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Single Family ResidenceResidential
$326,268$261 / 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 96How 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

366 SIBLEY AVE

WEST SPRINGFIELD, MA 01089
3
Beds
1
Baths
1,248 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.
0.57 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$326K
$312K low$340K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,303 (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.$289,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$123,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$165,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$296,685

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
CountyHAMPDEN
Lot (acres)The size of the land the home sits on, from county records.0.57
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Baseboard
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(6)

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
Tatham Elementary SchoolB-
Elementary · Grades KG–5 · 1.1 mi
M
West Springfield Middle SchoolD+
Middle · Grades 6–8 · 1.9 mi
H
West Springfield High SchoolC+
High · Grades 9–12 · 2.1 mi

District: West Springfield School District

Neighborhood · ZIP 01089These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.55

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.28,931
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,665 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,562
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,574
Average tempThe average temperature here across a full year.49°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.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

366 Sibley Ave 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.

  • Costs more per square foot than 72% of homes in West Springfield 01089
  • Smaller than 71% of homes in West Springfield 01089
  • Has a bigger lot than 81% of homes in West Springfield 01089
  • Newer than 79% of homes in West Springfield 01089

What homes are worth in West Springfield 01089

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

This home
$143K$722K

This home is worth more than 45% of homes in West Springfield 01089.

How it measures up in West Springfield 01089

The dot is this home. The mark in the middle is the typical home in West Springfield 01089.

Estimated value$326,268
CheaperTypical $337,737Pricier

Pricier than 45% of homes nearby

Price per ft²$261
CheaperTypical $237Pricier

Pricier than 72% of homes nearby

Living area1,248 ft²
SmallerTypical 1,536 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.57 ac
SmallerTypical 0.3 acBigger

Bigger than 81% of homes nearby

Year built1973
OlderTypical 1953Newer

Newer than 79% of homes nearby

How 366 Sibley Ave ranks against every home in each area.
MeasureThis homeWest Springfield 01089Hampden County
Estimated valuepricier than$326,26845% of homes46% of homes
Price per ft²pricier than$26172% of homes63% of homes
Living areabigger than1,248 ft²29% of homes31% of homes
Lot sizebigger than0.57 ac81% of homes71% of homes
Year builtnewer than197379% of homes73% of homes

About 366 Sibley Ave

How much is 366 Sibley Ave, West Springfield, MA worth?

The TopHap Estimate for 366 Sibley Ave, West Springfield, MA is $326,268 as of Sep 24, 2026. The likely range is $312,494 to $340,042. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 366 Sibley Ave, West Springfield, MA last sell?

366 Sibley Ave, West Springfield, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 366 Sibley Ave, West Springfield, MA?

366 Sibley Ave, West Springfield, MA has 3 bedrooms, 1 bathrooms, 1,248 square feet of living space and a 0.57-acre lot.

When was 366 Sibley Ave, West Springfield, MA built?

366 Sibley Ave, West Springfield, MA was built in 1973, making it 53 years old. It is a ranch home. The building has 1 story.

What schools serve 366 Sibley Ave, West Springfield, MA?

366 Sibley Ave, West Springfield, MA is assigned to Tatham Elementary School (elementary), rated B-; West Springfield Middle School (middle), rated D+; West Springfield High School (high), rated C+. All sit in West Springfield School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 366 Sibley Ave, West Springfield, MA compare to other homes in West Springfield 01089?

Among the 8,208 homes in West Springfield 01089, it is worth more than 45% of them ($326,268 against a typical $337,737), its price per square foot is higher than 72% of them ($261 against a typical $237), it is bigger than 29% of them (1,248 ft² against a typical 1,536 ft²), its lot is bigger than 81% of them (0.57 ac against a typical 0.3 ac) and it is newer than 79% of them (1973 against a typical 1953). Measured against all of Hampden County, it is worth more than 46% 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 366 Sibley Ave, West Springfield, MA?

The 2025 property tax bill for 366 Sibley Ave, West Springfield, MA was $4,303. The county assessed it at $289,400.

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