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$1,900,000 New to Website

  • For Sale
  • Active
  • Retail
  • Updated 4 hours ago
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321 Main Street offers a rare opportunity to own a piece of Longmont history. This mixed-use commercial/residential building has been home to many of Longmont's most beloved businesses, including, most recently, a popular donut shop. The ground level offers a completely turnkey kitchen/restaurant space built out in 2022 and meticulously maintained ever since. The second level offers a 2-bedroom, 1-bathroom residential unit. There is also full-height basement for storage and an alley-facing garage unit. Building will be delivered vacant, ready for an owner-user, investor, or live/work buyer. *SF to be verified by buyer.

Full Property Details for 321 Main St

General

  • Price: $1,900,000
  • Taxes: $2,007 (2025)
  • Status: Active
  • Type: Retail
  • Source: IRES
  • MLS ID: 1064083
  • Updated: 7/13/2026
  • Added to Site: 1 day(s) ago

Business

  • Business Type: Retail-Downtown, Mixed

Location

  • Area: Longmont
  • County: Boulder
  • Subdivision: Longmont Ot

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Forced Air

Utilities

  • Water: City

Structural Information

  • Construction: Frame, Brick
  • Exterior Const.: Frame, Brick
  • Basement: Yes
  • Basement Desc.: Partial
  • Roof: Rubber
  • Sq. Ft. Source: Plans
  • Year Built: 1870

Lot Features

  • Lot Size (Acres): 0.08
  • Lot Size (Sq. Ft.): 3,358
  • Frontage: City Street
  • Zoning: MU-D

Financial Considerations

  • Operating Expenses: $2,007
  • Tax Amount: $2,007
  • Tax Year: 2025
  • Tenant Pays: Deposit

Disclosures and Reports

  • Special Conditions: Private Owner
  • Property ID: R0509407

Listed by Market Real Estate (303) 444-5040

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Listing agents

— 321 Main St —

  • Market Real Estate

    303-444-5040

  • Market Real Estate

    303-444-5040

3034445040

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 321 Main St

School District:St. Vrain Valley School District Re 1j
NameGradesDistance
Central Elementary School, Longmont, CO
1020 4th Avenue, Longmont, CO 80501
PK-50.4 mi
Westview Middle School
1651 Airport Road, Longmont, CO 80503
6-83.2 mi
Longmont High School
1040 Sunset Street, Longmont, CO 80501
9-121.2 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 321 Main St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
7/13/2026
Listed
$1,900,000
68.89%
MLS
5/12/2021
Sold
$1,125,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 321 Main St

Year
Property Taxes
Change
Tax Assessment
Change
2025
$2,007
27%
$17,188
17%
2024
$1,584
1%
$14,740
-20%
2023
$1,565
27%
$18,425
67%
2022
$1,231
—
$11,002
-3%
2021
$1,236
-88%
$11,319
-87%
2021
$9,947
-15%
$86,710
-21%
2018
$11,768
1%
$110,200
—
2017
$11,625
25%
$110,200
27%
2019
$9,313
30%
$86,710
30%
2016
$7,162
4%
$66,700
—
2015
$6,862
24%
$66,700
27%
2014
$5,528
—
$52,716
—
2013
$5,546
—
$52,716
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 321 Main St

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Market Real Estate (303) 444-5040

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321 Main St, Longmont, CO 80501 (MLS# 1064083) is a Retail property. 321 Main St is currently listed for $1,900,000 and was received on July 13, 2026. Want to learn more about 321 Main St? Do you have questions about finding other Retail real estate for sale in Longmont? You can browse all Longmont real estate or contact a Coldwell Banker agent to request more information.

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