1825 Marine St #8
About This Property
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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 |
|---|---|---|---|
| Oct 2, 2025 | Sold | ||
| Sold | |||
| Sep 19, 2025 | In contract | - | |
| In contract | |||
| Sep 3, 2025 | No longer available | - | |
| No longer available | |||
| Jul 10, 2025 | Withdrawn | - | |
| Withdrawn | |||
| Jul 10, 2025 | Listed by Coldwell Banker Realty 02 | $330,000 | |
| Listed by Coldwell Banker Realty 02 | |||
| | |||
|
Walk to CU, Walk to everything Boulder has to offer. Bright, south-facing end-unit condo in the heart of Boulder, where playful design meets stunning Flatiron views. Recently updated and move-in ready, this one-bedroom gem feels open and spacious thanks to its high ceilings, airy floor plan, and abundant natural light. Enjoy breathtaking mountain views from your living room and front deck - perfect for savoring a morning coffee or catching the sunset. The versatile loft-style layout includes a second-level bedroom or office with a solar-powered skylight, plus an additional cozy third-level loft space for creative use. Brand new $10,000 mini split AC unit as of july 25'. Recent updates include luxury vinyl plank flooring, plush new carpet, and a spa-inspired shower panel for a luxurious vibe. A private storage room is conveniently located off the common laundry area.This well-maintained building offers an unbeatable location: just steps to CU campus, downtown Boulder, 29th Street shops, Naropa, and countless local trails and cafes. ASK ABOUT AN INTEREST RATE BUY DOWN PAID BY THE SELLER. Condo qualifies for a non conforming loan only. Buy down to cover small increase in loan. Schedule your showing today - this Boulder treasure won't last long!
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Property Highlights
Comparables
Status
Price/ft²
Listed On
Sold On
Past Sales
| Date | Unit | Beds | Baths | Sqft | Price | Closed | Listed By |
|---|---|---|---|---|---|---|---|
|
05/01/2026
|
1 Bed
|
1 Bath
|
412 ft²
|
$325,000
1 Bed
1 Bath
412 ft²
|
-
-
|
Tara Armijo
Milehimodern
| |
|
05/06/2025
|
1 Bed
|
1 Bath
|
412 ft²
|
$339,500
1 Bed
1 Bath
412 ft²
|
-
-
|
Alex Jacobson
Compass - Boulder
| |
|
04/18/2024
|
1 Bed
|
1 Bath
|
462 ft²
|
$349,000
1 Bed
1 Bath
462 ft²
|
-
-
|
Karla Bielanski
RE/MAX of Boulder
| |
|
06/07/2023
|
1 Bed
|
1 Bath
|
440 ft²
|
$375,000
1 Bed
1 Bath
440 ft²
|
$367,500
-2.00%
07/07/2023
|
Brian Hellwig
RE/MAX of Boulder
| |
|
10/19/2022
|
1 Bed
|
1 Bath
|
412 ft²
|
$285,000
1 Bed
1 Bath
412 ft²
|
-
-
|
EmpowerHome Team Colorado
KELLER WILLIAMS REALTY NORTHERN COLORADO
| |
|
04/01/2021
|
1 Bed
|
1 Bath
|
441 ft²
|
$329,000
1 Bed
1 Bath
441 ft²
|
$324,000
-1.52%
06/21/2021
|
Stephanie N Watson
Porchlight RE Group-Boulder
| |
|
11/16/2017
|
1 Bed
|
1 Bath
|
440 ft²
|
$295,000
1 Bed
1 Bath
440 ft²
|
$295,000
12/15/2017
|
Craig Peterson
Resident Realty North Metro
| |
|
06/17/2016
|
1 Bed
|
1 Bath
|
512 ft²
|
$258,900
1 Bed
1 Bath
512 ft²
|
$258,900
11/29/2016
|
Jamie Zimmerman
RE/MAX Alliance-Boulder
| |
|
03/19/2013
|
1 Bed
|
1 Bath
|
440 ft²
|
$159,900
1 Bed
1 Bath
440 ft²
|
$153,500
-4.00%
05/03/2013
|
Judith Herr
Boulder Area Realty, LLC
| |
|
05/07/2012
|
1 Bed
|
1 Bath
|
440 ft²
|
$140,000
1 Bed
1 Bath
440 ft²
|
$142,500
+1.79%
08/14/2012
|
Mary Ellen Wood
Compass - Boulder
|
Building Info
Phone: 425-283-2930
Address: 335 Madison Avenue, New York, NY 10017