522 Spring St, Naugatuck, CT 06770 Property Records

Naugatuck Borough property record for 522 Spring St, Naugatuck, CT 06770

Property Summary

Property Type	Duplex
Details	4 bd · 3 ba · 2,436 sqft · built 1978
Lot Size	1.04 acres (45,302 sqft)
Owner	2 Individual Names on Record
Last Sale	$242,500 (Mar 2017)
Tax Bill	$10,760 (2026)
Deeds & Mortgages	Nov 2023 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`066-6900`

Property Details

APN / Parcel Number

Primary APN	`066-6900`
Alternative APNs	`NAUG M:F-12W16-524` `NAUG M:066 L:6900` `AD12 12W16 524` `66-6900`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Half Baths	2 Half Baths
Total Rooms	10 Rooms
Units	2 Units
Stories	1 Story
Building Area	2,436 sqft Living Area
Gross Area	4,848 sqft
1st Floor Area	2,436 sqft
Basement Area	2,376 sqft
Unfinished Basement	1,080 sqft

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1978
Architectural Style	Duplex Single
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Shingle
Lot Area	45,302 sqft (1.04 acres)
Garage Type	Basement

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	66-6900
Street Address	522 SPRING ST
City	NAUGATUCK
State	CT
Zip	06770-1906
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RA1
Legal Lot Number	6900
Jurisdiction	NAUGATUCK CT
Township / Civil Division	NAUGATUCK
Census Block Group	2
Census Block	2013
Census Tract	345100

Owner

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

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

Owner of Record	2 Individual Names on Record
Mailing Address	522 SPRING ST, NAUGATUCK, CT 06770-1906
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 23, 2017 · Amount on Record
Deed Sale	Mar 23, 2017 · Amount on Record
Prior Sale	Nov 15, 2000 · Amount on Record
Deed Book / Page	992 / 179
Transfer Doc	000992-181
Record Updated	Oct 29, 2026

November 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NAUGATUCK CT
Property Address	522 SPRING ST, NAUGATUCK, CT 06770-1906
Transaction Type	Mortgage
Record Updated	Nov 22, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	001130-739
Date	Nov 6, 2023
Book Page	1130/739
Instrument	2023-3274

Lender

Name	SECRETARY HOUSING URBAN DEVELOPMENT
Type	Government Agency

Agreement

Type	Second Mortgage (Down Payment)
Amount	Amount Recorded
Term	289 Months
Due	Dec 1, 2047

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision / Municipality	Naugatuck Borough
Unified School District	Naugatuck School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$10,760.00 (+1.63%)	$266,070 (-) Land $38,710 Building $227,360	$407,105 (+118.58%)
2025	$10,587.00	$266,070 (-) Land $38,710 Building $227,360	$186,249 Land $27,097 Building $159,152
2024	$10,587.00 (-11.09%)
2023	$11,907.00 (+29.02%)	$266,070 (+37.66%) Land $38,710 Building $227,360
2022	$9,229.00	$193,280 Land $41,460 Building $151,820

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 January 25, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not 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 Risk	Low lower than 93% of the US · lower than 86% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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 System	CTWC - NAUGATUCK REGION-CENTRAL SYSTEM private · serves 22,735 people · EPA ID CT0880011
Water Source	Surface water
Last State Inspection	Jun 2024
Lead	Under 1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 60 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: Frontier.

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