Prevu by reAlpha
BuySellBlogBrowse Listings

850 20th Street 404Boulder, CO 80302

For Sale

$375,000

Smart Buyer Rebate $3,750

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.

Listed by Hallie Rand

·

License #042323

·

Coldwell Banker Realty 24

·

720-810-2931

Last updated September 15, 2026

·

Source: REcolorado #1584266

Listing Facts

  • TypeCondo
  • NeighborhoodThe Hill
  • Bedrooms1
  • Bathrooms1
  • Days on Prevu5
  • HOA/Maint. Fees$559/month
  • Taxes$2,558/year
  • Size720 sqft
  • Price per sqft$521

Amenities

  • Parking
  • Storage
  • Fitness Center

Location

Mortgage Calculator

Listing History

09/15/2026
Listed by Coldwell Banker Realty 24
$375,000
  1. 09/15/2026$375,000
    Listed by Coldwell Banker Realty 24

Property Details for 850 20th Street 404

Association

Amenities

  • Association Amenities: Elevator(s), Fitness Center, Laundry, Storage

Fees

  • Association Fee: $559.00 Monthly
  • Association Fee Includes: Reserves, Heat, Maintenance Structure, Security, Trash, Water

General

  • Association Name: San Marco North HOA

Exterior

Construction

  • Property Attached: Yes
  • Roof: Other
  • Structure Type: Mid Rise (4-7)
  • Year Built: 1967
  • Common Walls: End Unit
  • Construction Materials: Brick
  • Entry Level: 4
  • Exterior Features: Balcony

Measurements

  • Building Area Total: 720

Financial

Taxes

  • Parcel Number: R0083147
  • Tax Annual Amount: $2,558.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Convection Oven, Cooktop, Refrigerator

Measurements

  • Living Area: 720

Rooms

  • Bathrooms Full: 1
  • Bathrooms Total Integer: 1
  • Bedrooms Total: 1
  • Main Level Bathrooms: 1
  • Main Level Bedrooms: 1

Other

Location

  • Subdivision Name: San Marco North Condominiums

Parking

Parking

  • Parking Total: 1

Schools

Elementary School

  • Elementary School: Flatirons
  • Elementary School District: Boulder Valley RE 2

High School

  • High School: Boulder
  • High School District: Boulder Valley RE 2

Middle or Junior School

  • Middle Or Junior School: Manhattan
  • Middle Or Junior School District: Boulder Valley RE 2

Utilities

Equipment

  • Cooling: Air Conditioning-Room
  • Heating: Baseboard
  • Sewer: Public Sewer

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There is 1 bedroom and 1 bathroom in this condo at 850 20th Street 404.

What schools are nearby to 850 20th Street 404?

Nearby schools include the Flatirons Elementary School, Manhattan Middle School, and Boulder High School.

Does this condo have parking?

Yes, there is 1 parking space available for 850 20th Street 404.

What are the annual taxes for 850 20th Street 404?

Annual taxes for this condo are estimated at $2,558.

How does 850 20th Street 404 compare to other condos in The Hill?

This condo is listed 26% below the average price for condos in The Hill and has been on the market for 85 less days than the typical home in this area.

What building or home owners association is the condo part of?

This condo is part of the San Marco North HOA home owners association.

What is the square footage on this condo?

According to the MLS, this listing is 720 sqft.

850 20th Street 404 is a 1-bedroom, 1-bath condo for sale in Boulder CO 80302. Listed on Prevu for 0 days at $375,000. This residence features 720 square feet of living space, located in The Hill. The median listing price for condos in this area is $570,000. Nearby schools include Flatirons Elementary School, Manhattan Middle School, and Boulder High School. The home offers storage, fitness center, and parking. Browse more condo listings in Boulder.

The content relating to real estate for sale in this Web site comes in part from the Internet Data eXchange ("IDX") program of METROLIST, INC., DBA RECOLORADO® Real estate listings held by brokers other than Prevu are marked with the IDX Logo. This information is being provided for the consumers' personal, non-commercial use and may not be used for any other purpose. All information subject to change and should be independently verified.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.