Perfectly situated in Boulder, Colorado this home offers a great opportunity. With two dedicated parking spots off of Turner Alley, parking is always available and convenient. Tucked along Marine Street in one of Boulder's most sought-after neighborhoods, home offers great walkability, proximity to the University of Colorado and great investment potential. Boulder is now home to the Sundance Film Festival adding to the many perks and attractive qualities of living here. From the front door, take an easy stroll to Boulder Creek or head downtown to the infamous Pearl Street walking mall to enjoy world class dining, entertainment and night life. Just up the street, is access to Viewpoint Trail which leads to a wild expanse of City/County open space with various types of Front Range wildlife, trails and other recreational opportunities. Take a trip along Boulder creek and into the mountains on the Boulder Creek Path. Among the many options from this location, it's a quick trip up Boulder Canyon to Nederland and Eldora Ski Resort. This property is positioned to enjoy both the outdoors and the energy of downtown living. Step inside and experience a wealth natural light and amazing views of the Flatirons, creating a warm, inspiring and captivating feel throughout. The layout is comfortable and practical, whether you're planning to make it your own down the road or continue its proven use as a rental. The property has been rented successfully for years and is currently leased through July, offering immediate income for the next owner. With 2 bedrooms upstairs and 2 bedrooms on the lower level, the home is spatially beneficial for privacy and a multitude of living situations. Outside, a private fenced yard provides a quiet space to relax or entertain and the elevated deck showcases the beautiful views and proximity to the Flatirons and foothills. The walk out basement provides a separate entrance and the potential for a variety of uses.
Accepting backups
Price cut: $391K (4/16)
$1,199,000
623 Marine St, Boulder, CO 80302
4beds
2,659sqft
Single Family Residence
Built in 1984
4,322 Square Feet Lot
$-- Zestimate®
$451/sqft
$-- HOA
What's special
- 98 days |
- 644 |
- 16 |
Zillow last checked:
Listing updated:
Listed by:
Zack Scott 720-526-2891,
Homestead Real Estate, LLC
Source: IRES as distributed by MLS GRID,MLS#: 1054075
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
- Main level bathrooms: 1
Primary bedroom
- Description: Carpet
- Features: Shared Primary Bath, Full Primary Bath
- Level: Upper
- Area: 221 Square Feet
- Dimensions: 13 x 17
Bedroom 2
- Description: Carpet
- Level: Upper
- Area: 204 Square Feet
- Dimensions: 12 x 17
Bedroom 3
- Description: Carpet
- Level: Lower
- Area: 360 Square Feet
- Dimensions: 15 x 24
Bedroom 4
- Description: Carpet
- Level: Lower
- Area: 154 Square Feet
- Dimensions: 11 x 14
Dining room
- Description: Hardwood
- Level: Main
- Area: 195 Square Feet
- Dimensions: 13 x 15
Kitchen
- Description: Hardwood
- Level: Main
- Area: 99 Square Feet
- Dimensions: 9 x 11
Living room
- Description: Hardwood
- Level: Main
- Area: 247 Square Feet
- Dimensions: 13 x 19
Heating
- Hot Water, Baseboard
Appliances
- Included: Gas Range, Dishwasher, Refrigerator, Disposal
- Laundry: Washer/Dryer Hookup
Features
- Separate Dining Room, Open Floorplan, Jack & Jill Bathroom
- Flooring: Wood
- Windows: Window Coverings
- Basement: Full,Partially Finished,Walk-Out Access
- Has fireplace: Yes
- Fireplace features: Living Room
Interior area
- Total structure area: 2,617
- Total interior livable area: 2,659 sqft
- Finished area above ground: 1,696
- Finished area below ground: 921
Property
Parking
- Parking features: None
- Details: None
Accessibility
- Accessibility features: Level Lot, Near Bus
Features
- Levels: Two
- Stories: 2
- Patio & porch: Deck
- Fencing: Fenced,Wood
- Has view: Yes
- View description: Hills
Lot
- Size: 4,322 Square Feet
- Features: Deciduous Trees, Level, City Limits, Paved, Curbs, Gutters, Sidewalks, Street Light, Alley
Details
- Parcel number: R0095516
- Zoning: RMX-1
- Special conditions: Private Owner
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Frame, Composition
- Roof: Composition
Condition
- New construction: No
- Year built: 1984
Utilities & green energy
- Sewer: Public Sewer
- Water: City
- Utilities for property: Natural Gas Available, Electricity Available
Green energy
- Energy efficient items: Windows
Community & HOA
Community
- Security: Fire Alarm
- Subdivision: Aquamarine
HOA
- Has HOA: Yes
Location
- Region: Boulder
Financial & listing details
- Price per square foot: $451/sqft
- Tax assessed value: $1,548,700
- Annual tax amount: $9,310
- Date on market: 3/18/2026
- Listing terms: Cash,Conventional,VA Loan,1031 Exchange
- Exclusions: Tenants personal property
- Electric utility on property: Yes
- Road surface type: Concrete
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 6/14/2026 | Pending sale | $1,199,000$451/sqft |
Source:  REcolorado as distributed by MLS GRID #IR1054075 Report a problem | ||
| 4/16/2026 | Price change | $1,199,000-24.6%$451/sqft |
Source:  IRES as distributed by MLS GRID #1054075 Report a problem | ||
| 3/20/2026 | Listed for sale | $1,590,000+188.4%$598/sqft |
Source: IRES as distributed by MLS GRID #1054075 Report a problem | ||
| 4/6/2012 | Sold | $551,400-5.7%$207/sqft |
Source: IRES as distributed by MLS GRID #669643 Report a problem | ||
| 12/7/2011 | Price change | $585,000-2.1%$220/sqft |
Source: RE/MAX of Boulder #669643 Report a problem | ||
| 9/28/2011 | Price change | $597,420-5%$225/sqft |
Source: Coldwell Banker Residential Brokerage - Boulder #661927 Report a problem | ||
| 9/14/2011 | Price change | $628,600-2.9%$236/sqft |
Source: Coldwell Banker Residential Brokerage - Boulder #661927 Report a problem | ||
| 7/29/2011 | Listed for sale | $647,500-7.2%$244/sqft |
Source: Coldwell Banker Residential Brokerage - Boulder #661927 Report a problem | ||
| 7/3/2010 | Listing removed | $698,000$263/sqft |
Source: RE/MAX Alliance #621005 Report a problem | ||
| 8/16/2009 | Price change | $698,000-2.4%$263/sqft |
Source: RE/MAX Alliance #601374 Report a problem | ||
| 6/9/2009 | Listed for sale | $715,000$269/sqft |
Source: RE/MAX Alliance #601374 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $8,832 +1.8% | $96,794 -6.3% |
| 2024 | $8,677 +8.9% | $103,287 -1% |
| 2023 | $7,970 +4.8% | $104,289 +22.7% |
| 2022 | $7,604 +8.2% | $85,020 -2.8% |
| 2021 | $7,026 | $87,466 +8.4% |
| 2020 | $7,026 +13.9% | $80,716 |
| 2019 | $6,168 | $80,716 +13.5% |
| 2018 | $6,168 | $71,143 -9.5% |
| 2017 | $6,168 +15.1% | $78,653 +27.1% |
| 2016 | $5,358 +5.6% | $61,897 +41% |
| 2015 | $5,074 +37.5% | $43,891 |
| 2014 | $3,690 +21.4% | $43,891 -18.4% |
| 2013 | $3,041 -17.3% | $53,801 +21.6% |
| 2012 | $3,675 -5.3% | $44,257 |
| 2011 | $3,880 +7.1% | -- |
| 2010 | $3,623 +23.9% | $48,000 |
| 2009 | $2,923 +3.5% | $48,000 -12.5% |
| 2008 | $2,823 +28.1% | $54,840 |
| 2007 | $2,205 -17.9% | $54,840 +25.6% |
| 2006 | $2,686 +7% | $43,650 |
| 2005 | $2,510 +0.7% | $43,650 +6.2% |
| 2004 | $2,492 -0.8% | $41,090 |
| 2003 | $2,512 +10.3% | $41,090 +14.1% |
| 2002 | $2,277 | $36,000 -90.8% |
| 2001 | -- | $393,400 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: Flatirons
Nearby schools
GreatSchools rating
- 6/10Flatirons Elementary SchoolGrades: K-5Distance: 0.3 mi
- 5/10Manhattan Middle School Of The Arts And AcademicsGrades: 6-8Distance: 3.3 mi
- 10/10Boulder High SchoolGrades: 9-12Distance: 0.5 mi
Schools provided by the listing agent
- Elementary: Flatirons
- Middle: Manhattan
- High: Boulder
Source: IRES as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
- Colorado
- Boulder County
- Boulder
- 80302
- Flatirons
- 623 Marine St
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