20 Willis St, New Haven, CT 06511 Property Records

New Haven City property record for 20 Willis St, New Haven, CT 06511

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,820 sqft · built 1900
Lot Size	0.09 acres (3,920 sqft)
Owner	Individual Name on File
Last Sale	$30,000 (Dec 1995)
Tax Bill	$5,337 (2026)
Deeds & Mortgages	Jul 2022 Refinance Jun 2018 Transfer
Flood Zone	Zone X (minimal risk)
APN	`324 0477 01700`

Property Details

APN / Parcel Number

Primary APN	`324 0477 01700`
Alternative APN	`NHVN M:324 B:0477 L:01700`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Units	2 Units
Stories	2 Stories
Building Area	1,820 sqft Living Area
Gross Area	3,612 sqft
1st Floor Area	1,008 sqft
Attic	Attic
Attic Area	616 sqft
Basement Area	1,008 sqft
Unfinished Basement	1,008 sqft

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1900
Architectural Style	Duplex Single
Exterior Material	Other
Roof Type	Gable
Roof Material	Asphalt
Lot Area	3,920 sqft (0.09 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Oil

Location & Zoning

Account Number	324 0477 01700
Street Address	20 WILLIS ST
City	NEW HAVEN
State	CT
Zip	06511-1741
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RM2
Legal Block	477
Legal Lot Number	1700
Jurisdiction	NEW HAVEN CT
Township / Civil Division	NEW HAVEN
Census Block Group	7
Census Block	7000
Census Tract	141500

Historic Designation

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

Historic District	Within the Winchester Repeating Arms Company Historic District (Boundary Increase) listed 2015 · 1,215 contributing resources · NRIS 13000898

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

Owner

20 Willis St, a duplex, is owned by an individual who bought it in December 1995.

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

Owner of Record	Individual Name on File
Mailing Address	15 SACHEM DR, SHELTON, CT 06484-1756
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Date	Document
Jul 8, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance AMERICAN FINANCING
Jun 15, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 28, 1995 · Amount on File
Deed Sale	Dec 28, 1995 · Amount on File
Deed Book / Page	4947 / 304
Record Updated	Oct 29, 2026

July 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NEW HAVEN CT
Property Address	20 WILLIS ST, NEW HAVEN, CT 06511-1741
Transaction Type	Mortgage
Record Updated	Jul 21, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	010407-271
Date	Jul 8, 2022
Book Page	10407/271
Instrument	2022-06861

Lender

Name	AMERICAN FINANCING

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2052

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NEW HAVEN CT
Recording Date	Jun 15, 2018
Property Address	20 WILLIS ST, NEW HAVEN, CT 06511-1741
Document Number	9729-204
Book / Page	009729 / 000204
Instrument Date	May 26, 2018
Instrument	5288
Transaction Type	Transfer
Record Updated	Jul 3, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	15 SACHEM DR SHELTON CT 064841756, SHELTON, CT 06484-1756

Tax Assessment & Valuation

The 2026 property tax bill for 20 Willis St was $5,337, up 1.4% from the year before.

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	$5,337.00 (+1.43%)	$133,560 (-) Land $31,920 Building $101,640	$267,884 (+186.53%)
2025	$5,262.00	$133,560 Land $31,920 Building $101,640	$93,492 Land $22,344 Building $71,148
2024	$5,262.00 (+5.92%)
2023	$4,968.00 (-6.42%)	$133,560 (-) Land $31,920 Building $101,640
2022	$5,309.00	$133,560 Land $31,920 Building $101,640

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 20 Willis St in Zone X, an area of minimal flood risk.

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

Wildfire risk around 20 Willis St is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · above 55% of Connecticut
Wildfire Likelihood	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 900 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
AT&T Fixed Wireless	100 / 20

May also be available: GoNetspeed, T-Mobile, Verizon.

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