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Single Family ResidenceResidential
$241,960$204 / 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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $209,900 on Nov 4, 2024

18 ROCK ST

NEW HAVEN, CT 06511
3
Beds
1.5
Baths
1,188 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.
3,485 ft²
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
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

$242K
$204K low$279K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$209,900 · Nov 4, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,765 (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.$95,550 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$26,320
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$69,230
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$95,550
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$136,500

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
39
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountySOUTH CENTRAL CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.08
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.

E
East Rock Community & Cultural Studies Magnet SchoolD+
Elementary · Grades PK–8 · 0.5 mi
H
Wilbur Cross High SchoolF
High · Grades 9–12 · 0.6 mi

District: New Haven School District

Neighborhood · ZIP 06511These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
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.55,979
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,955 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,497
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,046
Average tempThe average temperature here across a full year.51°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

18 Rock 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.

  • Worth less than 93% of homes in East Rock
  • Costs less per square foot than 93% of homes in East Rock
  • Smaller than 89% of homes in East Rock
  • Has a smaller lot than 96% of homes in South Central Connecticut County
  • Newer than 97% of homes in East Rock

What homes are worth in New Haven 06511

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

This home
$138K$1.7M

This home is worth more than 18% of homes in New Haven 06511.

How it measures up in New Haven 06511

The dot is this home. The mark in the middle is the typical home in New Haven 06511.

Estimated value$241,960
CheaperTypical $372,008Pricier

Pricier than 18% of homes nearby

Price per ft²$204
CheaperTypical $241Pricier

Pricier than 30% of homes nearby

Living area1,188 ft²
SmallerTypical 2,300 ft²Bigger

Bigger than 13% of homes nearby

Lot size3,485 ft²
SmallerTypical 0.13 acBigger

Bigger than 16% of homes nearby

Year built1986
OlderTypical 1910Newer

Newer than 92% of homes nearby

How 18 Rock St ranks against every home in each area.
MeasureThis homeEast RockNew Haven 06511South Central Connecticut County
Estimated valuepricier than$241,9607% of homes18% of homes8% of homes
Price per ft²pricier than$2047% of homes30% of homes10% of homes
Living areabigger than1,188 ft²11% of homes13% of homes26% of homes
Lot sizebigger than3,485 ft²15% of homes16% of homes4% of homes
Year builtnewer than198697% of homes92% of homes81% of homes

About 18 Rock St

How much is 18 Rock St, New Haven, CT worth?

The TopHap Estimate for 18 Rock St, New Haven, CT is $241,960 as of Aug 30, 2026. The likely range is $204,449 to $279,471. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Rock St, New Haven, CT last sell?

18 Rock St, New Haven, CT last sold on Nov 4, 2024 for $209,900, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 18 Rock St, New Haven, CT?

18 Rock St, New Haven, CT has 3 bedrooms, 1.5 bathrooms, 1,188 square feet of living space and a 0.08-acre lot.

When was 18 Rock St, New Haven, CT built?

18 Rock St, New Haven, CT was built in 1986, making it 40 years old. The building has 2 stories.

What schools serve 18 Rock St, New Haven, CT?

18 Rock St, New Haven, CT is assigned to East Rock Community & Cultural Studies Magnet School (elementary), rated D+; Wilbur Cross 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 18 Rock St, New Haven, CT compare to other homes in New Haven 06511?

Among the 6,912 homes in New Haven 06511, it is worth more than 18% of them ($241,960 against a typical $372,008), its price per square foot is higher than 30% of them ($204 against a typical $241), it is bigger than 13% of them (1,188 ft² against a typical 2,300 ft²), its lot is bigger than 16% of them (3,485 ft² against a typical 0.13 ac) and it is newer than 92% of them (1986 against a typical 1910). Measured against all of South Central Connecticut County, it is worth more than 8% 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 18 Rock St, New Haven, CT?

The 2025 property tax bill for 18 Rock St, New Haven, CT was $3,765. The county assessed it at $95,550.

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