New Haven City property record for 42 Platt St, New Haven, CT 06511
| Property Type | Triplex |
|---|---|
| Details | 6 bd · 3 ba · 3,365 sqft · built 1900 |
| Lot Size | 0.1 acres (4,356 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $155,000 (Feb 2014) |
| Tax Bill | $6,255 (2025) |
| Deeds & Mortgages | Sep 2020 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 318 0263 01800 |
| Primary APN | 318 0263 01800 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 14 Rooms |
| Units | 3 Units |
| Stories | 3 Stories |
| Building Area | 3,365 sqft Living Area |
| Gross Area | 5,328 sqft |
| 1st Floor Area | 1,264 sqft |
| Basement Area | 1,264 sqft |
| Unfinished Basement | 1,264 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Other |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,356 sqft (0.1 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Account Number | 318 0263 01800 |
|---|---|
| Street Address | 42 PLATT ST |
| City | NEW HAVEN |
| State | CT |
| Zip | 06511-4113 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | RM2 |
| Legal Block | 263 |
| Legal Lot Number | 1800 |
| Jurisdiction | NEW HAVEN CT |
| Township / Civil Division | NEW HAVEN |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 140700 |
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.
Source: New Haven City records, 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 | Individual Name on Record |
|---|---|
| Mailing Address | 42 PLATT ST, NEW HAVEN, CT 06511-4113 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 14, 2014 · Amount on Record |
| Deed Sale | Feb 14, 2014 · Amount on Record |
| Deed Book / Page | 9110 / 319 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NEW HAVEN CT |
| Property Address | 42 PLATT ST, NEW HAVEN, CT 06511-4113 |
| Transaction Type | Mortgage |
| Record Updated | Mar 4, 2021 |
| Name | Verified Name |
|---|
| Document Number | 10056-15 |
|---|---|
| Date | Sep 24, 2020 |
| Book Page | 10056/15 |
| Instrument | 2020-07458 |
| Name | NEW HAVEN COUNTY CU |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Oct 1, 2035 |
Source: New Haven City assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision / Municipality | New Haven City |
| Unified School District | New Haven School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,255.00 | $158,760 (-) Land $35,910 Building $122,850 | $111,132 Land $25,137 Building $85,995 |
| 2024 | $6,255.00 (+5.91%) | ||
| 2023 | $5,906.00 (-6.42%) | $158,760 (-) Land $35,910 Building $122,850 | |
| 2022 | $6,311.00 | $158,760 Land $35,910 Building $122,850 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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.
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 |
| 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.
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.
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