642 Elm St, New Haven, CT 06511 Property Records

New Haven City property record for 642 Elm St, New Haven, CT 06511

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 2,841 sqft · built 1900
Lot Size	0.12 acres (5,227 sqft)
Owner	Company Name on File
Last Sale	$27,500 (Dec 1974)
Tax Bill	$7,844 (2025)
Deeds & Mortgages	Feb 2025 Refinance Jan 2025 Refinance + 1 more
Flood Zone	Zone X (minimal risk)
APN	`318 0263 01300`

Property Details

APN / Parcel Number

Primary APN	`318 0263 01300`
Alternative APN	`NHVN M:318 B:0263 L:01300`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	13 Rooms
Units	2 Units
Stories	2 Stories
Building Area	2,841 sqft Living Area
Gross Area	5,204 sqft
1st Floor Area	1,149 sqft
Basement Area	1,149 sqft
Unfinished Basement	1,149 sqft

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1900
Architectural Style	Duplex Single
Exterior Material	Aluminum/Vinyl
Roof Type	Gable
Roof Material	Asphalt
Lot Area	5,227 sqft (0.12 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Oil

Location & Zoning

Account Number	318 0263 01300
Street Address	642 ELM ST
City	NEW HAVEN
State	CT
Zip	06511-4139
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RM2
Legal Block	263
Legal Lot Number	1300
Jurisdiction	NEW HAVEN CT
Township / Civil Division	NEW HAVEN
Census Block Group	2
Census Block	2003
Census Tract	140700

Historic Designation

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

Historic District	Within the Dwight Street Historic District listed 1983 · 595 contributing resources · NRIS 83001281

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

Owner

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

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

Owner of Record	Company Name on File
Mailing Address	642 ELM ST, NEW HAVEN, CT 06511-4139
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
Feb 20, 2025	Deed of Trust, Mortgage · Stand-Alone Refinance ONYX VENTURES LLC
Jan 6, 2025	Deed of Trust, Mortgage · Stand-Alone Refinance ONYX VENTURES LLC
Sep 4, 2024	Executor's Deed, Transfer

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 13, 1974 · Amount on Record
Deed Sale	Dec 13, 1974 · Amount on Record
Record Updated	Sep 20, 2026

February 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NEW HAVEN CT
Property Address	642 ELM ST, NEW HAVEN, CT 06511-4139
Transaction Type	Mortgage
Record Updated	Oct 23, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	010806-267
Date	Feb 20, 2025
Book Page	10806/267
Instrument	2025-01426

Lender

Name	ONYX VENTURES LLC

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded

January 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NEW HAVEN CT
Property Address	642 ELM ST, NEW HAVEN, CT 06511-4139
Transaction Type	Mortgage
Record Updated	Oct 23, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	010788-259
Date	Jan 6, 2025
Book Page	10788/259
Instrument	2025-00105

Lender

Name	ONYX VENTURES LLC

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded

September 2024: Executor's Deed, Transfer

Document Type	Executor's Deed
Jurisdiction	NEW HAVEN CT
Recording Date	Sep 4, 2024
Property Address	642 ELM ST, NEW HAVEN, CT 06511-4139
Document Number	010733-114
Book / Page	10733 / 114
Instrument Date	Aug 22, 2024
Instrument	2024-06943
Transaction Type	Transfer
Record Updated	Oct 23, 2025

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Tax Assessment & Valuation

Source: New Haven City assessment roll, as of June 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
2025	$7,844.00	$199,080 (-) Land $36,610 Building $162,470	$139,356 Land $25,627 Building $113,729
2024	$7,844.00 (+5.91%)
2023	$7,406.00 (-6.41%)	$199,080 (-) Land $36,610 Building $162,470
2022	$7,913.00	$199,080 Land $36,610 Building $162,470

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

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 628 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 USA.

Nearby Properties on Elm St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures