129 Mill St, Naugatuck, CT 06770 Property Records

Naugatuck Borough property record for 129 Mill St, Naugatuck, CT 06770

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 864 sqft · built 1947
Lot Size0.79 acres (34,412 sqft)
OwnerIndividual Name on File
Last Sale$165,000 (Oct 2020)
Tax Bill$5,557 (2026)
Deeds & MortgagesOct 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APNNAUG M:B-13.5W17

Property Details

APN / Parcel Number

Primary APNNAUG M:B-13.5W17
Alternative APNs
  • NAUG M:063 L:2313
  • AF11 13.5W17
  • 063-2313
  • 63-2313

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area864 sqft Living Area
Gross Area1,864 sqft
1st Floor Area864 sqft
Basement Area612 sqft
Unfinished Basement612 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1947
Effective Year BuiltEffective 1947
Architectural StyleRanch
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialShingle
Lot Area34,412 sqft (0.79 acres)

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelOil

Location & Zoning

Account Number63-2313
Street Address129 MILL ST
CityNAUGATUCK
StateCT
Zip06770-1801
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRA1
Legal Lot Number2313
JurisdictionNAUGATUCK CT
Township / Civil DivisionNAUGATUCK
Census Block Group1
Census Block1000
Census Tract345400

Owner

129 Mill St is owned and occupied by an individual who bought it in October 2020.

Source: Naugatuck Borough records, as of October 20, 2026

Owner of RecordIndividual Name on File
Mailing Address129 MILL ST, NAUGATUCK, CT 06770-1801
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 20, 2020 · Amount on File
Deed SaleOct 20, 2020 · Amount on File
Prior SaleOct 2, 2017 · Amount on File
Deed Document Number20203364
Deed Book / Page1056 / 476
Record UpdatedOct 29, 2026

October 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionNAUGATUCK CT
Recording DateOct 20, 2020
Property Address129 MILL ST, NAUGATUCK, CT 06770-1801
Document Number1056-476
Book / Page1056 / 476
Instrument DateOct 10, 2020
Instrument3364
Transaction TypeTransfer
Record UpdatedMay 21, 2021

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number3365
DateOct 20, 2020
Instrument3365
Lender
NameCITIZENS BANK
TypeBank
Agreement
TypeStand-Alone First Mortgage
AmountAmount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 129 Mill St was $5,557, up 1.6% from the year before.

Source: Naugatuck Borough assessment roll, as of September 25, 2026

Property Jurisdictions

TypeName
StateConnecticut
County Subdivision / MunicipalityNaugatuck Borough
Unified School DistrictNaugatuck School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$5,557.00 (+1.63%)$137,410 (-) Land $38,570 Building $98,840$274,247 (+185.12%)
2025$5,468.00$137,410 Land $38,570 Building $98,840$96,187 Land $26,999 Building $69,188
2024$5,468.00 (-11.07%)
2023$6,149.00 (+42.9%)$137,410 (+52.49%) Land $38,570 Building $98,840
2022$4,303.00$90,110 Land $40,890 Building $49,220

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

Flood

FEMA maps place 129 Mill St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective January 25, 2026

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

Wildfire risk around 129 Mill St is low, with a 0.01% annual chance of 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
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemCTWC - NAUGATUCK REGION-CENTRAL SYSTEM
private · serves 22,735 people · EPA ID CT0880011
Water SourceSurface water
Last State InspectionJun 2024
LeadUnder 1 ppb (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 288 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
Verizon
Fixed Wireless
300 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Mill St

Nearby Streets

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