Boulder County, CO Office Buildings for Sale

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Updated: Aug 22, 2025

Longmont Three-Story Brick Building

24 Ave 24 9th Ave 24, Longmont, CO 80501

$1,350,000

7,204 sqft

Flexible MU‑E zoning allows for diverse commercial, mixed‑use, or residential redevelopment (subject to approval).
Month‑to‑month tenant leases provide immediate

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24 Ave 24 9th Ave 24, Longmont, CO 80501

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Est. Cap Rate

6.8%
Above avg (5.9%)
Est. NOI

$92K
Annual
Mortgage

$476K
Oct 2018
Last Sold

Dec 2016
$575K
Property Type

Office Building
Built 1985

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Updated: Jun 24

Brick Office Building

109 N Public Rd, Lafayette, CO 80026

$750,000

0.16 AC lot

0.16‑acre office property at 109 N Public Rd, Lafayette, CO 80026
B1 zoning supports office, medical/dental, retail, personal service, gallery, and other listed commercial uses
Reception/work area, conference room, and two private offices
Patio area and ample parking
Brick construction with a flat roof; built in 1967

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Historic Office Mansion with Vaulted Ceilings

3011 Broadway St, Boulder, CO 80304

$2,750,000

0.29 AC lot

Renovated historic office building with private offices, conference rooms, parking, and RH-2 flexibility for conversion subject to approvals.

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Three-Story Brick Office Building

24 9th Ave, Longmont, CO 80501

$1,350,000

0.27 AC lot

South-facing glass elevation, flexible occupancy, and MU-E zoning support office or mixed-use planning.

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Multi-Tenant Office Building

6610 Gunpark Dr, Boulder, CO 80301

$1,500,000

6,595 sqft

Office property with individually metered utilities, multiple suites, and flexible occupancy configurations.

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Remodeled Medical Office Building

7490 Clubhouse Rd, Boulder, CO 80301

$3,073,500

0.98 AC lot

Medical/professional office building set on 0.98 acres with remodeled suites and 50 parking spaces.

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Three-Story Medical Office Building

2995 Baseline Rd, Boulder, CO 80303

$9,900,000

1.06 AC lot

Brick professional office property with elevator service, structured parking, and recent building-system upgrades.

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Boulder Retail & Office Building

1735 15th St, Boulder, CO 80302

$4,499,640

338 sqft 0.33 AC lot

Classic building with exposed brick, wood timbers, and high ceilings.

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Longmont Standalone Office Building For Sale

2020 Terry Street, Longmont, CO 80501

$1,200,000

4,452 sqft 0.58 AC lot

Well-maintained office building in Longmont with ample parking.

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Standalone Office Building with Open Plan

6290 Lookout Rd, Boulder, CO 80301

$2,200,000

1.64 AC lot

Industrial zoning supports professional office use with dedicated on-site parking.

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Historic Office Mansion with Parking

3011 Broadway St, Boulder, CO 80304

$2,750,000

6,329 sqft 0.29 AC lot

Renovated historic office building offering 10 private offices, two conference rooms, and on-site garage and surface parking.

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Renovated Standalone Office Building

1720 St 1720 15th St 1720, Boulder, CO 80302

$1,350,000

2,517 sqft

Two above-ground levels include a bathroom with shower and additional basement space.

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Renovated Office Building For Sale

207 Canyon, Boulder, CO 80302

$4,800,000

14,466 sqft

Fully leased, renovated office building with outdoor courtyard near downtown.

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Single-Story Freestanding Office Building

4700 Walnut St, Boulder, CO 80301

$1,750,000

5,952 sqft

Freestanding single-story office building with 22 parking spaces and multiple recording rooms, offices, meeting space, and a kitchen.

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Multi-Tenant Office Building Site

1200 St 1200 28th St 1200, Boulder, CO 80303

$6,500,000

19,368 sqft 0.64 AC lot

Multi-tenant office building on 0.64 acres with underground and surface parking, positioned near the CU campus.

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NNN Office Property

413 S Ave 413 Arthur Ave 413, Louisville, CO 80027

$4,800,000

21,072 sqft

Established office asset with central air and a lease structure designed to limit landlord obligations.

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Contemporary Office Building Near Golf

6640 Dr 6640 Gunpark Dr 6640, Boulder, CO 80301

$1,575,000

5,740 sqft

Professional office building with convenient location and ample parking.

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Downtown Office Building

448 St 448 Main St 448, Longmont, CO 80501

$849,000

3,089 sqft

Small office building with 11 offices, a conference room, reception area, kitchen/break area, and two restrooms.

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Class A Office Building with Overhead Doors

183 S Taylor Ave, Louisville, CO 80027

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8,239 sqft

Class A office building built in 2020 with 20-foot ceilings, 13 offices, and two 14x14 overhead doors.

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Mixed-Use Property with Landmark Mural

1215 Spruce St, Boulder, CO 80302

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23,527 sqft

Downtown property combines retail, professional office, and wellness space near Pearl Street Mall.

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Professional and Medical Office Building

1055 17th Avenue, Longmont, CO 80501

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15,121 sqft 1.64 AC lot

Professional and medical office building with key-card access, security cameras, and available suite space in central Longmont.

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Two-Building Office Property with Parking

108 E Baseline Road, Lafayette, CO 80026

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1,600 sqft

Two office buildings total 1,600 SF with private on-site parking and month-to-month tenants near Old Town Lafayette.

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Well-Appointed Office Building For Sale

6630 Gunpark, Boulder, CO 80301

$2,975,000

0.85 AC lot

Office building for sale or lease with mountain views.

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Eight-Level Mixed-Use Development Site

1120-1130 Alpine Ave, Boulder, CO 80304

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40,349 sqft 0.93 AC lot

Redevelopment site with two existing office/medical buildings, designed for an eight-level live/work community with ground-floor retail.

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Boulder County, CO Office Buildings Market Trends and Statistics

Explore 72 office buildings for sale in Boulder County, CO, showcased through 62 active listings on our real estate platform. These investment opportunities span a total of 632,974 square feet of properties for sale, with an estimated market value of $84,503,140.

Sale prices for office properties in Boulder County, CO start at $325,000, averaging $2,816,771, and reaching up to $9,900,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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