| Primary address | 644 Main Street, Port Jefferson |
| Zip code | 11777 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 8629665 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 11/09/2016 |
| Sale price | $401,000 |
| Arm's length | Register |
| Property tax | $15,008 |
| Building sqft | 3,860 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.16 |
| Year built | 1980 |
| Units | 2 |
| School district | Port Jefferson |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
644 Main Street, Port Jefferson, NY 11777 was built in 1980 and has a total of 3,860 square feet.
What is the assessed value of 644 Main Street, Port Jefferson, NY 11777 and the property tax paid?Assessed at $4,900, the tax amount paid for 644 Main Street, Port Jefferson, NY 11777 is $15,007.
When was 644 Main Street, Port Jefferson, NY 11777 last sold and what was the last sale price?644 Main Street, Port Jefferson, NY 11777 was last sold in 11/09/2016 for $401,000.
How many residential units does this building have?This building has 2 residential unit(s).
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 644 Main Street, Port Jefferson, including title documents, transfer conditions, mortgages and liens.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 644 Main Street, Port Jefferson, NY 11777. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $15,008 |
| Market value | $924,529 |
| Assessed value | $4,900 |
Here's the assessment & property tax history for 644 Main Street, Port Jefferson, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2025-2026 | $924,529 | $4,900 | 306.279 | $15,008 | +7.73% |
| 2024-2025 | $924,529 | $4,900 | 284.291 | $13,930 | +5.86% |
| 2023-2024 | $907,408 | $4,900 | 268.55 | $13,159 | +4.88% |
| 2022-2023 | $790,323 | $4,900 | 256.055 | $12,547 | +4.66% |
| 2021-2022 | $662,162 | $4,900 | 244.646 | $11,988 | +3.24% |
The complete history of permits filed for 644 Main Street, Port Jefferson, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Create a free account to unlock extended information for 644 Main Street, Port Jefferson, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 644 Main Street, Port Jefferson to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Maryhaven Center Of Hope | NR | Private | 47 | 0.35 | |
| Port Jefferson Elementary School | 5 | Public | PK, K-5 | 364 | 0.53 |
| Port Jefferson Elementary School | 5 | Public | PK, K-5 | 364 | 0.53 |
| Our Lady of Wisdom Regional School | NR | Private | PK-8 | 74 | 0.85 |
| Our Lady of Wisdom Regional School | NR | Private | PK-8 | 74 | 0.85 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Maryhaven Center Of Hope | NR | Private | 47 | 0.35 | |
| Port Jefferson Middle School | 7 | Public | 6-8 | 222 | 0.38 |
| Our Lady of Wisdom Regional School | NR | Private | PK-8 | 74 | 0.85 |
| John F Kennedy Middle School | 4 | Public | 4, 6-8 | 822 | 1.82 |
| The Laurel Hill School | NR | Private | PK-8 | 321 | 2.03 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Maryhaven Center Of Hope | NR | Private | 47 | 0.35 | |
| Earl L Vandermeulen High School | 9 | Public | 9-12 | 323 | 0.38 |
| Ward Melville Senior High School | 10 | Public | 9-12 | 1,507 | 1.79 |
| Mount Sinai High School | 9 | Public | 9-12 | 720 | 1.88 |
| Comsewogue High School | 6 | Public | 9-12 | 1,153 | 2.62 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 644 Main Street, Port Jefferson.