| Primary address | 20 Old Mill Lane, Tappan |
| Zip code | 10983 |
| County | Rockland |
| Municipality | Orangetown |
| Parcel ID | 77.7-1-30 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/22/2021 |
| Sale price | $10 |
| Arm's length | Register |
| Property tax | $8,820 |
| Building sqft | 1,461 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.39 |
| Year built | 1956 |
| Stories | 1 |
| Bedrooms | 3 |
| Bathrooms | 2 |
| Kitchen | 1 |
| Water supply | Comm/public |
| Sewer type | Comm/public |
| Building style | Split level |
| Condition | Normal |
| Basement type | Full |
| Exterior wall material | Wood |
| Heat | Hot water/steam |
| Fuel | Gas |
| Fireplaces | 1 |
| First story sqft | Register |
| Zoning district | Register |
| School district | South Orangetown |
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:
20 Old Mill Lane, Tappan, NY 10983 was built in 1956 and has a total of 1,461 square feet.
What is the assessed value of 20 Old Mill Lane, Tappan, NY 10983 and the property tax paid?Assessed at $173,300, the tax amount paid for 20 Old Mill Lane, Tappan, NY 10983 is $8,819.
When was 20 Old Mill Lane, Tappan, NY 10983 last sold and what was the last sale price?20 Old Mill Lane, Tappan, NY 10983 was last sold in 12/22/2021 for $10.
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 20 Old Mill Lane, Tappan, 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 20 Old Mill Lane, Tappan, NY 10983. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $8,820 |
| Market value | $543,431 |
| Assessed value | $173,300 |
Here's the assessment & property tax history for 20 Old Mill Lane, Tappan, 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 | $507,616 | $173,300 | 50.8921 | $8,820 | +100.84% |
| 2024 | $486,388 | $173,300 | 25.34 | $4,391 | -3.91% |
| 2023 | $462,380 | $173,300 | 26.37 | $4,570 | -9.63% |
| 2022 | $406,426 | $173,300 | 29.18 | $5,057 | +1.53% |
| 2021 | $412,128 | $173,300 | 28.74 | $4,981 | -1.41% |
Create a free account to unlock extended information for 20 Old Mill Lane, Tappan, 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 20 Old Mill Lane, Tappan 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 (miles) |
|---|---|---|---|---|---|
| William O Schaefer Elementary School | NR | Public | K-2 | 576 | 0.60 |
| Northvale Public School | 9 | Public | K-8 | 533 | 0.97 |
| Kindercare Learning Center #1519 | NR | Private | PK, K-1 | 25 | 1.78 |
| Kindercare Learning Center #1519 | NR | Private | PK, K-1 | 25 | 1.78 |
| St Dominic's School | NR | Private | 1-11 | 77 | 1.90 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Northvale Public School | 9 | Public | K-8 | 533 | 0.97 |
| Rockland Children's Psych Center | NR | Public | 7-12 | 16 | 1.81 |
| St Dominic's School | NR | Private | 1-11 | 77 | 1.90 |
| Northern Valley Region Iii | NR | Public | PK, K-12 | 197 | 2.23 |
| Norwood Elementary School | 9 | Public | PK, K-8 | 610 | 2.28 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Tappan Zee High School | 9 | Public | 9-12 | 953 | 1.61 |
| Rockland Children's Psych Center | NR | Public | 7-12 | 16 | 1.81 |
| St Dominic's School | NR | Private | 1-11 | 77 | 1.90 |
| Northern Valley Regional High School at Old Tappan | 9 | Public | 9-12 | 1,002 | 2.05 |
| Northern Valley Region Iii | NR | Public | PK, K-12 | 197 | 2.23 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 Old Mill Lane, Tappan.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 126 Pine Tree Ln, Tappan | 1,281 | 06/06/2013 | $392,500 |
| 136 Pine Tree Ln, Tappan | 1,281 | 08/07/2006 | $525,000 |
| 6 Old Mill Ln, Tappan | 2,135 | ||
| 23 Old Mill Ln, Tappan | 2,267 | 08/04/2017 | $499,000 |
| 2 Old Mill Ln, Tappan | 1,281 | 09/19/2022 | $435,000 |
| 25 Pine Tree Ln, Tappan | 1,281 | 09/17/1999 | $230,000 |
| 80 Pine Tree Ln, Tappan | 1,281 | 11/20/2023 | $225,000 |
| 265 Kings Hwy, Tappan | 1,739 | 01/22/2009 | $510,000 |
| 39 Pine Tree Ln, Tappan | 1,592 | 09/08/2016 | $413,900 |
| 104 Pine Tree Ln, Tappan | 1,913 | ||
| 16 Old Mill Ln, Tappan | 2,946 | 08/23/2001 | |
| 1 Pheasant Dr, Tappan | 1,764 | 04/26/2007 | $440,000 |
| 26 Old Mill Ln, Tappan | 1,281 | 11/20/2008 | $10 |
| 14 Autumn Dr, Tappan | 1,685 | 04/08/2025 | $650,000 |
| 10 Old Mill Ln, Tappan | 1,841 | ||
| 33 Pine Tree Ln, Tappan | 1,299 | 05/23/2011 | $295,000 |
| 24 Old Mill Ln, Tappan | 2,341 | 02/18/2020 | $10 |
| 96 Pine Tree Ln, Tappan | 1,281 | ||
| 108 Route 303, Tappan | 304,041 | 06/30/2023 | $49,600,000 |
| 90 Pine Tree Ln, Tappan | 1,281 |