21St Ave, Longmont CO street index
| Block | Buildings | Properties | Businesses | Residents |
|---|---|---|---|---|
| 1-499 | 1-451 | 228 | 127 | 737 |
| 500+ | 500-1201 | 47 | 14 | 231 |
Residents
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- Lot: 2.24 acres
- Built in 1958
Facts
Lot size: 2.24 acres
Stories: 1 story
- 51 beds
- 39.75 baths
- Lot: 40,339 sqft
- Built in 1999
Facts
Rooms: 113
Exterior walls: Stucco
Parking: Underground/Basement
- 4 beds
- 2 baths
- 1,846 sqft
- Built in 1972
Facts
Lot size: 8,803 sqft
Rooms: 8
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- 4 beds
- 2.5 baths
- 3,019 sqft
- Built in 1993
Facts
Lot size: 7,079 sqft
Rooms: 8
Parking: Garage - Attached, 462 sqft
- 4 beds
- 2 baths
- Lot: 7,536 sqft
- Built in 1972
Facts
Lot size: 7,536 sqft
Rooms: 8
Stories: 1 story
Exterior walls: Brick veneer
For Sale
$449,000
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- 4 beds
- 2 baths
- Lot: 7,536 sqft
- Built in 1972
Facts
Lot size: 7,536 sqft
Rooms: 6
Stories: 1 story
Exterior walls: Brick veneer
- 5 beds
- 2 baths
- 2,630 sqft
- Built in 1987
Facts
Lot size: 7,100 sqft
Rooms: 7
Exterior walls: Wood
Parking: Attached Garage
- 6 beds
- 2 baths
- 920 sqft
- Built in 1972
Facts
Lot size: 7,536 sqft
Rooms: 8
Stories: 1 story
Exterior walls: Brick veneer
Sold
$506,000
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- 6 beds
- 2 baths
- 920 sqft
- Built in 1972
Facts
Lot size: 7,536 sqft
Rooms: 8
Stories: 1 story
Exterior walls: Brick veneer
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- 4 beds
- 2 baths
- Lot: 7,754 sqft
- Built in 1972
Facts
Lot size: 7,754 sqft
Rooms: 8
Stories: 1 story
Exterior walls: Brick veneer
Parking: Carport
Sold
$504,000
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- 4 beds
- 2 baths
- Lot: 7,754 sqft
- Built in 1972
Facts
Lot size: 7,754 sqft
Rooms: 8
Stories: 1 story
Exterior walls: Brick veneer
Parking: Carport
For Sale
$535,000
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- 8 beds
- 4 baths
- Lot: 8,189 sqft
- Built in 1994
Facts
Lot size: 8,189 sqft
Rooms: 12
Exterior walls: Wood
- 8 beds
- 4 baths
- Lot: 8,364 sqft
- Built in 1978
Facts
Lot size: 8,364 sqft
Rooms: 16
Exterior walls: Wood
Parking: Attached Garage
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- 8 beds
- 4 baths
- Lot: 7,971 sqft
- Built in 1978
Facts
Lot size: 7,971 sqft
Rooms: 16
Exterior walls: Wood
Parking: Attached Garage
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- 8 beds
- 4 baths
- Lot: 7,928 sqft
- Built in 1978
Facts
Lot size: 7,928 sqft
Rooms: 16
Exterior walls: Wood
Parking: Attached Garage
- 8 beds
- 4 baths
- Lot: 7,971 sqft
- Built in 1985
Facts
Lot size: 7,971 sqft
Rooms: 16
Exterior walls: Wood
Air conditioning: Central
Parking: Attached Garage
- 8 beds
- 4 baths
- Lot: 7,928 sqft
- Built in 1978
Facts
Lot size: 7,928 sqft
Rooms: 16
Exterior walls: Wood
Parking: Attached Garage
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- 8 beds
- 4 baths
- Lot: 8,102 sqft
- Built in 1978
Facts
Lot size: 8,102 sqft
Rooms: 16
Exterior walls: Wood
Parking: Attached Garage
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Market Activities
To date, we have no information about market activities in 2026
May 2024
Sold
May 2024
Listed for sale
May 2024
Listed for sale
Apr 2024
Listed for sale
Apr 2024
Listed for sale
Apr 2024
Sold
Apr 2024
Listed for sale
Mar 2024
Listed for sale
Sep 2023
Sold
Jun 2023
Listed for sale
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Mar 2023
Sold
Feb 2023
Listed for sale
Feb 2023
Sold
Dec 2022
Sold
Nov 2022
Sold
Nov 2022
Listed for sale
Nov 2022
Sold
Sep 2022
Listed for sale
Jun 2022
Sold
Feb 2022
Sold
Building Permits
To date, we have no information about building permits in 2026
Aug 26, 2014
51 21st Ave
- Valuation: $159,200
- Fee: $72.44 paid to City of Longmont, Colorado
- Client: Thomas Mary P
- Permit #: B201402538
Oct 30, 2013
2098 21st Ave
- Contractor: Home Depot Home Services Inc
- Valuation: $702,600
- Fee: $319.25 paid to City of Longmont, Colorado
- Client: Blessing Marabelle D
- Permit #: B201303332
Jun 5, 2013
1101 21st Ave
- Contractor: Albrachts One Hour
- Valuation: $538,000
- Fee: $159.62 paid to City of Longmont, Colorado
- Client: Smith Timothy Robert
- Permit #: B201301334
Nov 14, 2012
421 21st Ave
- Contractor: Sparky Electric Co Inc
- Valuation: $130,000
- Fee: $128.49 paid to City of Longmont, Colorado
- Client: Enterprise Building Llc
- Permit #: B201203137
Sep 28, 2012
82 21st Ave
- Contractor: Down Under Construction
- Valuation: $5,700,000
- Fee: $1,714.06 paid to City of Longmont, Colorado
- Client: Housing Authority Of County Of Boulder
- Permit #: B201202085
Aug 1, 2012
777 21st Ave
- Valuation: $466,500
- Fee: $305.92 paid to City of Longmont, Colorado
- Client: St Vrain Valley Credit Union
- Permit #: B201202062
Apr 13, 2012
70 21st Ave
- Contractor: Hudson Construction Llc
- Client: Aspen Meadows Associates Lllp
- Permit #: B201200896
Mar 27, 2012
1021 21st Ave
- Contractor: White Mountain Enterprises
- Valuation: $432,400
- Fee: $215.91 paid to City of Longmont, Colorado
- Client: Burley Jesse
- Permit #: B201200687
Oct 4, 2011
107 21st Ave
- Contractor: Welzig Mechanical
- Valuation: $560,100
- Fee: $40.00 paid to City of Longmont, Colorado
- Client: Nancy Black
- Permit #: B201102749
Jul 26, 2011
901 21st Ave
- Contractor: Catastrophe Consultants Grp Llc
- Valuation: $430,000
- Fee: $215.41 paid to City of Longmont, Colorado
- Client: Parrill Justin Et Al
- Permit #: B201102039
Jul 25, 2011
115 21st Ave
- Valuation: $710,400
- Fee: $320.86 paid to City of Longmont, Colorado
- Client: Knouse Delwin L & Caron M
- Permit #: B201102022
Jul 22, 2011
1201 21st Ave
- Contractor: White Mountain Enterprises
- Valuation: $900,000
- Fee: $375.58 paid to City of Longmont, Colorado
- Client: Seldin George R & Dianne C
- Permit #: B201101927
Jun 6, 2011
50 21st Ave
- Valuation: $175,000
- Fee: $119.63 paid to City of Longmont, Colorado
- Client: City Of Longmont
- Permit #: B201101492
Apr 18, 2011
322 21st Ave
- Valuation: $210,300
- Fee: $82.85 paid to City of Longmont, Colorado
- Client: Doern Linda
- Permit #: B201100942
Apr 11, 2011
451 21st Ave
- Contractor: Sun Construction Inc
- Valuation: $3,700,000
- Fee: $2,125.93 paid to City of Longmont, Colorado
- Client: Boettcher Family Llc
- Permit #: B201100649
Jun 10, 2010
328 21st Ave
- Valuation: $870,000
- Fee: $362.93 paid to City of Longmont, Colorado
- Client: Hwang Shou Nung & Ping
- Permit #: B201001361
Jun 10, 2010
334 21st Ave
- Valuation: $870,000
- Fee: $362.93 paid to City of Longmont, Colorado
- Client: Hwang Shou Nung & Ping
- Permit #: B201001362
Jun 10, 2010
340 21st Ave
- Valuation: $870,000
- Fee: $362.93 paid to City of Longmont, Colorado
- Client: Hwang Shou Nung & Ping
- Permit #: B201001363
May 22, 2009
298 21st Ave
- Contractor: Tri City Electric II Inc.
- Valuation: $70,000
- Fee: $547.73 paid to City of Longmont, Colorado
- Client: Qwest
- Permit #: B200900932
Fire Incident History
To date, we have no information about fire incidents in 2026
11 Sep 2019
Fires in structures other than in a building
Property Use —
Preschool
Area of Origin —
Ceiling & floor assembly, crawl space b/t stories
First Ignition —
Electrical wire, cable insulation
Heat Source —
Lightning
17 Jul 2019
Fire, other
Property Use —
Playground
Area of Origin —
Open area - outside; included are farmland, field
First Ignition —
Chips, including wood chips
Heat Source —
Explosive, fireworks, other
04 May 2018
Passenger vehicle fire
Property Use —
Street, other
Area of Origin —
Vehicle area, other
First Ignition —
Item First Ignited, Other
Heat Source —
Heat from powered equipment, other
12 Mar 2018
Mobile property (vehicle) fire, other
Property Use —
Residential street, road or residential driveway
Area of Origin —
Operator/passenger area of transportation equip.
Heat Source —
Heat from powered equipment, other
Incidents registered in Federal Emergency Management Agency
To date, we have no information about incidents registered in FEMA in 2026
03 May 2015
Vehicle accident, general cleanup
Property Use —
Street or road in commercial area
21 Feb 2013
Carbon monoxide incident
Property Use —
1 or 2 family dwelling
25 Jun 2011
Electrical wiring/equipment problem, other
Property Use —
Open land or field
22 Jun 2011
Cooking fire, confined to container
Property Use —
1 or 2 family dwelling
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