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Duplex (2 Units, Any Combination)Residential
Last sold for $120,000 on Sep 15, 2003

31 PORTER ST

NEW HAVEN, CT 06519
4
Beds
2
Baths
1,353 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
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.$120,000 · Sep 15, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,895 (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.$124,250 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$38,990
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$85,260
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$124,250
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$177,500

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.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.45%
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
CountySOUTH CENTRAL CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.21
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Barnard Environmental Studies SchoolD+
Elementary · Grades PK–8 · 0.4 mi
H
James Hillhouse High SchoolF
High · Grades 9–12 · 1.4 mi

District: New Haven School District

Neighborhood · ZIP 06519These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.6%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.15,373
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,491 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$45,571
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$66,786
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

31 Porter 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.

  • Smaller than 77% of homes in New Haven 06519
  • Has a bigger lot than 97% of homes in New Haven 06519
  • Older than 82% of homes in South Central Connecticut County

How it measures up in New Haven 06519

The dot is this home. The mark in the middle is the typical home in New Haven 06519.

Living area1,353 ft²
SmallerTypical 1,937 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.21 ac
SmallerTypical 0.1 acBigger

Bigger than 97% of homes nearby

Year built1925
OlderTypical 1900Newer

Newer than 79% of homes nearby

How 31 Porter St ranks against every home in each area.
MeasureThis homeWest RiverNew Haven 06519South Central Connecticut County
Living areabigger than1,353 ft²27% of homes23% of homes39% of homes
Lot sizebigger than0.21 ac95% of homes97% of homes36% of homes
Year builtnewer than192575% of homes79% of homes18% of homes

About 31 Porter St

When did 31 Porter St, New Haven, CT last sell?

31 Porter St, New Haven, CT last sold on Sep 15, 2003 for $120,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 31 Porter St, New Haven, CT?

31 Porter St, New Haven, CT has 4 bedrooms, 2 bathrooms, 1,353 square feet of living space and a 0.21-acre lot.

When was 31 Porter St, New Haven, CT built?

31 Porter St, New Haven, CT was built in 1925, making it 101 years old. It is a contemporary home. The building has 2 stories.

What schools serve 31 Porter St, New Haven, CT?

31 Porter St, New Haven, CT is assigned to Barnard Environmental Studies School (elementary), rated D+; James Hillhouse High School (high), rated F. All sit in New Haven School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Porter St, New Haven, CT compare to other homes in New Haven 06519?

Among the 2,172 homes in New Haven 06519, it is bigger than 23% of them (1,353 ft² against a typical 1,937 ft²), its lot is bigger than 97% of them (0.21 ac against a typical 0.1 ac) and it is newer than 79% of them (1925 against a typical 1900). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 31 Porter St, New Haven, CT?

The 2025 property tax bill for 31 Porter St, New Haven, CT was $4,895. The county assessed it at $124,250.

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