| Primary address | 635 Round Swamp Road, Old Bethpage |
| Zip code | 11804 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | None (unincorporated town) |
| Parcel ID | 47-153-3 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Tax class | Register |
| Building sqft | 40,770 |
| Building class | Town (652.74) |
| Acreage | 18.6 |
| Buildings on lot | 2 |
| Year built | 1980 |
| Stories | 1 |
| Zoning district | Register (See more on map) |
| Capitalization rate | Register |
| Street | Paved |
| Traffic | Medium |
| Area type | Commercial/Industrial park |
| School district | Old Bethpage |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
| Square footage | Structure | Grade | Year built | Stories |
|---|---|---|---|---|
| 40,770 | Warehouse 20001-45k | C | 1980 | 1 |
| 12,519 | Warehouse 10k-20k sf | C | 1970 | 1 |
| Floors | Square footage | Use | Construction | Condition | Exterior wall | Heating | Plumbing |
|---|---|---|---|---|---|---|---|
| 01-01 | 12,519 | Whse 10,001 - 20,000 sf | Register | Register | Register | Register | Register |
| 01-01 | 40,770 | Whse 20,001 - 45,000 sf | Register | Register | Register | Register | Register |
Find the size and usage for each floor in the building, plus corresponding details on construction type, physical condition, heating, and plumbing.
Check out a breakdown by type of rentable square feet and the rent charged for each, including detailed info on expenses, gross/net income, income and expense rate.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
635 Round Swamp Road, Old Bethpage, NY 11804 was built in 1980 and has a total of 40,770 square feet.
What is the assessed value of 635 Round Swamp Road, Old Bethpage, NY 11804?The assessed market value for the current tax year is $196,836.
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 635 Round Swamp Road, Old Bethpage, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 635 Round Swamp Road, Old Bethpage, NY 11804. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $0 |
| Market value | $19,683,600 |
| Assessed value | $196,836 |
Here's the assessment & property tax history for 635 Round Swamp Road, Old Bethpage, 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 |
|---|---|---|---|---|---|
| 2026 | $19,683,600 | $196,836 | n/a | ||
| 2025 | $19,683,600 | $196,836 | n/a | ||
| 2024 | $19,683,634 | $196,836 | 783.483 | $1,433,194 | n/a |
| 2023 | $19,683,600 | $196,836 | n/a | ||
| 2022 | $19,683,600 | $196,836 | n/a |
The complete history of permits filed for 635 Round Swamp Road, Old Bethpage, 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 635 Round Swamp Road, Old Bethpage, 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 635 Round Swamp Road, Old Bethpage 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) |
|---|---|---|---|---|---|
| Northside Elementary School | 7 | Public | K-5 | 381 | 0.94 |
| Old Bethpage School | 9 | Public | K-4 | 435 | 1.15 |
| Charles Campagne School | 7 | Public | K-5 | 402 | 1.28 |
| St John Baptist De Lasalle Regional School | NR | Private | PK, K-8 | 214 | 1.52 |
| St John Baptist De Lasalle Regional School | NR | Private | PK, K-8 | 214 | 1.52 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| John F Kennedy Middle School | 8 | Public | 6-8 | 717 | 1.45 |
| St John Baptist De Lasalle Regional School | NR | Private | PK, K-8 | 214 | 1.52 |
| Howitt School | 6 | Public | 6-8 | 1,199 | 1.55 |
| Miss Sue's Nursery School and Kindergarten | NR | Private | 0 | 1.76 | |
| H B Mattlin Middle School | 8 | Public | 5-8 | 772 | 1.96 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Bethpage Senior High School | 9 | Public | 9-12 | 932 | 1.58 |
| Miss Sue's Nursery School and Kindergarten | NR | Private | 0 | 1.76 | |
| Plainview Old Bethpage JFK High School | 10 | Public | 9-12 | 1,649 | 2.09 |
| New Jerusalem Christian Academy | NR | Private | 1-12 | 20 | 2.34 |
| Good Shepherd Lutheran School | NR | Private | 0 | 2.35 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 635 Round Swamp Road, Old Bethpage.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 101 Bethpage Rd, Oyster Bay | 38,600 | ||
| 3680 Clarmont Rd, Old Bethpage | 4,130 | 12/13/1995 | $195,000 |
| 4 Claremont Rd, Old Bethpage | 2,628 | 01/27/2014 | |
| 6 Claremont Rd, Old Bethpage | 2,697 | 03/22/2021 | $712,000 |
| 90 Battle Row, Old Bethpage | 2,590 | 12/15/2021 | |
| 2 Jeanna CT, Old Bethpage | 1,940 | ||
| 4 Jeanna CT, Old Bethpage | 1,940 | ||
| 14 Battle Row, Old Bethpage | 3,135 | 10/14/2025 | $1,200,000 |
| 8 Jeanna CT, Old Bethpage | 1,940 | ||
| 2 Claremont St, Old Bethpage | 2,166 | 07/27/2005 | $602,500 |
| 42 Fairway Dr, Old Bethpage | 1,872 | ||
| 960 Round Swamp Rd, Old Bethpage | 2,374 | 06/04/2014 | |
| 12 Motor Ln, Old Bethpage | 1,940 | 05/13/1993 | $222,500 |
| 6 Jeanna CT, Old Bethpage | 2,236 | 02/12/2014 | |
| 300 Winding Rd, Old Bethpage | 50,544 | ||
| 14 Motor Ln, Old Bethpage | 2,333 | 07/19/2007 | $713,000 |
| 101 Round Swamp Rd, Old Bethpage | 19,292 | ||
| 12 Battle Row, Old Bethpage | 2,687 | 04/29/2025 | $995,000 |
| 958 Round Swamp Rd, Old Bethpage | 4,937 | ||
| 956 Round Swamp Rd, Old Bethpage | 1,341 |