$375,000
1 Bed
1 Bath
720 sqft
850 20th Street #404, Boulder, CO 80302
Est. Mortgage $2,802/mo*
Get Pre-QualifiedWe estimate this home will sell faster than 81% nearby.
Home Highlights
Condo
Built in 1967
$521/sqft
1 Parking Spaces
HOA $559/mo
Local Information
- Map ViewExplore the area around 850 20th Street #404.
- Schools1 Elementary School1 Middle School1 High School
- Shop & Eat
-- mins to
About this House
A Smart Investment in the Heart of Boulder
Location, convenience, and long-term value come together in this well-positioned 1-bedroom, 1-bath condo in the quiet and secure San Marco North building. Just steps from CU Boulder, this property offers an ideal opportunity for buyers seeking a low-maintenance investment in one of Boulder’s most desirable and consistently sought-after locations.
The location is truly hard to beat—with CU campus, Chautauqua, hiking and biking trails, The Hill, and Downtown Boulder all nearby. Whether you're looking for a property to enjoy yourself or a strategically located real estate investment, this condo offers the lifestyle and accessibility that help support enduring demand.
The private outdoor deck extends the living space and provides peek-a-boo views of the mountains and CU campus. Residents also enjoy a secure building entrance, elevator access, common laundry, a storage locker, and one reserved parking space—valuable conveniences in Boulder.
One of the property's standout features is the common rooftop terrace, where breathtaking panoramic views stretch across Boulder’s city lights and the iconic Flatirons.
HOA dues include heat and water/sewer, helping simplify ownership and provide greater predictability for monthly expenses.
For buyers looking beyond simply purchasing a home, this is an opportunity to own a piece of Boulder real estate in a location with enduring appeal. With its proximity to CU, outdoor recreation, Downtown Boulder, and everyday amenities, San Marco North offers the combination of location and convenience that can make a property a compelling long-term investment.
An exceptional Boulder location. A low-maintenance lifestyle. A smart addition to your real estate portfolio.
Location, convenience, and long-term value come together in this well-positioned 1-bedroom, 1-bath condo in the quiet and secure San Marco North building. Just steps from CU Boulder, this property offers an ideal opportunity for buyers seeking a low-maintenance investment in one of Boulder’s most desirable and consistently sought-after locations.
The location is truly hard to beat—with CU campus, Chautauqua, hiking and biking trails, The Hill, and Downtown Boulder all nearby. Whether you're looking for a property to enjoy yourself or a strategically located real estate investment, this condo offers the lifestyle and accessibility that help support enduring demand.
The private outdoor deck extends the living space and provides peek-a-boo views of the mountains and CU campus. Residents also enjoy a secure building entrance, elevator access, common laundry, a storage locker, and one reserved parking space—valuable conveniences in Boulder.
One of the property's standout features is the common rooftop terrace, where breathtaking panoramic views stretch across Boulder’s city lights and the iconic Flatirons.
HOA dues include heat and water/sewer, helping simplify ownership and provide greater predictability for monthly expenses.
For buyers looking beyond simply purchasing a home, this is an opportunity to own a piece of Boulder real estate in a location with enduring appeal. With its proximity to CU, outdoor recreation, Downtown Boulder, and everyday amenities, San Marco North offers the combination of location and convenience that can make a property a compelling long-term investment.
An exceptional Boulder location. A low-maintenance lifestyle. A smart addition to your real estate portfolio.
Last check for updates: about 2 hours ago
Listing courtesy of Hallie Rand, (720) 810-2931
Coldwell Banker Realty 24
Source: REcolorado as distributed by MLS GRID, MLS#1584266
Also Listed on REcolorado as distributed by MLS GRID.
We estimate this home will sell faster than 81% nearby.
Home Details for 850 20th Street #404
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Interior Details Number of Rooms: 4Types of Rooms: Bedroom, Bathroom, Kitchen, Living Room |
Beds & Baths Number of Bedrooms: 1Main Level Bedrooms: 1Number of Bathrooms: 1Number of Bathrooms (full): 1Number of Bathrooms (main level): 1 |
Dimensions and Layout Living Area: 720 Square Feet |
Appliances & Utilities Appliances: Convection Oven, Cooktop, RefrigeratorRefrigerator |
Heating & Cooling Heating: BaseboardHas CoolingAir Conditioning: Air Conditioning-RoomHas HeatingHeating Fuel: Baseboard |
Windows, Doors, Floors & Walls Common Walls: End Unit |
Levels, Entrance, & Accessibility Stories: 1Levels: One |
View No View |
Security Security: 24 Hour Security, Key Card Entry, Security Entrance |
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Exterior Home Features Roof: OtherExterior: Balcony |
Parking & Garage Other Parking: Reserved Spaces: 1No Attached GarageParking Spaces: 1 |
Frontage Not on Waterfront |
Water & Sewer Sewer: Public Sewer |
Finished Area Finished Area (above surface): 720 Square Feet |
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Days on Market: 14 |
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Year Built Year Built: 1967 |
Property Type / Style Property Type: ResidentialProperty Subtype: CondominiumStructure Type: Mid Rise (4-7)Architecture: Mid Rise (4-7) |
Building Construction Materials: BrickAttached To Another Structure |
Property Information Not Included in Sale: NoneParcel Number: R0083147 |
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Price List Price: $375,000Price Per Sqft: $521 |
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MLS Status: Active |
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Direction & Address City: BoulderCommunity: San Marco North Condominiums |
School Information Elementary School: FlatironsElementary School District: Boulder Valley RE 2Jr High / Middle School: ManhattanJr High / Middle School District: Boulder Valley RE 2High School: BoulderHigh School District: Boulder Valley RE 2 |
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Listing Agent Listing ID: 1584266 |
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Building Area Building Area: 720 Square Feet |
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Not Senior Community |
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HOA Fee Includes: Reserve Fund, Heat, Maintenance Structure, Security, Trash, WaterHOA Name: San Marco North HOAHOA Phone: 303-818-2407Has an HOAHOA Fee: $559/Monthly |
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Special Conditions: Standard |
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Listing Terms: Cash, Conventional |
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Mobile Home Park Mobile Home Units: Feet |
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Business Information Ownership: Individual |
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Mls Number: 1584266Attribution Contact: 720-810-2931Above Grade Unfinished Area: 720Showing Service Name: Supra One |
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HOA Amenities: Elevator(s),Fitness Center,Laundry,Storage |
Around this home
Neighborhood Overview
Neighborhood stats provided by third party data sources.
What Locals Say about University Hill
At least 8 Trulia users voted on each feature.
100 % Say it's walkable to restaurants
100 % Say there are sidewalks
89 % Say it's dog friendly
88 % Say there's wildlife
69 % Say it's walkable to grocery stores
67 % Say streets are well-lit
60 % Say people would walk alone at night
44 % Say there's holiday spirit
44 % Say neighbors are friendly
38 % Say yards are well-kept
25 % Say it's quiet
22 % Say there are community events
21 % Say kids play outside
15 % Say car is needed
13 % Say parking is easy
Sourced by Trulia users. Learn more about our methodology.
Market trends in Boulder
Last updated August 2026
Avg. sale price
$904K
$6.67KMoM
Sale-to-List Price
98.2%
0.2%MoM
Price per sq ft
$489
$10MoM
Available listings
765
3MoM
Home Value
Trulia Estimate
$361KSince last month
Increased$6K (+1.8%)Since last year
Increased$8K (+2.2%)Since last sale
Increased$46K (+14.7%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +24% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $361K |
| August 2026 | $355K |
| July 2026 | $347K |
| June 2026 | $350K |
| May 2026 | $353K |
| April 2026 | $352K |
| March 2026 | $351K |
| February 2026 | $348K |
| January 2026 | $348K |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.00 | Condo | $320,000 | 07/08/26 | 1 | 1 | 672 | |
0.02 | Condo | $305,000 | 11/21/25 | 1 | 1 | 620 | |
0.03 | Condo | $359,000 | 08/21/26 | 1 | 1 | 620 | |
0.04 | Condo | $365,000 | 04/02/26 | 1 | 1 | 620 | |
0.58 | Condo | $300,000 | 07/14/26 | 1 | 1 | 787 | |
0.59 | Condo | $426,500 | 02/13/26 | 1 | 1 | 624 | |
0.59 | Condo | $450,000 | 12/12/25 | 1 | 1 | 624 | |
0.70 | Condo | $383,000 | 05/28/26 | 1 | 1 | 888 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.00 | $515,400 | 2 | 2 | 860 | Off Market | |
0.00 | $380,400 | 1 | 1 | 672 | Off Market | |
0.00 | $385,300 | 1 | 1 | 672 | Off Market | |
0.00 | $614,500 | 2 | 2 | 995 | Off Market | |
0.00 | $368,600 | 1 | 1 | 720 | Off Market | |
0.00 | $499,990 | 2 | 2 | 930 | For Sale | |
0.00 | $320,000 | 1 | 1 | 672 | Recently Sold | |
0.01 | $389,700 | 1 | 1 | 728 | Off Market | |
0.02 | $317,800 | 1 | 1 | 620 | Off Market | |
0.02 | $369,900 | 1 | 1 | 620 | For Sale | |
0.02 | $450,200 | 2 | 1 | 868 | Off Market |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Sep 15, 2026 Source: REcolorado as distributed by MLS GRID #1584266 | Listed For Sale | $375,000 |
Jan 16, 2019 Source: IRES as distributed by MLS GRID #867464 | Sold | $315,000 |
Nov 30, 2018 Source: Agent Provided | Pending | $310,000 |
Nov 27, 2018 Source: Agent Provided | Listed For Sale | $310,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $2,145 | $415,700 |
Home facts updated by county records
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Hallie Rand, Coldwell Banker Realty 24
Agent Phone: (720) 810-2931
© 2026 REcolorado® All rights reserved. Certain information contained herein is derived from information which is the licensed property of, and copyrighted by, REcolorado®. Some IDX listings have been excluded from this website. Click here for more information
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Frequently asked questions about 850 20th Street #404
- What is the estimated monthly payment for 850 20th Street #404?Based on a $375,000 list price with 20% down at today's rates, the estimated monthly payment for 850 20th Street #404 in Boulder, CO is approximately $2,310 (about $2,069 principal & interest, $166 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
- How does the list price for 850 20th Street #404 compare to homes in Boulder?850 20th Street #404 in Boulder, CO is listed at $375,000, about 59% below the $904K median sale price in Boulder.
- What do residents say about the University Hill neighborhood?Residents describe the University Hill neighborhood in Boulder, CO as walkable to restaurants, pedestrian-friendly, and dog-friendly. See homes for sale in University Hill, Boulder.
- What are the closest schools to 850 20th Street #404?The closest schools to 850 20th Street #404 in Boulder, CO are Boulder High School (rated 9/10), Flatirons Elementary School (rated 8/10), Manhattan Middle School Of The Arts And Academics (rated 9/10).
- Does 850 20th Street #404 have air conditioning?Yes, 850 20th Street #404 in Boulder, CO has air conditioning.
- Does 850 20th Street #404 have laundry facilities?Yes, 850 20th Street #404 in Boulder, CO has laundry facilities.
850 20th Street #404, Boulder, CO 80302 is a 1 bedroom, 1 bathroom, 720 sqft condo built in 1967. 850 20th Street #404 is located in University Hill, Boulder. This property is currently available for sale and was listed by REcolorado as distributed by MLS GRID on Sep 10, 2026. The MLS # for this home is MLS# 1584266.