523 Winchester Ave, New Haven, CT 06511 Property Records

New Haven City property record for 523 Winchester Ave, New Haven, CT 06511

Property Summary

Property Type	Duplex
Details	5 bd · 4 ba · 2,818 sqft · built 2020
Lot Size	0.173 acres (7,525 sqft)
Owner	Individual Name on Record
Last Sale	$170,000 (Jun 2021)
Tax Bill	$9,091 (2026)
Deeds & Mortgages	Mar 2024 Mortgage Jun 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`255 0434 01000`

Property Details

APN / Parcel Number

Primary APN	`255 0434 01000`
Alternative APN	`NHVN M:255 B:0434 L:01000`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Half Baths	2 Half Baths
Total Rooms	11 Rooms
Units	2 Units
Stories	2 Stories
Building Area	2,818 sqft Living Area
Gross Area	4,250 sqft
Basement Area	1,104 sqft
Unfinished Basement	1,104 sqft

Exterior

Year Built	Built 2020
Effective Year Built	Effective 2020
Architectural Style	Duplex Single
Exterior Material	Aluminum/Vinyl
Roof Type	Gable
Roof Material	Asphalt
Lot Area	7,525 sqft (0.173 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	255 0434 01000
Street Address	523 WINCHESTER AVE
City	NEW HAVEN
State	CT
Zip	06511-1919
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RM2
Legal Block	434
Legal Lot Number	1000
Jurisdiction	NEW HAVEN CT
Township / Civil Division	NEW HAVEN
Census Block Group	3
Census Block	3005
Census Tract	141800

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	525 WINCHESTER AVE, NEW HAVEN, CT 06511-1919
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 1, 2024	Deed of Trust, Mortgage · FHA Mortgage ROCKET MORTGAGE
Jun 10, 2021	Quit Claim Deed, Transfer · FHA Mortgage NORCOM MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 10, 2021 · Amount on Record
Deed Sale	Jun 10, 2021 · Amount on Record
Prior Sale	Jul 12, 1994 · Amount on Record
Deed Document Number	20215658
Deed Book / Page	10189 / 139
Prior Transfer Date	Jun 7, 2021
Prior Transfer Doc	0000005658
Record Updated	Oct 29, 2026

March 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NEW HAVEN CT
Property Address	523 WINCHESTER AVE, NEW HAVEN, CT 06511-1919
Transaction Type	Mortgage
Record Updated	Oct 23, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	010651-179
Date	Mar 1, 2024
Book Page	10651/179
Instrument	2024-01650

Lender

Name	ROCKET MORTGAGE

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2054

June 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NEW HAVEN CT
Recording Date	Jun 10, 2021
Property Address	523 WINCHESTER AVE, NEW HAVEN, CT 06511-1919
Document Number	010189-139
Book / Page	10189 / 139
Instrument Date	Jun 7, 2021
Instrument	2021-05658
Transaction Type	Transfer
Record Updated	Oct 23, 2025

Transaction

Amount	Amount Recorded
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

Mortgage

Document Number	0202105659
Date	Jun 10, 2021
Instrument	2021-05659

Lender

Name	NORCOM MORTGAGE
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount Recorded

Mortgage

Document Number	010189-165
Date	Jun 10, 2021
Book Page	10189/165
Instrument	2021-05661

Lender

Name	NEW HAVEN, CITY OF

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	$9,091.00 (-3.82%)	$227,500 (-5.16%) Land $34,300 Building $193,200	$355,690 (+111.82%)
2025	$9,452.00	$239,890 (-) Land $34,300 Building $205,590	$167,923 Land $24,010 Building $143,913
2024	$9,452.00 (+5.92%)
2023	$8,924.00	$239,890 (+5.03%) Land $34,300 Building $205,590
2022		$228,410 Land $34,300 Building $194,110

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	Not rated no burnable land within 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 488 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: GoNetspeed.

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