did 34 Union St, Holliston, MA last sell?

34 Union St, Holliston, MA last sold on Oct 21, 1993 for $77,500, according to the county's recorded deed.

How big is 34 Union St, Holliston, MA?

34 Union St, Holliston, MA has 6 bedrooms, 3 bathrooms, 3,310 square feet of living space and a 0.16-acre lot.

When was 34 Union St, Holliston, MA built?

34 Union St, Holliston, MA was built in 1871, making it 155 years old. It is a colonial home. The building has 3 stories.

What schools serve 34 Union St, Holliston, MA?

34 Union St, Holliston, MA is assigned to Robert H. Adams Middle School (middle), rated A-; Placentino Elementary School (elementary); Holliston High School (high), rated A. All sit in Holliston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 34 Union St, Holliston, MA compare to other homes in Holliston 01746?

Among the 5,229 homes in Holliston 01746, it is bigger than 89% of them (3,310 ft² against a typical 1,896 ft²), its lot is bigger than almost none of them (0.16 ac against a typical 0.69 ac) and it is newer than 5% of them (1871 against a typical 1968). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 34 Union St, Holliston, MA?

The 2025 property tax bill for 34 Union St, Holliston, MA was $8,696. The county assessed it at $593,600.

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