840 Contra Costa Ave Berkeley, CA 94707 / 1920

Residence for Single Family

(UPDATED: 08/17/2025)
  • 7 Beds
  • 3 Baths
  • 5.824 square feet
Property Report

Information about property on 840 Contra Costa Ave, Berkeley CA, 94707-1920. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

At 840 Contra Costa Avenue, Berkeley, CA placed a single-family estate.

Facts

  • Built in 1918
  • Lot size 5,824 sqft
  • Construction Frame
  • Rooms 12
  • Bedrooms 7
  • Bathrooms 3
  • Stories 2 story
  • Last remodel year 1935
  • Structure type Other
  • Parking & Garage
  • Parking Garage

Listing info

  • Last sold Jul 2004 for $1,325,000

Householders and Tenants for 840 Contra Costa Ave, Berkeley CA

Possible residents contact details

Person Name Phone Number Additional Info
Andrew D Nystrom
Arne J Klingstrom Age: 80
Charles B Sawyer Age: 88
David Roberts Age: 57
Residential status:
Homeowner
Job:
Clerical/White Collar
Deborah A Koski Age: 46
510-526-****
Diane Varney
510-525-****
Residential status:
Renter
Job:
Production Occupations
Haley M Hashagen
Jane G Sweeney
530-521-****
Jody Roberts
Residential status:
Homeowner
Karen D Ng Age: 57
Residential status:
Homeowner
Job:
Professional/Technical
Key Slay
510-525-****
Monika D Slay Age: 53
510-525-****
Robert Lerner
Taly Slay
510-525-****
Terry Feniger
510-524-****
William S Rahilly

Purchase History

DateEventPriceSourceAgents
05/19/2005 Sold $1,306,000 Public records Tami Bobb
07/13/2004 Sold $1,325,000 Public records

Cost estimate history

YearTaxAssessmentMarket
2014 $21,959 $1,492,326 N/A

Where is 840 Contra Costa Ave, Berkeley CA located on map?

Contra Costa Ave Fire Incident History

To date, we have no information about fire incidents in 2025
22 Nov 2019 Building fires
Property Use —
1 or 2 family dwelling
Area of Origin —
Bedroom - < 5 persons; included are jail or prison
First Ignition —
Electrical wire, cable insulation
Heat Source —
Arcing

Contra Costa Ave Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2025
26 Dec 2006 Gasoline or other flammable liquid spill
Property Use —
1 or 2 family dwelling
02 Sep 2005 Heat from short circuit (wiring), defective/worn
Property Use —
1 or 2 family dwelling

Properties Nearby

Street AddressResidens/Landlords
 

FAQ about the house at 840 Contra Costa Ave, Berkeley, CA


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