Purchase History
| Date | Event | Price | Source | Agents | 
|---|---|---|---|---|
| 07/22/2013 | Sold | $817,500 | Public records | Mark Brigham | 
| 07/01/1996 | Sold | $300,000 | Public records | 
Cost estimate history
| Year | Tax | Assessment | Market | 
|---|---|---|---|
| 2014 | N/A | $55,084 | N/A | 
| 2013 | $4,632 | N/A | $692,000 | 
Market Activities
Building Permits
To date, we have no information about building permits in 2025
    
                Dec 23, 2013
                
                    
                
            
            Description: Flood recovery-owner/contractor-no kitchen facility approved by this permit. scope of work to also include drywall and insulation (per code),reframing closet wall in bedroom and wall separating storage room and living room and associated electrical that was damage by flooding. no sturctural work approved.
- Contractor: Reenergizeco Inc
- Valuation: $1,200,000
- Client: Fran Windsor
- Parcel #: 0004006
- Permit #: PMT2013-07128
                Sep 4, 2012
                
                    
                
            
            Description: Replacement 40 gallon gas water heater.
            - Client: Katherine Brien
- Parcel #: 0004006
- Permit #: PMT2012-04305
                May 24, 2012
                
                    
                
            
            Description: New comfort cooling
            - Client: Katherine Brien
- Parcel #: 0004006
- Permit #: PMT2012-20120
                Apr 4, 2012
                
                    
                
            
            Description: In-property sewer service repair only
            - Client: Katherine Brien
- Parcel #: 0004006
- Permit #: PMT2012-01513
                May 6, 2010
                
                    
                
            
            Description: Remove existing shingles and re-roof single-family residence with dimensional shingles. 21 squares, roof pitch represented by contractor to be 5:12.
            - Client: Katherine Brien
- Parcel #: 0004006
- Permit #: PMT2010-01706
                Aug 23, 2007
                
                    
                
            
            Description: Modification of roof line to raise ceiling height of an existing area used as a bedroom & a bathroom, reconfiguration of interior walls (remove one wall & add two walls) and remodel of bathroom (reconfiguration of fixtures (one sink, shower/tub & water closet)) addition of 158 sf.) includes associated electrical, mechanical & plumbing modifications. no new pifs.
            - Valuation: $3,510,800
- Client: Katherine Brien
- Parcel #: 0004006
- Permit #: PMT2007-03669
                May 24, 2007
                
                    
                
            
            Description: Remodel of existing sfd. 300sf. remove kitchen from basement and replace kitchen sink with bar sink. remove refrigerator and range from downstairs area. change first floor office back in to kitchen. add new 1/2 bath. no structural changes or additional coverage. move window.
            - Valuation: $3,400,000
- Client: Katherine Brien
- Parcel #: 0004006
- Permit #: PMT2007-02057
12th St Fire Incident History
To date, we have no information about fire incidents in 2025
            
        
                    28 Dec 2019
                    Building fires
                
                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
                
                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
                
                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
                
                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
               919 12 St incidents registered in FEMA 
(Federal Emergency Management Agency)
To date, we have no information about incidents registered in FEMA in 2025
            
        
                    04 Jun 2008
                    Gas leak (natural gas or LPG)
                
                Property Use — 
                 1 or 2 family dwelling
               12 St Incidents registered in FEMA 
(Federal Emergency Management Agency)
To date, we have no information about incidents registered in FEMA in 2025
            
        
                    29 Mar 2015
                    Unauthorized burning
                
                Property Use — 
                 Multifamily dwellings
               
                    11 Oct 2014
                    Outside rubbish, trash or waste fire
                
                Property Use — 
                 Sorority house, fraternity house
               
                    05 Mar 2014
                    Gas leak (natural gas or LPG)
                
                Property Use — 
                 Sorority house, fraternity house
               
                    15 Jan 2014
                    Gas leak (natural gas or LPG)
                
                Property Use — 
                 Street or road in commercial area
               Properties Nearby
| Street Address | Residens/Landlords | |
|---|---|---|
| 728 12 St, Boulder, CO 80302-7519   Single Family Residential 
 | Bear Peak Capital, LLC, Carolyn Young | |
| 750 12 St, Boulder, CO 80302-7519   Single Family Residential 
 | Marie L Campbell, Martha Campbell | |
| 823 12 St, Boulder, CO 80302-7520   Single Family Residential 
 | J. Beach Designs, Brooks A Haney | |
| 1000 12 St, Boulder, CO 80302-7248   High Rise | Hannah M Cancino, Brooke Elise Coleman | |
| Michael P Bradbury | ||
| Katie Whitman | ||
| Ashley Michelle Ritt | ||
| 1020 12 St, Boulder, CO 80302-7246   High Rise | Yura Adalin, Colin Vollbrecht Constantine | |
| 1021 12 St, Boulder, CO 80302-7257   Unspecified 
 | Jared Averbuch, Nicole Bednarczyk | |
| 1036 12 St, Boulder, CO 80302-7211   Multi Family 
 | Marnie Rae Anderson, Heather Anne Battagliese | 
 
                                                                     
                                                                     
                                                    




























