| Primary address | 21 Echo Avenue, Mount Sinai |
| Zip code | 11766 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 1122820 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/21/2022 |
| Sale price | $575,000 |
| Arm's length | Register |
| Property tax | $12,995 |
| Building sqft | 1,770 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.45 |
| Year built | 1970 |
| Rooms | 9 |
| Bedrooms | 4 |
| Bathrooms | 2 |
| Zoning district | Register |
| School district | Mount Sinai |
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:
21 Echo Avenue, Mount Sinai, NY 11766 was built in 1970 and has a total of 1,770 square feet.
What is the assessed value of 21 Echo Avenue, Mount Sinai, NY 11766 and the property tax paid?Assessed at $3,160, the tax amount paid for 21 Echo Avenue, Mount Sinai, NY 11766 is $12,994.
When was 21 Echo Avenue, Mount Sinai, NY 11766 last sold and what was the last sale price?21 Echo Avenue, Mount Sinai, NY 11766 was last sold in 06/21/2022 for $575,000.
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 21 Echo Avenue, Mount Sinai, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 21 Echo Avenue, Mount Sinai, NY 11766. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $12,995 |
| Market value | $596,227 |
| Assessed value | $3,160 |
Here's the assessment & property tax history for 21 Echo Avenue, Mount Sinai, 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 |
|---|---|---|---|---|---|
| 2024-2025 | $596,227 | $3,160 | 394.249 | $12,458 | +3.18% |
| 2023-2024 | $585,186 | $3,160 | 382.097 | $12,074 | +3.44% |
| 2022-2023 | $509,678 | $3,160 | 369.378 | $11,672 | +2.22% |
| 2021-2022 | $427,027 | $3,160 | 361.352 | $11,419 | +2.37% |
| 2020-2021 | $410,390 | $3,160 | 352.982 | $11,154 | +2.16% |
The complete history of permits filed for 21 Echo Avenue, Mount Sinai, 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 21 Echo Avenue, Mount Sinai, 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 21 Echo Avenue, Mount Sinai 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) |
|---|---|---|---|---|---|
| Mount Sinai Middle School | 5 | Public | 5-8 | 667 | 1.05 |
| Mount Sinai Elementary School | 7 | Public | K-4 | 659 | 1.11 |
| Sound Beach School | 4 | Public | 3-5 | 473 | 1.26 |
| Andrew Muller Primary School | NR | Public | K-2 | 468 | 1.52 |
| Port Jefferson Elementary School | 5 | Public | PK, K-5 | 364 | 2.77 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Mount Sinai Middle School | 5 | Public | 5-8 | 667 | 1.05 |
| North Country Road School | 5 | Public | 6-8 | 534 | 1.28 |
| Maryhaven Center Of Hope | NR | Private | 47 | 2.94 | |
| John F Kennedy Middle School | 4 | Public | 4, 6-8 | 822 | 2.97 |
| Rocky Point Middle School | 4 | Public | 6-8 | 638 | 3.27 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Miller Place High School | 9 | Public | 9-12 | 820 | 0.92 |
| Mount Sinai High School | 9 | Public | 9-12 | 720 | 1.28 |
| Comsewogue High School | 6 | Public | 9-12 | 1,153 | 2.86 |
| Maryhaven Center Of Hope | NR | Private | 47 | 2.94 | |
| Rocky Point High School | 7 | Public | 9-12 | 923 | 3.17 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Echo Avenue, Mount Sinai.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 282 Pipe Stave Hollow Rd, Mount Sinai | 1,814 | 02/19/2020 | $380,000 |
| 27 Jesse Way, Mount Sinai | 2,210 | ||
| 25 Echo Ave, Mount Sinai | 2,119 | 03/17/2011 | |
| 280 Pipe Stave Hollow Rd, Mount Sinai | 2,098 | 10/28/2005 | $445,000 |
| 23 Jesse Way, Mount Sinai | 2,928 | ||
| 276 Pipe Stave Hollow Rd, Mount Sinai | 2,084 | 08/09/2018 | |
| 17 Echo Ave, Mount Sinai | 1,494 | 10/28/2015 | $254,000 |
| 15 Echo Ave, Mount Sinai | 2,156 | 12/29/2009 | |
| 19 Jesse Way, Mount Sinai | 2,172 | 04/27/2018 | $505,000 |
| 17 Jesse Way, Mount Sinai | 3,230 | 11/07/2024 | |
| 278 Pipe Stave Hollow Rd, Mount Sinai | 2,119 | 01/16/2020 | |
| 4 Liso Dr, Mount Sinai | 2,119 | 08/19/2005 | $412,500 |
| 5 Liso Dr, Mount Sinai | 2,119 | ||
| 290 Pipe Stave Hollow Rd, Mount Sinai | 2,094 | ||
| 23 Echo Ave, Mount Sinai | 2,167 | 02/25/2019 | |
| 25 Jesse Way, Mount Sinai | 3,929 | ||
| 292 Pipe Stave Hollow Rd, Mount Sinai | 1,770 | 02/03/2012 | $384,400 |
| 19 Echo Ave, Mount Sinai | 1,806 | 10/05/2000 | $175,000 |
| 21 Jesse Way, Mount Sinai | 2,610 | 01/16/2025 | $1,050,000 |
| 15 Jesse Way, Mount Sinai | 2,391 | 12/19/2014 | $445,000 |