312 Winthrop Ave, New Haven, CT 06511 Property Records

New Haven City property record for 312 Winthrop Ave, New Haven, CT 06511

Property Summary

Property TypeExempt (Full or Partial)
Details6 bd · 3 ba · 3,234 sqft · built 1900
Lot Size0.18 acres (7,841 sqft)
OwnerCompany Name on Record
Last Sale$150,000 (Mar 2010)
Deeds & MortgagesSep 2021 Refinance
Flood ZoneZone X (minimal risk)
APN337 0239 02300

Property Details

APN / Parcel Number

Primary APN337 0239 02300
Alternative APN
  • NHVN M:337 B:0239 L:02300

Interior

Bedrooms6 Beds
Full Baths3 Baths
Total Rooms14 Rooms
Units3 Units
Stories3 Stories
Building Area3,234 sqft Total Area
Gross Area5,213 sqft
1st Floor Area1,207 sqft
Basement Area1,207 sqft
Unfinished Basement1,207 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1900
Architectural StyleOther
Exterior MaterialAluminum/Vinyl
Roof TypeGable
Roof MaterialAsphalt
Lot Area7,841 sqft (0.18 acres)

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
Heating FuelOil

Location & Zoning

Account Number337 0239 02300
Street Address312 WINTHROP AVE
CityNEW HAVEN
StateCT
Zip06511-4317
Property CategoryOther
Property TypeOther > Exempt (Full or Partial)
Local Zoning CodeRM2
Legal Block239
Legal Lot Number2300
JurisdictionNEW HAVEN CT
Township / Civil DivisionNEW HAVEN
Census Block Group2
Census Block2003
Census Tract140900

Owner

Source: New Haven City 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 RecordCompany Name on Record
Mailing Address109 LEGION AVE, NEW HAVEN, CT 06519-5506
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 16, 2010 · Amount on Record
Deed SaleMar 16, 2010 · Amount on Record
Prior SaleJul 2, 2009
Deed Book / Page8515 / 232
Transfer Doc008515-232
Record UpdatedOct 29, 2026

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNEW HAVEN CT
Property Address312 WINTHROP AVE, NEW HAVEN, CT 06511-4317
Transaction TypeMortgage
Record UpdatedOct 23, 2025

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number010251-245
DateSep 24, 2021
Book Page10251/245
Instrument2021-09977
Lender
NameKEY BANK NA
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term181 Months
DueOct 1, 2036

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateConnecticut
County Subdivision / MunicipalityNew Haven City
Unified School DistrictNew Haven School District (PK - 12)

Tax Bill & Assessment History

YearAssessed ValueAssessed Market Value
2026$217,350 (-) Land $49,770 Building $167,580
2025$217,350 (-2.05%) Land $49,770 Building $167,580$310,500 Land $71,100 Building $239,400
2023$221,900 (-) Land $49,770 Building $172,130
2022$221,900 Land $49,770 Building $172,130

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 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 99.1% of the US · lower than 99% of Connecticut
Wildfire LikelihoodUnder 0.01% 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 SystemREGIONAL WATER AUTHORITY
serves 418,900 people · EPA ID CT0930011
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 628 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
AT&T
Fixed Wireless
100 / 20

May also be available: T-Mobile.

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