Property Record
421 21St Ave, Longmont, CO 80501
Current Lease Availabilities
Property Detail
421 21St Ave
Boulder, CO
LOT 1 WESTERN MEADOWS 3
1205274-05-001
Boulder
Storesoffices
Colorado
B and X Area of moderate flood hazard, usually the area between the limits of the 100-year and 500-year floods.
1
2024
1.17 AC
2025
Longmont
013505
Denver
20,664 SF
NEARBY LISTINGS FOR SALE OR LEASE
DEMOGRAPHICS near 421 21St Ave
1 mile
3 mile
5 mile
2024 Total Population
17,814
70,784
100,745
2029 Population
17,680
70,490
101,023
Pop Growth 2024-2029
(0.75%)
(0.42%)
+ 0.28%
Average Age
41
42
41
2024 Total Households
7,002
28,586
40,392
HH Growth 2024-2029
(0.73%)
(0.38%)
+ 0.26%
Median Household Inc
$72,073
$83,079
$86,544
Avg Household Size
2.40
2.40
2.40
2024 Avg HH Vehicles
2.00
2.00
2.00
Median Home Value
$499,896
$621,217
$637,656
Median Year Built
1978
1982
1989
Nearby Places
Map Layers
Map Styles
Street
Aerial
Transit
Transit
Traffic
Biking
Places
Listings with unknown addresses are not visible on the map
- Restaurants
- Banks
- Shops
- Fitness
- Groceries
PUBLIC TRANSPORTATION
AIRPORT
Denver International
Drive
Walk
Distance
Denver International
55 min
45.6 mi
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A
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86,459 SF
3.19 AC
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© 2026 CoStar Group
The information above has been obtained from sources believed reliable. While we do not doubt its accuracy we have not verified it and make no guarantee, warranty or representation about it. It is your responsibility to independently confirm its accuracy and completeness. Any projections, opinions, assumptions, or estimates used are for example only and do not represent the current or future performance of the property. The value of this transaction to you depends on tax and other factors which should be evaluated by your tax, financial, and legal advisors. You and your advisors should conduct a careful, independent investigation of the property to determine to your satisfaction the suitability of the property for your needs.