870 12th St Boulder, CO 80302 / 7521

Residence for Single Family

(UPDATED: 07/05/2025)
  • 5 Beds
  • 3 Baths
  • 3.608 square feet
Sold Mar 2023
$2,475,000
Property Report

Information about property on 870 12th St, Boulder CO, 80302-7521. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

A large single-family home at 870 12th Street, Boulder, CO.

Facts

  • Built in 1907
  • Lot size 9,148 sqft
  • Floor size 3,608 sqft
  • Construction Masonry
  • Rooms 11
  • Bedrooms 5
  • Bathrooms 3
  • Last remodel year 1985
  • Basement Improved Basement (Finished)
  • Heating & Cooling
  • Heat type Forced air unit
  • Exterior Home Features
  • Exterior material Brick
  • Exterior walls Rock, Stone
  • Roof type Other

Listing info

  • Last sold Jun 2014 for $1,330,000

Householders and Tenants for 870 12th St, Boulder CO

Possible residents contact details

Person Name Phone Number Additional Info
Cassand M Norrie Age: 53
Cassandra M Norrie
Cassandra Mcgowin
Constance P Simantob Age: 76
303-938-****
Constance Peck
303-938-****
Jimmy Gleacher
John B Surenkamp Age: 54
Olivia P Simantob Age: 45
303-938-****
Sina Simantob Age: 73

Businesses

Organization Phone Number Additional Info
Birdland International Inc
303-545-****
Industry:
Sporting GoodsBaby Accessories
SIC:
5641 - Children's and Infants' Wear Stores
Site:
birdnests.com
Cinda Johnson
303-545-****
Organization:
Birdland International Inc
Title:
Owner
Site:
birdnests.com

Purchase History

DateEventPriceSourceAgents
06/05/2014 Sold $1,330,000 Public records
05/30/2014 Sold $1,330,000 Agent Submission Leyla Steele
04/03/1996 Sold $585,000 Public records

PURCHASE HISTORY 870 12th St, Boulder CO

04/03/199606/05/2014Date$0$100k$200k$300k$400k$500k$600k$700k$800k$900k$1.0M$1.1M$1.2M$1.3M$1.4MPrices

Cost estimate history

YearTaxAssessmentMarket
2014 N/A $69,571 N/A
2013 $5,850 N/A $874,000

Where is 870 12th St, Boulder CO located on map?

Market Activities

To date, we have no information about market activities in 2025
Mar 2023 Sold
870 12th St
Price history :
  • Single Family
  • 3,608 sqft
  • 4 beds
  • 4 baths
Jan 2023 Sold
870 12th St
Price history :
  • Single Family
  • 3,608 sqft
  • 4 beds
  • 4 baths

View more

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

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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 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
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
840 12 St, Boulder, CO 80302-7521
Single Family Residential
  • 4 beds
  • 2 baths
  • 2,918 sqft
  • Built in 1924
Sue E Harrison, Brooke Mccarthy
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
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
955 12 St, Boulder, CO 80302-7480
Single Family Residential
  • 4 beds
  • 2 baths
  • 3,487 sqft
  • Built in 1939
Little Gem Designs
1045 12 St, Boulder, CO 80302-7285
Multi Family
  • 11 beds
  • 6 baths
  • 5,058 sqft
  • Built in 1906
Rachel Altman, Adrian Amodeo
 

FAQ about the house at 870 12 St, Boulder, CO


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