70 31st St Boulder, CO 80305 / 3407

Residence for Single Family

(UPDATED: 09/25/2025)
  • 3 Beds
  • 1 Baths
  • 7.187 square feet
Sold Feb 2022
$1,629,744
Property Report

Information about property on 70 31st St, Boulder CO, 80305-3407. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

The single-family one ranch is placed at 70 31st Street, Boulder, Colorado.

Facts

  • Built in 1955
  • Lot size 7,187 sqft
  • Construction Masonry
  • Rooms 6
  • Bedrooms 3
  • Bathrooms 1
  • Stories 1 story
  • Last remodel year 1959
  • Style Ranch/Rambler
  • Heating & Cooling
  • Heat type Forced air unit
  • Exterior Home Features
  • Exterior material Brick
  • Exterior walls Brick veneer

Listing info

  • Last sold Dec 1978 for $57,000

Householders and Tenants for 70 31st St, Boulder CO

Possible residents contact details

Person Name Phone Number Additional Info
Earl N Armbrust
303-494-****
Mark A Armbrust Age: 68
303-494-****
Residential status:
Homeowner
Job:
Protective Service Occupations

Purchase History

DateEventPriceSourceAgents
08/09/1994 Sold $180,000 Public records

Cost estimate history

YearTaxAssessmentMarket
2014 N/A $27,087 N/A
2013 $2,278 N/A $340,300

Where is 70 31st St, Boulder CO located on map?

Market Activities

To date, we have no information about market activities in 2025
Feb 2022 Sold
70 31st St
Price history :
  • Single Family
  • 2,698 sqft
  • 4 beds
  • 4 baths
Jul 2021 Sold
70 31st St
Price history :
  • Single Family
  • 2,698 sqft
  • 4 beds
  • 4 baths

View more

31st St Fire Incident History

To date, we have no information about fire incidents in 2025
19 Dec 2010 Natural vegetation fire, other
Property Use —
1 or 2 family dwelling
Area of Origin —
Outside area, other
First Ignition —
Rubbish, trash, or waste
Heat Source —
Hot ember or ash
21 Feb 2010 Building fires
Property Use —
1 or 2 family dwelling
Area of Origin —
Attic: vacant, crawl space above top story, cupola
First Ignition —
Insulation within structural area
Heat Source —
Hot or smoldering object, other
03 Sep 2007 Building fires
Property Use —
1 or 2 family dwelling
Area of Origin —
Exterior stairway, ramp, or fire escape
First Ignition —
Organic materials, other
Heat Source —
Hot ember or ash

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

To date, we have no information about incidents registered in FEMA in 2025
12 Sep 2015 Unauthorized burning
Property Use —
1 or 2 family dwelling
30 Apr 2014 Unauthorized burning
Property Use —
1 or 2 family dwelling
27 Oct 2008 Carbon monoxide incident
Property Use —
1 or 2 family dwelling
10 Jun 2004 Arcing, shorted electrical equipment
Property Use —
1 or 2 family dwelling

View more

Properties Nearby

Street AddressResidens/Landlords
40 31 St, Boulder, CO 80305-3407
Single Family Residential
  • 3 beds
  • 3 baths
  • 3,315 sqft
  • Built in 1955
Camille Amaya, Linda S Baran
325 31 St, Boulder, CO 80305-3404
Single Family Residential
  • 3 beds
  • 1 bath
  • Lot: 7,884 sqft
  • Built in 1955
Marce and Associates, Janice L Fairbank
335 31 St, Boulder, CO 80305-3404
Single Family Residential
  • 3 beds
  • 1 bath
  • 1,332 sqft
  • Built in 1955
Samuel Berweger, Katie Rose
340 31 St, Boulder, CO 80305-3405
Single Family Residential
  • 3 beds
  • 1 bath
  • Lot: 7,187 sqft
  • Built in 1955
Ckcs Properties LLC, D Aga
355 31 St, Boulder, CO 80305-3404
Single Family Residential
  • 3 beds
  • 1 bath
  • Lot: 6,273 sqft
  • Built in 1955
Jerrold King, Nancy Kovacic
700 31 St, Boulder, CO 80303-2402
Single Family Residential
  • 4 beds
  • 1 bath
  • Lot: 7,362 sqft
  • Built in 1961
Jessica R Bloye, Mark Donahoe
705 31 St, Boulder, CO 80303-2401
Single Family Residential
  • 4 beds
  • 1 bath
  • Lot: 7,187 sqft
  • Built in 1961
Shawlsbyveronika LLC, Theskilift LLC
715 31 St, Boulder, CO 80303-2401
Single Family Residential
  • 3 beds
  • 1 bath
  • Lot: 6,578 sqft
  • Built in 1961
Tony M Comfort, Dana S Crawford
720 31 St, Boulder, CO 80303-2402
Single Family Residential
  • 3 beds
  • 1 bath
  • Lot: 6,882 sqft
  • Built in 1961
Casa Futura Technologies, Casa Futura Technologies
725 31 St, Boulder, CO 80303-2401
Single Family Residential
  • 3 beds
  • 1 bath
  • Lot: 6,752 sqft
  • Built in 1961
On-Site Computers, LLC, Scott R Biggs
 

FAQ about the house at 70 31 St, Boulder, CO


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