4320 Grinnell Ave Boulder, CO 80305 / 6611

Map

Residence for Single Family

(UPDATED: 09/15/2025)
  • 3 Beds
  • 1 Baths
  • 8.015 square feet
Property Report

Information about property on 4320 Grinnell Ave, Boulder CO, 80305-6611. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

A single-family property at 4320 Grinnell Ave, Boulder, Colorado.

Facts

  • Built in 1967
  • Lot size 8,015 sqft
  • Construction Masonry
  • Rooms 7
  • Bedrooms 3
  • Bathrooms 1
  • Basement Unfinished Basement
  • Heating & Cooling
  • Heat type Forced air unit
  • Exterior Home Features
  • Exterior walls Brick veneer
  • Parking & Garage
  • Parking Attached Garage
  • Parking spaces 2

Householders and Tenants for 4320 Grinnell Ave, Boulder CO

Possible residents contact details

Person Name Phone Number Additional Info
Dennis E Brech
303-499-****
Residential status:
Homeowner
Job:
Homemaker
George L Hesse Age: 74
970-854-****
Janice K Brech Age: 79
303-499-****
Ruth A Hesse Age: 76
720-304-****

Cost estimate history

YearTaxAssessmentMarket
2014 N/A $44,298 N/A
2013 N/A N/A $556,500

Where is 4320 Grinnell Ave, Boulder CO located on map?

Grinnell Ave Fire Incident History

To date, we have no information about fire incidents in 2025
22 Sep 2019 Special outside fire, other
4215 Grinnell Ave, Boulder CO
Property Use —
Church, mosque, synagogue, temple, chapel
Area of Origin —
Courtyard, patio, porch, terrace
First Ignition —
Heavy vegetation - not crop, including trees
Heat Source —
Hot ember or ash
21 May 2007 Building fires
4265 Grinnell Ave, Boulder CO
Property Use —
1 or 2 family dwelling
Area of Origin —
Attic: vacant, crawl space above top story, cupola
First Ignition —
Structural member or framing
Heat Source —
Lightning

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

To date, we have no information about incidents registered in FEMA in 2025
10 Nov 2015 Gas leak (natural gas or LPG)
4450 Grinnell Ave, Boulder CO
Property Use —
1 or 2 family dwelling
05 Aug 2008 Gas leak (natural gas or LPG)
4315 Grinnell Ave, Boulder CO
Property Use —
Outside or special property, other
27 Nov 2006 Gas leak (natural gas or LPG)
4435 Grinnell Ave, Boulder CO
Property Use —
1 or 2 family dwelling

Properties Nearby

Street AddressResidens/Landlords
4215 Grinnell Ave, Boulder, CO 80305-6698
  • St Pauls Methodist Church
 Boulder Beautiful Korean Church, St Paul S United Methodist Church Study

Grinnell Avenue

Recently Sold Homes on Grinnell Avenue (7)

Recent rentals on Grinnell Avenue (1)

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FAQ about the house at 4320 Grinnell Ave, Boulder, CO


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