16
Map
21 Mount Tom Ave #21
About This Property
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Cap Rate Calculator
What does this mean?
Based on our analysis, the cap rate of this property is 1.25%. A negative cap rate indicates that the property might not be feasible as an income-producing asset. The median cap rate for a near zip code 11238 is 4.23%.
How much can I actually make?
Actual monthly rental income may vary between $4,760 and $7,140 depending on unit-specific characteristics. You can change the amount using the slider to further explore.
How is cap rate calculated?
Cap Rate = Net Operating Income (NOI) / Property Asset Value.
When calculating the cap rate, we assume 100% occupancy. Leverage (mortgage) is not considered.
Cap Rate provided by RealtyHop and RentHop, learn more about cap rate here.
Price History
| Date / Event | Date | Event | Price |
|---|---|---|---|
| Aug 28, 2025 | Sold | ||
| Sold | |||
| Jul 9, 2025 | In contract | - | |
| In contract | |||
| Jun 3, 2025 | Price Decreased |
$299,000
↓ $11K
(3.5%) | |
| Price Decreased | |||
| May 13, 2025 | Listed by Coldwell Banker Community REALTORS® | $309,900 | |
| Listed by Coldwell Banker Community REALTORS® | |||
| Apr 18, 2019 | Sold | ||
| Sold | |||
Property Highlights
Comparables
Status
Price/ft²
Listed On
Sold On
Past Sales
| Date | Unit | Beds | Baths | Sqft | Price | Closed | Listed By |
|---|---|---|---|---|---|---|---|
|
05/13/2025
|
2 Bed
|
2 Bath
|
1013 ft²
|
$309,900
2 Bed
2 Bath
1013 ft²
|
$282,000
-9.00%
08/28/2025
|
Bradley McGrath
Coldwell Banker Community REALTORS®
| |
|
02/05/2019
|
2 Bed
|
2 Bath
|
1013 ft²
|
$154,000
2 Bed
2 Bath
1013 ft²
|
$149,000
-3.25%
04/18/2019
|
Peter Davies
Borawski Real Estate
| |
|
06/13/2005
|
2 Bed
|
2 Bath
|
1125 ft²
|
$130,500
2 Bed
2 Bath
1125 ft²
|
$131,000
+0.38%
09/01/2005
|
David Gagne
Coldwell Banker Upton-Massamont REALTORS®
|
Building Info
Phone: 425-283-2930
Address: 335 Madison Avenue, New York, NY 10017