Duplex (2 Units, Any Combination)Residential
Last sold for $117,500 on Oct 6, 1987
40 10TH ST
DERBY, CT 06418
6
Beds
2
Baths
3,078 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1830
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
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.$117,500 · Oct 6, 1987
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,348 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$243,180 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$31,570
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$211,610
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$157,570
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$447,166
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.40
1
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.
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)
CountyNAUGATUCK VALLEY
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1987
Lot (acres)The size of the land the home sits on, from county records.0.11
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck
Transaction History(2)
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.
EHM
Irving SchoolD-
Elementary · Grades KG–5 · 0.3 mi
Derby High SchoolD-
High · Grades 9–12 · 0.4 mi
Derby Middle SchoolD+
Middle · Grades 6–8 · 0.4 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 homeData 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
40 10th 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.
- Bigger than 97% of homes in Derby 06418
- Has a smaller lot than 93% of homes in Naugatuck Valley County
- Among the oldest 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 area3,078 ft²
SmallerTypical 1,384 ft²Bigger
Bigger than 97% of homes nearby
Lot size0.11 ac
SmallerTypical 0.25 acBigger
Bigger than 8% of homes nearby
Year built1830
OlderTypical 1959Newer
Older than almost all homes nearby
| Measure | This home | Derby 06418 | Naugatuck Valley County |
|---|---|---|---|
| Living areabigger than | 3,078 ft² | 97% of homes | 94% of homes |
| Lot sizebigger than | 0.11 ac | 8% of homes | 7% of homes |
| Year builtnewer than | 1830 | almost no homes | almost no homes |
About 40 10th St
When did 40 10th St, Derby, CT last sell?
40 10th St, Derby, CT last sold on Oct 6, 1987 for $117,500, according to the county's recorded deed.
How big is 40 10th St, Derby, CT?
40 10th St, Derby, CT has 6 bedrooms, 2 bathrooms, 3,078 square feet of living space and a 0.11-acre lot.
When was 40 10th St, Derby, CT built?
40 10th St, Derby, CT was built in 1830, making it 196 years old. The building has 2 stories.
What schools serve 40 10th St, Derby, CT?
40 10th St, Derby, CT is assigned to Irving School (elementary), rated D-; Derby High School (high), rated D-; Derby Middle School (middle), rated D+. All sit in Derby School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 40 10th St, Derby, CT compare to other homes in Derby 06418?
Among the 3,850 homes in Derby 06418, it is bigger than 97% of them (3,078 ft² against a typical 1,384 ft²), its lot is bigger than 8% of them (0.11 ac against a typical 0.25 ac) and it is newer than almost none of them (1830 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 40 10th St, Derby, CT?
The 2026 property tax bill for 40 10th St, Derby, CT was $9,348. The county assessed it at $243,180.
More homes on 10th St
- 20 10th St$388K3 bd · 2 ba · 1,488 ft² · Sold $346K · Sep 2023
- 46 10th St # 484 bd · 2 ba · 2,070 ft² · Sold $350K · Nov 2022
- 17 10th St$289K2 bd · 1.5 ba · 900 ft² · Sold $179K · Aug 2020
- 15 10th St$376K4 bd · 2 ba · 1,394 ft² · Sold $235K · Aug 2019
- 28 10th St$373K4 bd · 2.5 ba · 1,362 ft² · Sold $70K · May 2018
- 32 10th St # 344 bd · 2 ba · 2,652 ft² · Sold $163K · May 2016
- 49 10th St # 514 bd · 2 ba · 2,496 ft² · Sold $235K · Jan 2006
- 31 10th St5 bd · 3 ba · 3,784 ft² · Sold $270K · Apr 2004
- 39 10th St # 414 bd · 3 ba · 2,100 ft² · Sold $155K · May 2003
- 47 10th St6 bd · 3 ba · 3,816 ft² · Sold $155K · Jan 2003
- 21 10th St$316K3 bd · 1.5 ba · 1,356 ft² · Sold $115K · Aug 2000
- 16 10th St$311K3 bd · 1.5 ba · 1,500 ft² · Sold $95K · Mar 1998
Closest homes
- 42 10th St49 ft · 4 bd · 2 ba · 1,860 ft² · Sold Jan 1900
- 38 10th St53 ft · 3 bd · 2 ba · 2,486 ft² · Sold $105K · Nov 1995
- 46 10th St97 ft · 4 bd · 2 ba · 2,070 ft² · Sold $350K · Nov 2022
- 32 10th St102 ft · 4 bd · 2 ba · 2,652 ft² · Sold $163K · May 2016
- 39 10th St143 ft · 4 bd · 3 ba · 2,100 ft² · Sold $155K · May 2003
- 47 10th St154 ft · 6 bd · 3 ba · 3,816 ft² · Sold $155K · Jan 2003
- 23 Nineth St153 ft · 4 bd · 2 ba · 1,571 ft² · Sold $183K · Feb 2021
- 49 10th St170 ft · 4 bd · 2 ba · 2,496 ft² · Sold $235K · Jan 2006
More homes in Derby 06418
- 30 Orangewood W$343K3 bd · 2.5 ba · 1,450 ft² · Sold $348K · Oct 2026
- 43 Prairie Ave$459K3 bd · 1.5 ba · 1,248 ft² · Sold $469K · Oct 2026
- 1 Prindle Ave$354K3 bd · 2 ba · 2,088 ft² · Sold $280K · Oct 2026
- 61 Mount Pleasant St3 bd · 2 ba · 1,180 ft² · Sold $330K · Sep 2026
- 140 Emmett Ave$380K3 bd · 2.5 ba · 1,486 ft² · Sold $370K · Sep 2026
- 42 Coppola Ter$427K3 bd · 2 ba · 1,210 ft² · Sold $425K · Sep 2026
- 3 Coppola Ter$400K3 bd · 1 ba · 1,292 ft² · Sold $415K · Sep 2026
- 4 Oak St7 bd · 3.5 ba · 2,800 ft² · Sold $590K · Sep 2026
- 23 Washington St$600K2 bd · 1 ba · 1,855 ft² · Sold $600K · Sep 2026
- 196 New Haven Ave$349K2 bd · 2.5 ba · 1,578 ft² · Sold $349K · Sep 2026
- 50 Orangewood W$316K3 bd · 2.5 ba · 1,280 ft² · Sold $330K · Sep 2026
- 171 Mount Pleasant St$339K3 bd · 1 ba · 1,115 ft² · Sold $337K · Sep 2026
Assigned schools
Explore the area
See this home in context
Open 40 10th 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