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Single Family ResidenceResidential
$300,423$328 / 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 92How 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 $99,900 on Dec 6, 2000

45 UNION AVE

WEST HAVEN, CT 06516
2
Beds
1
Baths
917 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$300K
$276K low$325K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$99,900 · Dec 6, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,881 (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.$170,310 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$59,080
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$111,230
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$104,930
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$243,300

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.55 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.89%
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.Cape Cod
CountySOUTH CENTRAL CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.12
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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
Washington Elementary SchoolD+
Elementary · Grades KG–4 · 0.2 mi
H
West Haven High SchoolC+
High · Grades 9–12 · 1.1 mi
M
Harry M. Bailey Middle SchoolC
Middle · Grades 7–8 · 2.2 mi

District: West Haven School District

Neighborhood · ZIP 06516These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.54,120
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,531 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,035
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,709
Average tempThe average temperature here across a full year.52°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

45 Union 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.

  • Worth less than 84% of homes in South Central Connecticut County
  • Costs more per square foot than 91% of homes in West Haven Center
  • Smaller than 93% of homes in South Central Connecticut County
  • Has a smaller lot than 90% of homes in South Central Connecticut County
  • Older than 66% of homes in South Central Connecticut County

What homes are worth in West Haven 06516

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

This home
$129K$602K

This home is worth more than 24% of homes in West Haven 06516.

How it measures up in West Haven 06516

The dot is this home. The mark in the middle is the typical home in West Haven 06516.

Estimated value$300,423
CheaperTypical $359,212Pricier

Pricier than 24% of homes nearby

Price per ft²$328
CheaperTypical $282Pricier

Pricier than 77% of homes nearby

Living area917 ft²
SmallerTypical 1,287 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.12 ac
SmallerTypical 0.17 acBigger

Bigger than 15% of homes nearby

Year built1950
OlderTypical 1955Newer

Newer than 41% of homes nearby

How 45 Union Ave ranks against every home in each area.
MeasureThis homeWest Haven CenterWest Haven 06516South Central Connecticut County
Estimated valuepricier than$300,42334% of homes24% of homes16% of homes
Price per ft²pricier than$32891% of homes77% of homes68% of homes
Living areabigger than917 ft²12% of homes13% of homes7% of homes
Lot sizebigger than0.12 ac21% of homes15% of homes10% of homes
Year builtnewer than195061% of homes41% of homes34% of homes

About 45 Union Ave

How much is 45 Union Ave, West Haven, CT worth?

The TopHap Estimate for 45 Union Ave, West Haven, CT is $300,423 as of Sep 24, 2026. The likely range is $275,610 to $325,236. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 45 Union Ave, West Haven, CT last sell?

45 Union Ave, West Haven, CT last sold on Dec 6, 2000 for $99,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 45 Union Ave, West Haven, CT?

45 Union Ave, West Haven, CT has 2 bedrooms, 1 bathrooms, 917 square feet of living space and a 0.12-acre lot.

When was 45 Union Ave, West Haven, CT built?

45 Union Ave, West Haven, CT was built in 1950, making it 76 years old. It is a cape cod home. The building has 1 story.

What schools serve 45 Union Ave, West Haven, CT?

45 Union Ave, West Haven, CT is assigned to Washington Elementary School (elementary), rated D+; West Haven High School (high), rated C+; Harry M. Bailey Middle School (middle), rated C. All sit in West Haven School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 45 Union Ave, West Haven, CT compare to other homes in West Haven 06516?

Among the 14,661 homes in West Haven 06516, it is worth more than 24% of them ($300,423 against a typical $359,212), its price per square foot is higher than 77% of them ($328 against a typical $282), it is bigger than 13% of them (917 ft² against a typical 1,287 ft²), its lot is bigger than 15% of them (0.12 ac against a typical 0.17 ac) and it is newer than 41% of them (1950 against a typical 1955). Measured against all of South Central Connecticut County, it is worth more than 16% 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 45 Union Ave, West Haven, CT?

The 2025 property tax bill for 45 Union Ave, West Haven, CT was $5,881. The county assessed it at $170,310.

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