1850 Sunnyvale Ave Walnut Creek, CA 94597 / 1812

Map

Residence for Single Family

(UPDATED: 07/15/2025)
  • 4 Beds
  • 2 Baths
  • 9.496 square feet
Property Report

Information about property on 1850 Sunnyvale Ave, Walnut Creek CA, 94597-1812. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

The single-family possession stands at 1850 Sunnyvale Ave, Walnut Creek, CA.

Facts

  • Built in 1998
  • Lot size 9,496 sqft
  • Rooms 9
  • Bedrooms 4
  • Stories 1 story with basement
  • Last remodel year 1999
  • Basement Basement (not specified)
  • Air conditioning Central
  • Parking & Garage
  • Parking Garage
  • Parking spaces 2

Misc

  • Units 1

Listing info

  • Last sold Feb 2012 for $525,000

Householders and Tenants for 1850 Sunnyvale Ave, Walnut Creek CA

Possible residents contact details

Person Name Phone Number Additional Info
Daniel R Sweetnam Age: 40
925-548-****
Residential status:
Homeowner
Email:
[email protected]
Darja Koehler Age: 62
John C Koehler Age: 59

Possible Businesses

Organization Phone Number Additional Info
KOEHLER NETWORK SERVICES, INC
Type of Business:
Statement & Designation By Foreign Corporation

Purchase History

DateEventPriceSourceAgents
02/13/2012 Sold $525,000 Public records Linda Friedman/Peggy...
11/08/2011 Sold $463,264 Public records
07/29/1999 Sold $377,500 Public records

PURCHASE HISTORY 1850 Sunnyvale Ave, Walnut Creek CA

07/29/199902/13/2012Date$0$100k$200k$300k$400k$500k$600kPrices

Cost estimate history

YearTaxAssessmentMarket
2014 $6,536 $537,930 N/A

Where is 1850 Sunnyvale Ave, Walnut Creek CA located on map?

Sunnyvale Ave Fire Incident History

To date, we have no information about fire incidents in 2025
28 Dec 2011 Building fires
1809 Sunnyvale Ave, Walnut Creek CA
Property Use —
1 or 2 family dwelling
Area of Origin —
Attic: vacant, crawl space above top story, cupola
First Ignition —
Electrical wire, cable insulation
Heat Source —
Heat from direct flame, convection currents
07 Jul 2008 Cooking fire, confined to container
1600 Sunnyvale Ave, Walnut Creek CA
Property Use —
Multifamily dwellings
Area of Origin —
Cooking area, kitchen
First Ignition —
Cooking materials, including edible materials
Heat Source —
Spark, ember or flame from operating equipment

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

To date, we have no information about incidents registered in FEMA in 2025
31 Oct 2014 Building fires
1564 Sunnyvale Ave, Walnut Creek CA
Property Use —
Multifamily dwellings
31 Oct 2014 Building fires
1576 Sunnyvale Ave, Walnut Creek CA
Property Use —
Multifamily dwellings
21 May 2012 Hazardous condition, other
1779 Sunnyvale Ave, Walnut Creek CA
Property Use —
1 or 2 family dwelling
10 Nov 2011 Carbon monoxide incident
1595 Sunnyvale Ave, Walnut Creek CA
Property Use —
Multifamily dwellings

View more

Properties Nearby

Street AddressResidens/Landlords
1836 Sunnyvale Ave, Walnut Creek, CA 94597-1812
Single Family Residential
  • 3 beds
  • 2 baths
  • Lot: 0.3 acres
  • Built in 1966
 Barbara Bricca, Sam Mcconnell
1841 Sunnyvale Ave, Walnut Creek, CA 94597-1811
Single Family Residential
  • 3 beds
  • 2 baths
  • Lot: 0.31 acres
  • Built in 1947
 Chris W Kleppe
1847 Sunnyvale Ave, Walnut Creek, CA 94597-1811
Single Family Residential
  • 1 bed
  • 1 bath
  • Lot: 0.48 acres
  • Built in 1950
 Justina L Clarke, Lynn K Trenkamp
1848 Sunnyvale Ave, Walnut Creek, CA 94597-1812
Single Family Residential
  • 3 beds
  • 2 baths
  • Lot: 9,714 sqft
  • Built in 1941
 Bay Area Cleaning, Ron Hiller
1849 Sunnyvale Ave, Walnut Creek, CA 94597-1811
Single Family Residential
  • 3 beds
  • 2 baths
  • Lot: 0.26 acres
  • Built in 1949
 John M Hasse, Maria R Hasse
1853 Sunnyvale Ave, Walnut Creek, CA 94597-1860
Single Family Residential
  • 3 beds
  • 1 bath
  • 1,899 sqft
  • Built in 1941
 Thomas Albright, Austin D Loyd
1860 Sunnyvale Ave, Walnut Creek, CA 94597-1812
Unspecified
  • 2 beds
  • 1 bath
  • Lot: 0.45 acres
 Eileen Northup, Lloyd T Northup
1872 Sunnyvale Ave, Walnut Creek, CA 94597-1812
Single Family Residential
  • 3 beds
  • 2 baths
  • Lot: 0.9 acres
  • Built in 2012
 Payman P Azad, Al Dadafarin

Sunnyvale Avenue

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Walnut Creek, CA

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FAQ about the house at 1850 Sunnyvale Ave, Walnut Creek, CA


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