303 21st St Boulder, CO 80302 / 8012

Map

Residence for Single Family

(UPDATED: 08/18/2025)
  • 3 Beds
  • 1 Baths
  • 2.359 square feet
Property Report

Information about property on 303 21st St, Boulder CO, 80302-8012. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

This is a spacious single-family possession, which is situated at 303 21st Street, Boulder, CO.

Facts

  • Built in 1971
  • Lot size 9,017 sqft
  • Floor size 2,359 sqft
  • Construction Frame
  • Rooms 6
  • Bedrooms 3
  • Last remodel year 1978
  • Basement Improved Basement (Finished)
  • Heating & Cooling
  • Heat type Hot Water
  • Exterior Home Features
  • Exterior material Brick
  • Exterior walls Brick veneer
  • Roof type Asphalt
  • Parking & Garage
  • Parking Attached Garage
  • Parking spaces 1

Listing info

  • Last sold Jul 1989 for $155,000

Householders and Tenants for 303 21st St, Boulder CO

Possible residents contact details

Person Name Phone Number Additional Info
Eileen K Michael
303-449-****
Eileen K Miller Age: 72
303-449-****
Residential status:
Homeowner
Job:
Professional/Technical
Email:
[email protected]
Elizabeth Kay
Residential status:
Homeowner
Job:
Executive, Administrative, and Managerial Occupations
George Kay
Residential status:
Homeowner
Job:
Executive, Administrative, and Managerial Occupations
Jean W Kay
Residential status:
Homeowner
Kay Miller
Kyle Miller Age: 39
720-352-****
Residential status:
Homeowner
Job:
Professional/Technical
Email:
[email protected]
Michael F Miller Age: 72
303-449-****
Residential status:
Homeowner
Job:
Professional/Technical
Pia Piro Age: 80
Tenzin Namkha Age: 55

Possible Businesses

Organization Phone Number Additional Info
Jean L Kay
Industry:
Business Services at Non-Commercial SiteNonclassifiable Establishments
Strata Business Systems, Inc
Industry:
Business Services

Cost estimate history

YearTaxAssessmentMarket
2014 N/A $51,175 N/A
2013 $4,303 N/A $642,900

Where is 303 21st St, Boulder CO located on map?

21st St Fire Incident History

To date, we have no information about fire incidents in 2025
03 May 2010 Outside equipment fire
3631 21 St, Boulder CO
Property Use —
1 or 2 family dwelling
Area of Origin —
Courtyard, patio, porch, terrace
First Ignition —
Flammable liquid/gas - uncontained
Heat Source —
Spark, ember or flame from operating equipment
10 Feb 2010 Building fires
1770 21st St, Boulder CO
Property Use —
Residential, other
Area of Origin —
Cooking area, kitchen
First Ignition —
Goods not made up, including fabrics & yard goods
Heat Source —
Radiated, conducted heat from operating equipment
30 Jun 2005 Building fires
1770 21st St, Boulder CO
Property Use —
Alcohol or substance abuse recovery center
Area of Origin —
Ceiling & floor assembly, crawl space b/t stories
First Ignition —
Electrical wire, cable insulation
Heat Source —
Heat from powered equipment, other

21st St Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2025
16 Sep 2015 Overheated motor
1770 21st St, Boulder CO
Property Use —
Alcohol or substance abuse recovery center
21 Feb 2014 Arcing, shorted electrical equipment
2961 21 St, Boulder CO
Property Use —
1 or 2 family dwelling
01 Nov 2011 Power line down
2990 21 St, Boulder CO
Property Use —
1 or 2 family dwelling
31 Jul 2010 Outside rubbish, trash or waste fire
1770 21st St, Boulder CO
Property Use —
Outside or special property, other

View more

Properties Nearby

Street AddressResidens/Landlords
390 21st St, Boulder, CO 80302-8013
Single Family Residential
  • 4 beds
  • 2 baths
  • Lot: 9,104 sqft
  • Built in 1955
 Sarah E Harding, Frank H Welty
525 21st St, Boulder, CO 80302-7907
Single Family Residential
  • 2 beds
  • 1 bath
  • 1,228 sqft
  • Built in 1950
 Lynne K Daily, Lynne K Kester
1965 21st St, Boulder, CO 80302-4509
Single Family
  • 2 beds
  • 3 baths
  • 2,314 sqft
  • Built in 1998
 Spa Bebe Massage, Inc, David M Arm
2333 21st St, Boulder, CO 80304-4279
Single Family
  • 3 beds
  • 2 baths
  • 2,054 sqft
  • Built in 1920
 Ashleigh Elizabeth Armitage, K S Armitage
2811 21st St, Boulder, CO 80304-2707
Single Family Residential
  • 4 beds
  • 1 bath
  • Lot: 0.25 acres
  • Built in 1956
 Armitage Photography, Denver & Boulder Valley Railroad LLC
2881 21st St, Boulder, CO 80304-2707
Single Family
  • 3 beds
  • 3.5 baths
  • Lot: 8,581 sqft
  • Built in 1955
 Dottie H Oatman, Make Room for Art, LLC
2921 21st St, Boulder, CO 80304-2747
Single Family
  • 3 beds
  • 2 baths
  • 2,387 sqft
  • Built in 1957
 Kausar Amjad, Israr U Haq
2940 21st St, Boulder, CO 80304-2748
Single Family
  • 3 beds
  • 2 baths
  • 1,050 sqft
 Jennifer L Collins, E M Denitto
2991 21st St, Boulder, CO 80304-2747
Single Family
  • 4 beds
  • 2 baths
  • Lot: 0.26 acres
  • Built in 1956
 Kip Deighan, Dean Lauer
3629 21st St, Boulder, CO 80304-1607
Single Family
  • 4 beds
  • 4 baths
  • 4,704 sqft
  • Built in 1987
 Elke B Adler, Rolf M Adler

21st Street

Houses for Sale on 21st Street (1)

Recently Sold Homes on 21st Street (8)

Recent rentals on 21st Street (2)

Boulder, CO

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Houses for Rent on Boulder, CO (9)

Recent rentals on Boulder, CO (2073)

 

FAQ about the house at 303 21st St, Boulder, CO


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