850 20th St #205
About This Property
The manager has listed the unit size as 995 square feet.
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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 |
|---|---|---|---|
| Jan 9, 2020 | No longer available | - | |
| No longer available | |||
| Sep 22, 2019 | No longer available | - | |
| No longer available | |||
| Sep 19, 2019 | Listed | $449,900 | |
| Listed | |||
| | |||
|
Located across the street from campus! Walk everywhere! Laminate floors throughout and new carpeting in the bedrooms. All new appliances in the kitchen and newly remodeled master bath. Huge balcony perfect for enjoying the CO weather and beautiful Boulder views. This unit offers ample space with large bedrooms and great storage options! Located in a secured building with onsite maintenance and off-street parking, elevator, pool and rooftop access. It doesn't get better than this! The manager has listed the unit size as 995 square feet.
| |||
| Aug 10, 2019 | Price Decreased |
$469,900
↓ $10K
(2.1%) | |
| Price Decreased | |||
| Jul 8, 2019 | Price Decreased |
$479,900
↓ $10K
(2%) | |
| Price Decreased | |||
Property Highlights
Comparables
Status
Price/ft²
Listed On
Sold On
Past Sales
| Date | Unit | Beds | Baths | Sqft | Price | Closed | Listed By |
|---|---|---|---|---|---|---|---|
|
09/10/2026
|
1 Bed
|
1 Bath
|
720 ft²
|
$375,000
1 Bed
1 Bath
720 ft²
|
-
-
|
Hallie Rand
Coldwell Banker Realty 24
| |
|
05/12/2026
|
1 Bed
|
1 Bath
|
672 ft²
|
$320,000
1 Bed
1 Bath
672 ft²
|
$320,000
07/08/2026
|
Rene Vellinga
RE/MAX Alliance-Boulder
| |
|
04/02/2026
|
1 Bed
|
1 Bath
|
709 ft²
|
$400,000
1 Bed
1 Bath
709 ft²
|
-
-
|
Janet Leap
RE/MAX of Boulder, Inc
| |
|
03/16/2026
|
2 Bed
|
1 Bath
|
930 ft²
|
$650,000
2 Bed
1 Bath
930 ft²
|
-
-
|
John McElveen
milehimodern - Boulder
| |
|
07/22/2025
|
1 Bed
|
1 Bath
|
672 ft²
|
$395,000
1 Bed
1 Bath
672 ft²
|
$390,000
-1.27%
08/22/2025
|
Janet Leap
RE/MAX of Boulder, Inc
| |
|
06/08/2025
|
1 Bed
|
1 Bath
|
672 ft²
|
$500,000
1 Bed
1 Bath
672 ft²
|
-
-
|
Meghan O'Quinn
HomeSmart Realty
| |
|
06/07/2025
|
1 Bed
|
1 Bath
|
720 ft²
|
$395,000
1 Bed
1 Bath
720 ft²
|
$378,000
-4.30%
07/28/2025
|
Janet Leap
RE/MAX of Boulder, Inc
| |
|
05/29/2025
|
1 Bed
|
-
|
728 ft²
|
$425,000
1 Bed
-
728 ft²
|
$400,000
-5.88%
06/16/2025
|
Katie Robinson
RE/MAX Alliance
| |
|
05/29/2025
|
1 Bed
|
1 Bath
|
672 ft²
|
$375,000
1 Bed
1 Bath
672 ft²
|
-
-
|
Rene Vellinga
RE/MAX Alliance-Boulder
| |
|
08/13/2024
|
2 Bed
|
1 Bath
|
995 ft²
|
$520,000
2 Bed
1 Bath
995 ft²
|
$580,000
+11.54%
09/16/2024
|
Mark Bosley
RE/MAX Alliance-Boulder
| |
|
01/27/2024
|
1 Bed
|
1 Bath
|
672 ft²
|
$400,000
1 Bed
1 Bath
672 ft²
|
$375,000
-6.25%
03/15/2024
|
Thomas Precourt
RE/MAX Alliance on Walnut
| |
|
02/03/2022
|
1 Bed
|
1 Bath
|
672 ft²
|
$395,000
1 Bed
1 Bath
672 ft²
|
$405,000
+2.53%
03/15/2022
|
Jillian Fowler
The Agency - Boulder
| |
|
11/29/2021
|
1 Bed
|
1 Bath
|
728 ft²
|
$375,000
1 Bed
1 Bath
728 ft²
|
$367,597
-1.97%
01/04/2022
|
Jillian Fowler
The Agency - Boulder
| |
|
03/10/2021
|
2 Bed
|
2 Bath
|
930 ft²
|
$475,000
2 Bed
2 Bath
930 ft²
|
$475,000
08/02/2021
|
Janet Leap
RE/MAX of Boulder, Inc
| |
|
03/09/2021
|
2 Bed
|
2 Bath
|
930 ft²
|
$495,000
2 Bed
2 Bath
930 ft²
|
$490,000
-1.01%
05/10/2021
|
Marybeth Emerson
The Agency - Boulder
| |
|
04/15/2019
|
2 Bed
|
2 Bath
|
995 ft²
|
$489,900
2 Bed
2 Bath
995 ft²
|
-
-
|
-
| |
|
04/19/2019
|
1 Bed
|
1 Bath
|
571 ft²
|
$320,000
1 Bed
1 Bath
571 ft²
|
-
-
|
-
| |
|
11/27/2018
|
1 Bed
|
1 Bath
|
720 ft²
|
$310,000
1 Bed
1 Bath
720 ft²
|
-
-
|
-
| |
|
01/14/2018
|
1 Bed
|
1 Bath
|
720 ft²
|
$305,000
1 Bed
1 Bath
720 ft²
|
$298,500
-2.13%
03/30/2018
|
Jerry Malia
Century 21 Bear Facts Realty
| |
|
06/07/2017
|
2 Bed
|
2 Bath
|
860 ft²
|
$374,900
2 Bed
2 Bath
860 ft²
|
$389,000
+3.76%
07/18/2017
|
Martin Mata
Redfin Corporation
| |
|
04/18/2017
|
1 Bed
|
1 Bath
|
728 ft²
|
$300,000
1 Bed
1 Bath
728 ft²
|
$305,000
+1.67%
05/12/2017
|
Kelly Moye
Compass - Denver
| |
|
05/18/2016
|
1 Bed
|
1 Bath
|
728 ft²
|
$279,900
1 Bed
1 Bath
728 ft²
|
$295,000
+5.39%
06/08/2016
|
Brad Klein
8z Real Estate
| |
|
03/24/2016
|
2 Bed
|
2 Bath
|
995 ft²
|
$365,000
2 Bed
2 Bath
995 ft²
|
$425,000
+16.44%
04/11/2016
|
Sibyl Liedtke
milehimodern - Boulder
| |
|
04/09/2014
|
2 Bed
|
2 Bath
|
962 ft²
|
$269,000
2 Bed
2 Bath
962 ft²
|
$250,000
-7.06%
08/20/2014
|
John McElveen
milehimodern - Boulder
| |
|
05/14/2013
|
2 Bed
|
2 Bath
|
930 ft²
|
$250,000
2 Bed
2 Bath
930 ft²
|
$245,000
-2.00%
03/26/2014
|
Sue Iten
MB/Iten Realty Inc.
| |
|
04/09/2013
|
2 Bed
|
2 Bath
|
930 ft²
|
$299,900
2 Bed
2 Bath
930 ft²
|
$285,000
-4.97%
08/28/2013
|
Joel Ripmaster
Madison & Company Properties - Boulder
|
Building Info
Phone: 425-283-2930
Address: 335 Madison Avenue, New York, NY 10017