821 Mapleton Ave Boulder, CO 80304 / 3993

Map

Residence for Single Family

(UPDATED: 08/23/2025)
  • 5 Beds
  • 3 Baths
  • 5.373 square feet
Property Report

Information about property on 821 Mapleton Ave, Boulder CO, 80304-3993. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

At 821 Mapleton Avenue, Boulder, CO based a property, which was built in 1916.

Facts

  • Built in 1916
  • Lot size 8,407 sqft
  • Floor size 5,373 sqft
  • Construction Masonry
  • Rooms 10
  • Bedrooms 5
  • Bathrooms 3
  • Last remodel year 1990
  • Basement Basement (not specified)
  • Heating & Cooling
  • Heat type Forced air unit
  • Exterior Home Features
  • Exterior material Brick
  • Exterior walls Rock, Stone
  • Roof type Asphalt
  • Parking & Garage
  • Parking Detached Garage
  • Parking spaces 2

Misc

  • Units 1

Listing info

  • Last sold Aug 2005 for $2,000,000

Householders and Tenants for 821 Mapleton Ave, Boulder CO

Possible residents contact details

Person Name Phone Number Additional Info
Anthony M Stroh Age: 81
303-449-****
Residential status:
Homeowner
Job:
Professional/Technical
Cheryl A Heyman Age: 71
Mary L Bruny Age: 63
Residential status:
Homeowner
Job:
Machine Operators, Assemblers, and Inspectors Occupations
Michael J Heyman Age: 72
Randi R Stroh Age: 76
303-449-****
Residential status:
Homeowner
Job:
Professional/Technical
Richard Kish
303-440-****
Steven M Bruny Age: 67
Residential status:
Homeowner
Job:
Machine Operators, Assemblers, and Inspectors Occupations
T Barron

Purchase History

DateEventPriceSourceAgents
08/30/2005 Sold $2,000,000 Public records
03/26/1997 Sold $840,000 Public records
08/17/1995 Sold $656,000 Public records
04/11/1995 Sold $630,000 Public records

PURCHASE HISTORY 821 Mapleton Ave, Boulder CO

04/11/199503/26/1997Date$0$200k$400k$600k$800k$1.0M$1.2M$1.4M$1.6M$1.8M$2.0MPrices

Cost estimate history

YearTaxAssessmentMarket
2014 N/A $150,755 N/A
2013 $12,676 N/A $1,893,900

Where is 821 Mapleton Ave, Boulder CO located on map?

Mapleton Ave Fire Incident History

To date, we have no information about fire incidents in 2025
13 Apr 2017 Passenger vehicle fire
311 Mapleton Ave, Boulder CO
Property Use —
Mercantile, business, other
Area of Origin —
Engine area, running gear, wheel area
23 Jun 2014 Building fires
2120 Mapleton Ave, Boulder CO
Property Use —
1 or 2 family dwelling
Area of Origin —
Conduit, pipe, utility, or ventilation shaft
First Ignition —
Item First Ignited, Other
Heat Source —
Lightning
27 May 2013 Fire in mobile home used as fixed residence
2635 Mapleton Ave, Boulder CO
Property Use —
1 or 2 family dwelling
Area of Origin —
Courtyard, patio, porch, terrace
28 Oct 2011 Building fires
1521 Mapleton Ave, Boulder CO
Property Use —
1 or 2 family dwelling
Area of Origin —
Vehicle storage area; garage, carport

View more

Mapleton Ave Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2025
08 May 2015 Power line down
330 Mapleton Ave, Boulder CO
Property Use —
1 or 2 family dwelling
06 May 2015 Gas leak (natural gas or LPG)
1317 Mapleton Ave, Boulder CO
Property Use —
Elementary school, including kindergarten
16 Feb 2015 Unauthorized burning
2056 Mapleton Ave, Boulder CO
Property Use —
1 or 2 family dwelling
15 Feb 2015 Carbon monoxide incident
2420 Mapleton Ave, Boulder CO
Property Use —
1 or 2 family dwelling

View more

Properties Nearby

Street AddressResidens/Landlords
705 Mapleton Ave, Boulder, CO 80304-3991
Single Family Residential
  • 2 beds
  • 2 baths
  • Lot: 8,320 sqft
  • Built in 1900
 Jacqueline Schawrz, Jacqueline Schwarz
711 Mapleton Ave, Boulder, CO 80304-3991
Single Family Residential
  • 3 beds
  • 2 baths
  • 2,666 sqft
  • Built in 1923
 Devils Thumb Enterprises LLC, Jennifer Bateman
720 Mapleton Ave, Boulder, CO 80304-3990
Single Family Residential
  • 4 beds
  • 3 baths
  • 5,091 sqft
  • Built in 1904
 SIX MONTH SMILES INC, Helen M Ferman
735 Mapleton Ave, Boulder, CO 80304-3991
Single Family Residential
  • 3 beds
  • 1 bath
  • 2,830 sqft
  • Built in 1920
 Moth Poetic Circus 1, LLC, Julie L Andersen
811 Mapleton Ave, Boulder, CO 80304-3993
Single Family Residential
  • 5 beds
  • 3 baths
  • 4,997 sqft
  • Built in 1900
 Peter Dierks, Lael A Dierks
829 Mapleton Ave, Boulder, CO 80304-3993
Single Family Residential
  • 4 beds
  • 1 bath
  • 2,316 sqft
  • Built in 1900
 James D Carson, Richard W Carson
839 Mapleton Ave, Boulder, CO 80304-3993
Single Family Residential
  • 2 beds
  • 1 bath
  • 1,800 sqft
  • Built in 1900
 Ravenna Homes LLC, Rachel C Cheatle
847 Mapleton Ave, Boulder, CO 80304-3993
Single Family Residential
  • 3 beds
  • 1 bath
  • 2,525 sqft
  • Built in 1951
 Diamond Tree Service, H Ballou
920 Mapleton Ave, Boulder, CO 80304-4147
Single Family Residential
  • 3 beds
  • 2 baths
  • Lot: 10,062 sqft
  • Built in 1890
 Devon Anker, Jeffrey L Anker
928 Mapleton Ave, Boulder, CO 80304-4147
Single Family Residential
  • 4 beds
  • 1 bath
  • Lot: 7,057 sqft
  • Built in 1902
 Otra Vez Rentals, LLC, Marwan A Albawardi

Mapleton Avenue

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FAQ about the house at 821 Mapleton Ave, Boulder, CO


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