Skip to content
Skip to content
TopHapOpen in map
Vacant LandVacant Land
Last sold for $1,013,250 on Nov 5, 2009

23 FACTORY ST

DERBY, CT 06418
0
Baths
13,099 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,013,250 · Nov 5, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,268 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$52,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$52,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$36,750

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.60
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.183 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.71%
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.Vacant Land
CountyNAUGATUCK VALLEY
Lot (acres)The size of the land the home sits on, from county records.0.25
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Irving SchoolD
Elementary · Grades KG–5 · 0.7 mi
H
Derby High SchoolF
High · Grades 9–12 · 1.3 mi
M
Derby Middle SchoolC
Middle · Grades 6–8 · 1.3 mi

District: Derby School District

Neighborhood · ZIP 06418These 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.109
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 100.69

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.12,707
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,336 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,431
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,707
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

Do you own this home?
Claim this home

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

23 Factory 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.

  • Among the largest homes in Derby 06418
  • Has a smaller lot than 68% of homes in Naugatuck Valley County
  • Newer than 84% of homes in Derby 06418

How it measures up in Derby 06418

The dot is this home. The mark in the middle is the typical home in Derby 06418.

Living area13,099 ft²
SmallerTypical 1,380 ft²Bigger

Bigger than almost all homes nearby

Lot size0.25 ac
SmallerTypical 0.25 acBigger

Bigger than 51% of homes nearby

Year built1988
OlderTypical 1959Newer

Newer than 84% of homes nearby

How 23 Factory St ranks against every home in each area.
MeasureThis homeDerby 06418Naugatuck Valley County
Living areabigger than13,099 ft²almost all homesalmost all homes
Lot sizebigger than0.25 ac51% of homes32% of homes
Year builtnewer than198884% of homes79% of homes

About 23 Factory St

When did 23 Factory St, Derby, CT last sell?

23 Factory St, Derby, CT last sold on Nov 5, 2009 for $1,013,250, according to the county's recorded deed.

How big is 23 Factory St, Derby, CT?

23 Factory St, Derby, CT has 13,099 square feet of living space and a 0.25-acre lot.

When was 23 Factory St, Derby, CT built?

23 Factory St, Derby, CT was built in 1988, making it 38 years old. The building has 2 stories.

What schools serve 23 Factory St, Derby, CT?

23 Factory St, Derby, CT is assigned to Irving School (elementary), rated D; Derby High School (high), rated F; Derby Middle School (middle), rated C. All sit in Derby School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Factory St, Derby, CT compare to other homes in Derby 06418?

Among the 3,850 homes in Derby 06418, it is bigger than almost all of them (13,099 ft² against a typical 1,380 ft²), its lot is bigger than 51% of them (0.25 ac against a typical 0.25 ac) and it is newer than 84% of them (1988 against a typical 1959). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 23 Factory St, Derby, CT?

The 2024 property tax bill for 23 Factory St, Derby, CT was $2,268. The county assessed it at $52,500.

Closest homes

More homes in Derby 06418

Assigned schools

Explore the area

See this home in context

Open 23 Factory St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map