Duplex (2 Units, Any Combination)Residential
Last sold for $9,900 on May 24, 2017
9 11TH ST
DERBY, CT 06418
3
Beds
2
Baths
1,008 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1860
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
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.$9,900 · May 24, 2017
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,701 (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.$85,680 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,980
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$52,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$85,680
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$59,976
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.51
51
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
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.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
Lot (acres)The size of the land the home sits on, from county records.0.29
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Hot Water
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(3)
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 SchoolF
High · Grades 9–12 · 0.4 mi
Derby Middle SchoolC
Middle · Grades 6–8 · 0.5 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
9 11th 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 88% of homes in Naugatuck Valley County
- Among the oldest homes in Naugatuck Valley County
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 area1,008 ft²
SmallerTypical 1,378 ft²Bigger
Bigger than 13% of homes nearby
Lot size0.29 ac
SmallerTypical 0.25 acBigger
Bigger than 56% of homes nearby
Year built1860
OlderTypical 1959Newer
Newer than 2% of homes nearby
| Measure | This home | Derby 06418 | Naugatuck Valley County |
|---|---|---|---|
| Living areabigger than | 1,008 ft² | 13% of homes | 12% of homes |
| Lot sizebigger than | 0.29 ac | 56% of homes | 37% of homes |
| Year builtnewer than | 1860 | 2% of homes | almost no homes |
About 9 11th St
When did 9 11th St, Derby, CT last sell?
9 11th St, Derby, CT last sold on May 24, 2017 for $9,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.
How big is 9 11th St, Derby, CT?
9 11th St, Derby, CT has 3 bedrooms, 2 bathrooms, 1,008 square feet of living space and a 0.29-acre lot.
When was 9 11th St, Derby, CT built?
9 11th St, Derby, CT was built in 1860, making it 166 years old. The building has 2 stories.
What schools serve 9 11th St, Derby, CT?
9 11th 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 9 11th St, Derby, CT compare to other homes in Derby 06418?
Among the 3,850 homes in Derby 06418, it is bigger than 13% of them (1,008 ft² against a typical 1,378 ft²), its lot is bigger than 56% of them (0.29 ac against a typical 0.25 ac) and it is newer than 2% of them (1860 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 9 11th St, Derby, CT?
The 2025 property tax bill for 9 11th St, Derby, CT was $3,701. The county assessed it at $85,680.
More homes on 11th St
- 22 11th St # 245 bd · 2 ba · 2,352 ft² · Sold $220K · Sep 2017
- 23 11th St # 254 bd · 2 ba · 1,872 ft² · Sold $210K · Aug 2008
- 14 11th St # 164 bd · 2 ba · 1,664 ft² · Sold $225K · Jul 2008
- 17 11th St # 196 bd · 2.5 ba · 3,018 ft² · Sold $360K · Aug 2007
- 15 11th St2 bd · 2 ba · 1,680 ft² · Sold Jan 1900
- 10 11th St # 124 bd · 3 ba · 2,428 ft² · Sold Jan 1900
- 20 11th St3 bd · 2 ba · 1,579 ft² · Sold Jan 1900
Closest homes
- 15 11th St108 ft · 2 bd · 2 ba · 1,680 ft² · Sold Jan 1900
- 232 Hawkins St143 ft · 3 bd · 2 ba · 1,888 ft² · Sold $90K · Jul 2013
- 10 11th St163 ft · 4 bd · 3 ba · 2,428 ft² · Sold Jan 1900
- 14 11th St171 ft · 4 bd · 2 ba · 1,664 ft² · Sold $225K · Jul 2008
- 17 11th St162 ft · 6 bd · 2.5 ba · 3,018 ft² · Sold $360K · Aug 2007
- 226 Hawkins St206 ft · 5 bd · 2 ba · 2,288 ft² · Sold Jan 1900
- 20 11th St197 ft · 3 bd · 2 ba · 1,579 ft² · Sold Jan 1900
- 224 Hawkins St259 ft · 6 bd · 2 ba · 2,584 ft² · Sold $186K · Apr 2002
More homes in Derby 06418
- 75 Commodore Cmns$273K2 bd · 1.5 ba · 1,116 ft² · Sold $250K · Aug 2026
- 22 Camptown Ave4 bd · 2 ba · 1,280 ft² · Sold $150K · Aug 2026
- 116 Shagbark Dr$314K3 bd · 2.5 ba · 1,536 ft² · Sold $310K · Aug 2026
- 242 Marshall Ln$365K3 bd · 1 ba · 960 ft² · Sold $365K · Aug 2026
- 59 Prairie Ave$371K3 bd · 1 ba · 1,040 ft² · Sold $420K · Aug 2026
- 233 Derby Ave$224K2 bd · 1.5 ba · 943 ft² · Sold $3.4M · Aug 2026
- 82 Sunset Dr$387K2 bd · 1 ba · 924 ft² · Sold $385K · Jul 2026
- 308 Olivia St6 bd · 3 ba · 2,553 ft² · Sold $430K · Jul 2026
- 220 Shagbark Dr$291K2 bd · 2.5 ba · 1,332 ft² · Sold $290K · Jul 2026
- 36 Commodore Hull Dr$628K3 bd · 2.5 ba · 2,444 ft² · Sold $625K · Jul 2026
- 205 Smith St4 bd · 2 ba · 1,744 ft² · Sold $660K · Jul 2026
- 8 Buckingham Rd$659K3 bd · 3.5 ba · 2,880 ft² · Sold $655K · Jul 2026
Assigned schools
Explore the area
See this home in context
Open 9 11th 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