| Primary address | 21 Elm Avenue, Glen Cove |
| Zip code | 11542 |
| County | Nassau |
| Town/City | Glen Cove |
| Village (swiss code) | Glen Cove |
| Parcel ID | 23-J01-110 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 2,194 |
| Building class | Two Family Year - Round Residence (220.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 0.305 |
| Buildings on lot | 1 |
| Year built | 1900 |
| Stories | 2 |
| Style | Colonial |
| Rooms | 7 |
| Bathrooms | 2 |
| Half bathrooms | 1 |
| Attic | Unfinished |
| Basement | Full |
| Exterior wall | Alum/Vinyl |
| Heating type | Central |
| Heating system | Forced hot air |
| Fireplace | 1 |
| Zoning district | Register (See more on map) |
| School district | Glen Cove |
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 Elm Avenue, Glen Cove, NY 11542 was built in 1900 and has a total of 2,194 square feet.
What is the assessed value of 21 Elm Avenue, Glen Cove, NY 11542 and the property tax paid?Assessed at $480, the tax amount paid for 21 Elm Avenue, Glen Cove, NY 11542 is $838.
When was 21 Elm Avenue, Glen Cove, NY 11542 last sold and what was the last sale price?21 Elm Avenue, Glen Cove, NY 11542 was last sold in 08/28/2025 for $873,000.
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 21 Elm Avenue, Glen Cove, 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 21 Elm Avenue, Glen Cove, NY 11542. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $839 |
| Tax class | Register |
| Market value | $480,000 |
| Assessed value | $480 |
Here's the assessment & property tax history for 21 Elm Avenue, Glen Cove, 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 | $480,000 | $480 | 174.77 | $839 | -8.23% |
| 2025 | $480,000 | $480 | 190.443 | $914 | -13.82% |
| 2024 | $480,000 | $480 | 220.977 | $1,061 | -3.80% |
| 2023 | $480,000 | $480 | 229.713 | $1,103 | +10.25% |
| 2022 | $480,000 | $480 | 208.364 | $1,000 | -34.65% |
The complete history of permits filed for 21 Elm Avenue, Glen Cove, 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.
Access a detailed real estate market overview of Glen Cove so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Glen Cove and compare it to other neighborhoods in Nassau County.
Check out recently sold homes in Glen-Cove and see how their prices compare.
Create a free account to unlock extended information for 21 Elm Avenue, Glen Cove, 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 Elm Avenue, Glen Cove 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) |
|---|---|---|---|---|---|
| All Saints Regional Catholic School | NR | Private | PK-8 | 166 | 0.21 |
| All Saints Regional Catholic School | NR | Private | PK-8 | 166 | 0.21 |
| Connolly School | 3 | Public | 3-5 | 305 | 0.67 |
| Tiegerman Elementary School | NR | Private | 1-5 | 136 | 0.93 |
| Deasy School | NR | Public | PK, K-2 | 364 | 0.99 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| All Saints Regional Catholic School | NR | Private | PK-8 | 166 | 0.21 |
| Robert M Finley Middle School | 5 | Public | 6-8 | 710 | 0.96 |
| Friends Academy | NR | Private | PK-12 | 765 | 1.25 |
| North Shore Day School | NR | Private | 0 | 1.76 | |
| North Shore Middle School | 9 | Public | K-8 | 646 | 1.81 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Friends Academy | NR | Private | PK-12 | 765 | 1.25 |
| Glen Cove High School | 5 | Public | 9-12 | 1,050 | 1.51 |
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 1.57 |
| North Shore Day School | NR | Private | 0 | 1.76 | |
| Portledge School | NR | Private | PK-12 | 522 | 2.03 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Elm Avenue, Glen Cove.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1 Johnell Pl, Glen Cove | 2,352 | 12/12/2006 | |
| 37 Elm Ave, Glen Cove | 1,056 | 03/24/2008 | |
| 11 Raynam Rd, Glen Cove | 4,494 | 03/07/2025 | |
| 33 Elm Ave, Glen Cove | 1,878 | ||
| 25 Elm Ave, Glen Cove | 2,062 | 08/13/2021 | $752,000 |
| 115 Duck Pond Rd, Glen Cove | 2,738 | 07/28/2025 | $1,300,000 |
| 5 Johnell Pl, Glen Cove | 1,648 | 12/10/2013 | $350,000 |
| 5 Meadow Springs Ln, Glen Cove | 4,405 | 09/15/2021 | $1,325,000 |
| 263 Duck Pond Rd, Locust Valley | 2,917 | ||
| 31 Elm Ave, Glen Cove | 1,245 | 11/14/2022 | |
| 4 Meadow Spring Rd, Glen Cove | 7,056 | 01/31/2023 | $1,905,000 |
| 19 Elm Ave, Glen Cove | 4,554 | 07/20/2013 | $250,000 |
| 43 Elm Ave, Glen Cove | 3,600 | 06/13/2013 | |
| 11 Elm Ave, Glen Cove | 2,110 | 03/26/2025 | $475,000 |
| 19 Russell Ln, Glen Cove | 1,428 | 09/12/2024 | $380,000 |
| 35 Elm Ave, Glen Cove | 1,506 | 02/08/2002 | $275,000 |
| 265 Duck Pond Rd, Locust Valley | 4,426 | 02/03/2016 | $995,000 |
| 45 Elm Ave, Glen Cove | 3,154 | 02/14/2014 | |
| 7 Meadow Spring Rd, Glen Cove | 4,965 | 01/18/2006 | $3,325,000 |
| 12 Rayham Rd, Glen Cove | 4,063 | 11/01/2024 | $1,900,000 |