231 Thaddeus Ave, Danbury, CT 06811 Property Records

Danbury City property record for 231 Thaddeus Ave, Danbury, CT 06811

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,120 sqft · built 1970
Lot Size0.18 acres (7,841 sqft)
Owner2 Individual Names on Record
Last Sale$249,000 (Nov 2010)
Tax Bill$5,456 (2025)
Deeds & MortgagesOct 2021 Refinance
Flood ZoneZone X (minimal risk)
APNDANB M:J05 L:64

Property Details

APN / Parcel Number

Primary APNDANB M:J05 L:64
Alternative APN
  • J05064

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Stories1 Story
Building Area1,120 sqft Living Area
Gross Area2,450 sqft
1st Floor Area1,120 sqft
Basement Area1,120 sqft
Unfinished Basement770 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1970
Effective Year BuiltEffective 1970
Architectural StyleContemporary
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeShed Roof
Roof MaterialRolled Roofing
Lot Area7,841 sqft (0.18 acres)
Garage TypeBasement
Parking Spaces1 Parking Space
Deck AreaDeck Area

Utilities, Heating & Cooling

Heating SystemBaseboard
Heating FuelElectric
SewerSeptic
Water SourceWell

Location & Zoning

Account NumberJ05064
Street Address231 THADDEUS AVE
CityDANBURY
StateCT
Zip06811-3133
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRA20
Legal Lot Number64
JurisdictionDANBURY CT
Township / Civil DivisionDANBURY
Census Block Group2
Census Block2020
Census Tract211300

Owner

Source: Danbury City records, as of June 25, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address231 THADDEUS AVE, DANBURY, CT 06811-3133
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 18, 2010 · Amount on Record
Deed SaleNov 18, 2010 · Amount on Record
Prior SaleDec 30, 1994 · Amount on Record
Deed Book / Page2113 / 646
Record UpdatedOct 29, 2026

October 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDANBURY CT
Property Address231 THADDEUS AVE, DANBURY, CT 06811-3133
Transaction TypeMortgage
Record UpdatedNov 11, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number2592-1093
DateOct 20, 2021
Book Page2592/1093
Instrument11197380018
Lender
NameBROKER SOLUTIONS INC
TypeFunding / Finance Company
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term181 Months
DueNov 1, 2036

Tax Assessment & Valuation

Source: Danbury City assessment roll, as of June 25, 2026

Property Jurisdictions

TypeName
StateConnecticut
County Subdivision / MunicipalityDanbury City
Unified School DistrictDanbury School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$5,456.00$218,330 (-) Land $83,300 Building $135,030$152,831 Land $58,310 Building $94,521
2024$5,456.00 (+7.11%)
2023$5,094.00 (+18.36%)$218,330 (+43.17%) Land $83,300 Building $135,030
2022$4,304.00$152,500 Land $79,000 Building $73,500

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective November 28, 2025

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · above 55% of Connecticut
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemAQUA VISTA ASSOC, INC
private · serves 388 people · EPA ID CT0340111
Water SourceGroundwater
Last State InspectionApr 2025
Lead1 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 148 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Frontier
Fiber
7,000 / 7,000
GoNetspeed
Fiber
2,000 / 2,000
Xfinity
Cable
2,000 / 250

May also be available: T-Mobile, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Thaddeus Ave

Nearby Streets

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