666 Winthrop Ave, New Haven, CT 06511 Property Records

New Haven City property record for 666 Winthrop Ave, New Haven, CT 06511

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,953 sqft · built 1929
Lot Size	0.2 acres (8,712 sqft)
Owner	Individual Name on Record
Last Sale	$180,000 (Apr 2022)
Tax Bill	$6,716 (2026)
Deeds & Mortgages	Dec 2022 Refinance Apr 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`331 0338 00700`

Property Details

APN / Parcel Number

Primary APN	`331 0338 00700`
Alternative APN	`NHVN M:331 B:0338 L:00700`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,953 sqft Living Area
Gross Area	3,321 sqft
1st Floor Area	1,104 sqft
Basement Area	1,104 sqft
Unfinished Basement	1,104 sqft

Exterior

Year Built	Built 1929
Effective Year Built	Effective 1929
Architectural Style	Colonial
Exterior Material	Wood Siding
Roof Type	Gambrel
Roof Material	Asphalt
Lot Area	8,712 sqft (0.2 acres)

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	331 0338 00700
Street Address	666 WINTHROP AVE
City	NEW HAVEN
State	CT
Zip	06511-2834
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RS2
Legal Block	338
Legal Lot Number	700
Jurisdiction	NEW HAVEN CT
Township / Civil Division	NEW HAVEN
Census Block Group	2
Census Block	2013
Census Tract	141400

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Beaver Hills Historic District listed 1986 · 236 contributing resources · NRIS 86002108

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: New Haven City records, as of October 20, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	569 WINTHROP AVE, NEW HAVEN, CT 06511-3119
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 9, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance CONNEX CU
Apr 6, 2022	Warranty Deed, Transfer · Stand-Alone First Mortgage FIRST WORLD MORTGAGE CORPORATION

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 6, 2022 · Amount on Record
Deed Sale	Apr 6, 2022 · Amount on Record
Prior Sale	Jun 19, 1987 · Amount on Record
Deed Document Number	20223561
Deed Book / Page	10360 / 256
Record Updated	Oct 29, 2026

December 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NEW HAVEN CT
Property Address	666 WINTHROP AVE, NEW HAVEN, CT 06511-2834
Transaction Type	Mortgage
Record Updated	Nov 20, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	010477-170
Date	Dec 9, 2022
Book Page	10477/170
Instrument	2022-11876

Lender

Name	CONNEX CU
Type	Credit Union

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	241 Months
Due	Jan 1, 2043

April 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	NEW HAVEN CT
Recording Date	Apr 6, 2022
Property Address	666 WINTHROP AVE, NEW HAVEN, CT 06511-2834
Document Number	010360-256
Book / Page	10360 / 256
Instrument Date	Apr 5, 2022
Instrument	2022-03561
Transaction Type	Transfer
Record Updated	Nov 20, 2025

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	569 WINTHROP AVE, NEW HAVEN, CT 06511-3119

Mortgage

Document Number	0202203562
Date	Apr 6, 2022
Instrument	2022-03562

Lender

Name	FIRST WORLD MORTGAGE CORPORATION
Type	Mortgage Company

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: New Haven City assessment roll, as of September 25, 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision / Municipality	New Haven City
Unified School District	New Haven School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$6,716.00 (+1.42%)	$168,070 (-) Land $46,550 Building $121,520	$380,640 (+223.54%)
2025	$6,622.00	$168,070 (-) Land $46,550 Building $121,520	$117,649 Land $32,585 Building $85,064
2024	$6,622.00 (+5.92%)
2023	$6,252.00 (-6.42%)	$168,070 (-) Land $46,550 Building $121,520
2022	$6,681.00	$168,070 Land $46,550 Building $121,520

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 96% of the US · lower than 94% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None 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 System	REGIONAL WATER AUTHORITY serves 418,900 people · EPA ID CT0930011
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 586 locations within half a mile, as of December 31, 2025

Provider	Max 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
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile.

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