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Duplex (2 Units, Any Combination)Residential
Last sold for $200,000 on Sep 23, 2016

4 GROSVENOR ST

AYER, MA 01432
4
Beds
2
Baths
1,666 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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.$200,000 · Sep 23, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,032 (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.$337,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$117,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$219,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$476,569

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.Duplex Single
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.1988
Lot (acres)The size of the land the home sits on, from county records.0.29
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (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(10)

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.

H
Ayer Shirley Regional High SchoolB
High · Grades 9–12 · 1.2 mi
E
Page Hilltop Elementary SchoolB-
Elementary · Grades PK–5 · 1.2 mi
M
Ayer Shirley Regional Middle SchoolB-
Middle · Grades 6–8 · 3.6 mi

District: Ayer-Shirley School District

Neighborhood · ZIP 01432These 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.116
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
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.8,319
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.972 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,941
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,807
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

4 Grosvenor 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.

  • Has a smaller lot than 69% of homes in Ayer 01432
  • Older than 72% of homes in Ayer 01432

How it measures up in Ayer 01432

The dot is this home. The mark in the middle is the typical home in Ayer 01432.

Living area1,666 ft²
SmallerTypical 1,641 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.29 ac
SmallerTypical 0.45 acBigger

Bigger than 31% of homes nearby

Year built1945
OlderTypical 1976Newer

Newer than 28% of homes nearby

How 4 Grosvenor St ranks against every home in each area.
MeasureThis homeAyer 01432Middlesex County
Living areabigger than1,666 ft²51% of homes42% of homes
Lot sizebigger than0.29 ac31% of homes48% of homes
Year builtnewer than194528% of homes37% of homes

About 4 Grosvenor St

When did 4 Grosvenor St, Ayer, MA last sell?

4 Grosvenor St, Ayer, MA last sold on Sep 23, 2016 for $200,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 4 Grosvenor St, Ayer, MA?

4 Grosvenor St, Ayer, MA has 4 bedrooms, 2 bathrooms, 1,666 square feet of living space and a 0.29-acre lot.

When was 4 Grosvenor St, Ayer, MA built?

4 Grosvenor St, Ayer, MA was built in 1945, making it 81 years old. It is a duplex single home. The building has 1 story.

What schools serve 4 Grosvenor St, Ayer, MA?

4 Grosvenor St, Ayer, MA is assigned to Ayer Shirley Regional High School (high), rated B; Page Hilltop Elementary School (elementary), rated B-; Ayer Shirley Regional Middle School (middle), rated B-. All sit in Ayer-Shirley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Grosvenor St, Ayer, MA compare to other homes in Ayer 01432?

Among the 2,710 homes in Ayer 01432, it is bigger than 51% of them (1,666 ft² against a typical 1,641 ft²), its lot is bigger than 31% of them (0.29 ac against a typical 0.45 ac) and it is newer than 28% of them (1945 against a typical 1976). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4 Grosvenor St, Ayer, MA?

The 2025 property tax bill for 4 Grosvenor St, Ayer, MA was $4,032. The county assessed it at $337,100.

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