840 12th St Boulder, CO 80302 / 7521

Residence for Single Family

(UPDATED: 08/05/2025)
  • 4 Beds
  • 2 Baths
  • 2.918 square feet
Property Report

Information about property on 840 12th St, Boulder CO, 80302-7521. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

This is a hefty single-family estate, which is situated at 840 12th St, Boulder, CO.

Facts

  • Built in 1924
  • Lot size 7,971 sqft
  • Floor size 2,918 sqft
  • Construction Masonry
  • Rooms 6
  • Bedrooms 4
  • Bathrooms 2
  • Last remodel year 1975
  • Basement Basement (not specified)
  • Structure type Other
  • Heating & Cooling
  • Heat type Floor/Wall
  • Exterior Home Features
  • Exterior material Cement concrete
  • Exterior walls Brick
  • Roof type Asphalt
  • Parking & Garage
  • Parking Underground/Basement
  • Parking spaces 1

Listing info

  • Last sold May 1977 for $69,000

Householders and Tenants for 840 12th St, Boulder CO

Possible residents contact details

Person Name Phone Number Additional Info
Brooke Mccarthy
303-447-****
Daniele F Mccarthy Age: 42
Fenton Mccarthy
303-447-****
James M Tydings Age: 79
Residential status:
Homeowner

Businesses

Organization Phone Number Additional Info
Sue E Harrison
Residential status:
Homeowner
Type:
Lawyers

Cost estimate history

YearTaxAssessmentMarket
2014 N/A $57,798 N/A
2013 $4,860 N/A $726,100

Where is 840 12th St, Boulder CO located on map?

Building Permits

To date, we have no information about building permits in 2025
Jun 25, 2015
Description: Sewer service repair in alley
  • Client: Sue Harrison
  • Parcel #: #0009067
  • Permit #: PMT2015-02540
May 9, 2013
Description: Removal of an existing chain-link fence along the south property line and the chain-link return to the house at the front yard. install approximately 115 lineal feet of 4' high decorative/ornamental iron replacement fence in substantially the same location.
  • Client: Sue Harrison
  • Parcel #: 0009067
  • Permit #: PMT2013-02030
Sep 8, 2009
Description: Pv installation on sfd. flush-mounted, grid-tied, 5.16 kw.
  • Client: Sue Harrison
  • Parcel #: 0009067
  • Permit #: PMT2009-03566
Dec 10, 2007
Description: Replacement forced air furnace
  • Client: Sue Harrison
  • Parcel #: 0009067
  • Permit #: PMT2007-20364
May 1, 2002
Description: Total tear off and overlay of the upper 18 squares only. 12/12/ and 4/12 pitch over 30 lb felt.
  • Client: Sue Harrison
  • Parcel #: 0009067
  • Permit #: PMT2002-01689
May 30, 2000
Description: Install a gas insert.
  • Client: Sue Harrison
  • Parcel #: 0009067
  • Permit #: PMT2000-02170

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

View more

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

View more

Properties Nearby

Street AddressResidens/Landlords
760 12 St, Boulder, CO 80302-7519
Single Family Residential
  • 4 beds
  • 2 baths
  • Lot: 7,884 sqft
  • Built in 1936
Asim O Barut, Pierrette H Barut
770 12 St, Boulder, CO 80302-7519
Single Family Residential
  • 3 beds
  • 2 baths
  • 3,567 sqft
  • Built in 1935
FRANCIS I. DONAHUE, M.D., PA, Breeze D Dake
820 12 St, Boulder, CO 80302-7521
Single Family Residential
  • 2 beds
  • 1 bath
  • 2,277 sqft
  • Built in 1954
Mary Elizabeth Chase, H Culberson
830 12 St, Boulder, CO 80302-7521
Single Family Residential
  • 3 beds
  • 1 bath
  • 2,436 sqft
  • Built in 1951
EQUALS INTERNATIONAL INC, Kokopeli Software LLC
835 12 St, Boulder, CO 80302-7520
Single Family Residential
  • 4 beds
  • 1 bath
  • 3,326 sqft
  • Built in 1920
George U Bealer, Keith E Bealer
865 12 St, Boulder, CO 80302-7520
Single Family Residential
  • 3 beds
  • 1 bath
  • Lot: 0.29 acres
  • Built in 1900
Emma Giffin, Glenn Giffin
870 12 St, Boulder, CO 80302-7521
Single Family Residential
  • 5 beds
  • 3 baths
  • 3,608 sqft
  • Built in 1907
Birdland International Inc, Cinda Johnson
907 12 St, Boulder, CO 80302-7208
Single Family Residential
  • 5 beds
  • 2 baths
  • 3,274 sqft
  • Built in 1885
Clare Adams, Douglas M Adams
922 12 St, Boulder, CO 80302-7209
Single Family Residential
  • 3 beds
  • 1 bath
  • 2,948 sqft
  • Built in 1929
Pete Callas, Sampson Callas
927 12 St, Boulder, CO 80302-7208
Unspecified
  • 6 beds
  • 2 baths
  • 2,600 sqft
  • Built in 1922
Jeffery Allen Arinder, Robert Anthony Brovege
 

FAQ about the house at 840 12 St, Boulder, CO


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