1021 12th St Boulder, CO 80302 / 7257

Map

Residence for Single Family

(UPDATED: 10/06/2025)
  • 4 Beds
  • 2 Baths
  • 4.464 square feet
Property Report

Information about property on 1021 12th St, Boulder CO, 80302-7257. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

At 1021 12th Street, Boulder, CO placed an estate.

Facts

  • Built in 1923
  • Lot size 6,229 sqft
  • Floor size 4,464 sqft
  • Construction Masonry
  • Rooms 10
  • Bedrooms 4
  • Bathrooms 2
  • Last remodel year 1975
  • Basement Improved Basement (Finished)
  • Structure type Other
  • Heating & Cooling
  • Heat type Forced air unit
  • Exterior Home Features
  • Exterior material Cement concrete
  • Exterior walls Brick
  • Parking & Garage
  • Parking Detached Garage
  • Parking spaces 3
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Listing info

  • Last sold Jul 1999 for $633,600

Householders and Tenants for 1021 12th St, Boulder CO

Purchase History

DateEventPriceSourceAgents
07/01/1999 Sold $633,600 Public records

Cost estimate history

YearTaxAssessmentMarket
2014 N/A $72,181 N/A
2013 $6,069 N/A $906,800
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Where is 1021 12th St, Boulder CO located on map?

1021 12th St Fire Incident History

To date, we have no information about fire incidents in 2026
28 Dec 2019 Building fires
1021 12 St, Boulder CO
Property Use —
Multifamily dwellings
Area of Origin —
Bathroom, checkroom, lavatory, locker room
First Ignition —
Electrical wire, cable insulation
Heat Source —
Spark, ember or flame from operating equipment

12 St Fire Incident History

To date, we have no information about fire incidents in 2026
28 Dec 2019 Building fires
1021 12 St, Boulder CO
Property Use —
Multifamily dwellings
Area of Origin —
Bathroom, checkroom, lavatory, locker room
First Ignition —
Electrical wire, cable insulation
Heat Source —
Spark, ember or flame from operating equipment
28 Jun 2018 Special outside fire, other
891 12th St, Boulder CO
Property Use —
Multifamily dwellings
Area of Origin —
Outside area, other
First Ignition —
Organic materials, other
Heat Source —
Hot or smoldering object, other
25 Oct 2015 Natural vegetation fire, other
1139 12 St, Boulder CO
Property Use —
Outside or special property, other
Area of Origin —
Outside area, other
First Ignition —
Decoration
Heat Source —
Flame/torch used for lighting
03 Oct 2008 Building fires
1146 12 St, Boulder CO
Property Use —
Sorority house, fraternity house
Area of Origin —
Egress/exit, other
First Ignition —
Flammable liquid/gas - in/from final container
Heat Source —
Heat source: other

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12 St Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2026
29 Mar 2015 Unauthorized burning
1030 12 St, Boulder CO
Property Use —
Multifamily dwellings
11 Oct 2014 Outside rubbish, trash or waste fire
1139 12 St, Boulder CO
Property Use —
Sorority house, fraternity house
05 Mar 2014 Gas leak (natural gas or LPG)
1162 12th St, Boulder CO
Property Use —
Sorority house, fraternity house
15 Jan 2014 Gas leak (natural gas or LPG)
865 12 St, Boulder CO
Property Use —
Street or road in commercial area

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Properties Nearby

Street Address
728 12 St, Boulder, CO 80302-7519
Single Family Residential
  • 4 beds
  • 2 baths
  • 3,310 sqft
  • Built in 1925
740 12 St, Boulder, CO 80302-7519
Single Family
  • 5 beds
  • 1.5 baths
  • 2,876 sqft
  • Built in 1925
750 12 St, Boulder, CO 80302-7519
Single Family Residential
  • 3 beds
  • 2 baths
  • 1,662 sqft
  • Built in 1923
823 12 St, Boulder, CO 80302-7520
Single Family Residential
  • 5 beds
  • 2 baths
  • 4,509 sqft
  • Built in 1929
919 12 St, Boulder, CO 80302-7208
Single Family Residential
  • 4 beds
  • 1 bath
  • 3,232 sqft
  • Built in 1923
1000 12 St, Boulder, CO 80302-7248
High Rise
    1027 12 St, Boulder, CO 80302-7291
    Unspecified
    • 9 beds
    • 6 baths
    • 3,651 sqft
    • Built in 1923
    1036 12 St, Boulder, CO 80302-7211
    Multi Family
    • 3 beds
    • 1.75 baths
    • 828 sqft
    • Built in 1919

    12th Street

    Houses for Sale on 12th Street (1)

    Recently Sold Homes on 12th Street (6)

    Recent rentals on 12th Street (8)

    Boulder, CO

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    Houses for Rent on Boulder, CO (9)

    Recent rentals on Boulder, CO (2073)

     

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