New Haven City property record for 18 Lines St, New Haven, CT 06519
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3 ba · 2,310 sqft · built 1900 |
| Lot Size | 0.09 acres (3,920 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,743 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 302 0073 00800 |
| Primary APN | 302 0073 00800 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 13 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,310 sqft Living Area |
| Gross Area | 3,788 sqft |
| 1st Floor Area | 924 sqft |
| Basement Area | 924 sqft |
| Unfinished Basement | 924 sqft |
| Game Room | Game Room |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Duplex Single |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 3,920 sqft (0.09 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Account Number | 302 0073 00800 |
|---|---|
| Street Address | 18 LINES ST |
| City | NEW HAVEN |
| State | CT |
| Zip | 06519-1959 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RM2 |
| Legal Block | 73 |
| Legal Lot Number | 800 |
| Jurisdiction | NEW HAVEN CT |
| Township / Civil Division | NEW HAVEN |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 140500 |
18 Lines St, a duplex, is owned and occupied by two individuals.
Source: New Haven City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18 LINES ST, NEW HAVEN, CT 06519-1959 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 18 Lines St was $5,743, up 1.4% from the year before.
Source: New Haven City assessment roll, as of September 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 |
|---|---|---|---|
| 2026 | $5,743.00 (+1.43%) | $143,710 (-) Land $23,100 Building $120,610 | $334,919 (+232.93%) |
| 2025 | $5,662.00 | $143,710 Land $23,100 Building $120,610 | $100,597 Land $16,170 Building $84,427 |
| 2024 | $5,662.00 (+5.91%) | ||
| 2023 | $5,346.00 (-6.41%) | $143,710 (-) Land $23,100 Building $120,610 | |
| 2022 | $5,712.00 | $143,710 Land $23,100 Building $120,610 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18 Lines 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.
The area around 18 Lines St has no burnable land within ember reach, so its wildfire risk is not rated.
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 564 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: T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures