20 3rd Ave
20 3rd Ave, Longmont, CO 80501
2,640
SF AvailableRETREAT YOURSELF:
Who says commercial space has to feel commercial? This property offers the visibility your business needs with the kind
of setting people actually enjoy spending time in. Surrounded
by a historic Longmont neighborhood and featuring a large
outdoor area, ample parking, and a versatile floor plan, the
property is perfectly suited for therapy, wellness, medical,
movement, pet services, or concepts that thrive in a more
relaxed environment.
PROPERTY HIGHLIGHTS:
Standalone retail or office building.
.53 acre lot with large outdoor area.
Huge visibility off 3rd Avenue.
Perfect for therapy, medical, dog kennel/training and more!
Zoning: Mixed Use Downtown (MU-D).
Plenty of onsite parking.
Nestled against a lovely historic neighborhood.
Rental Details
- Number of spaces 1
- Total square feet available 2,640 SF
- For Lease $18.00/SF/YR
- Space Types Office
- Lease Type NNN
- Date Updated May 26, 2026
Reach out to the broker for more info on lease terms and amenities
True
For Lease 1 Space Available
Space Available |
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Contacts
Market Real Estate
Building Details
- For Lease $18.00/SF/YR
- Property Type Office
- Property Size 2,640 SF
- Lot Size 0.53 Acre
- Zoning MU-D
- Building Class C
- Year Built 1979
- Date Updated May 26, 2026
Attachments
Getting Around
-
Walk Score ®
Very Walkable (77) -
Transit Score ®
Some Transit (35) -
Bike Score ®
Bikeable (69)
Location
- City Longmont, CO
- Neighborhood Longmont
- Zip Code 80501
- Market Denver
Points of Interest
Circle K
0.92 miles
Costco Gasoline
0.95 miles
Conoco
1.06 miles
Safeway Fuel Station
1.12 miles
Shell
1.48 miles
7-Eleven
1.71 miles
Sinclair
1.76 miles
ChargePoint
1.90 miles
ChargePoint Charging Station
6.31 miles
Longmont Park-n-Ride
1.14 miles
119th St Trailhead
1.25 miles
US287 & 21st Ave
2.30 miles
County Rd Trailhead
2.36 miles
Walmart Supercenter Longmont parking lot
2.86 miles
McIntosh Lake
3.04 miles
Agricultural Heritage Museum
4.26 miles
US287 & Niwot Park-n-Ride
4.33 miles
Pella Crossing
4.56 miles
Hertz
0.52 miles
Shine Bright Carwash
1.03 miles
Breeze Thru Car Wash
1.30 miles
South Park Car Wash
1.39 miles
Autowash Longmont
1.42 miles
Washed up
2.71 miles
Signal Car Wash
5.73 miles
Del Camino Service Plaza and Truck Wash
5.98 miles
Monkey Shine Car Wash
8.28 miles
Summit Tacos
0.23 miles
Spicy House
0.31 miles
A Thai Sticky Rice
0.40 miles
Jefes Tacos & Tequila
0.41 miles
The Passenger
0.42 miles
Flavor of India
0.42 miles
Smokin' Dave's BBQ
0.42 miles
Lucile's Creole Cafe
0.44 miles
China Panda
0.44 miles
Tortilleria Las Americas
0.72 miles
Carniceria El Cerrito
0.87 miles
Marshalls
0.92 miles
Ross
0.92 miles
Safeway
1.08 miles
Bridge Park Plaza
1.53 miles
Longs Peak Grocery Market
1.55 miles
Carniceria Guanajuato
1.71 miles
Save-A-Lot
1.82 miles
Longmont Police Department Headquarters
0.35 miles
Salud Clinic
0.43 miles
Walgreens
0.82 miles
Flatirons Pharmacy
0.97 miles
Costco Pharmacy
0.99 miles
Longmont Fire Department Station 6
1.04 miles
Longmont Fire Station #1
1.06 miles
AnyLabTest!
1.27 miles
North Colorado Clinic of Chiropractic
1.27 miles
20 3rd Ave Listing Summary
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Office Space Available at 20 3rd Ave
Office space currently available at 20 3rd Ave adds up to a total of 2,640 square feet across 1 listing(s). The largest individual space listed offers 2,640 square feet. Property use types available for lease at this property include: office.
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Learn More about 20 3rd Ave
20 3rd Ave is located in the Denver market and pertains to the 80501 zip code. The property incorporates a total of 2,640 square feet of space. 20 3rd Ave was built in 1979.
Interested in researching more about this property? Access in-depth research on 20 3rd Ave, including ownership details, transaction history, property characteristics, taxes, mortgage data, violations and more by creating a free account and viewing the full property report.
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