521 Fremont Ave Los Altos, CA 94024 / 4863

Residence for Single Family

(UPDATED: 07/29/2025)
  • 4 Beds
  • 5 Baths
  • 2.085 square feet
Property Report

Information about property on 521 Fremont Ave, Los Altos CA, 94024-4863. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

A big single-family one estate at 521 Fremont Avenue, Los Altos, CA.

Facts

  • Built in 1952
  • Lot size 10,454 sqft
  • Floor size 2,085 sqft
  • Rooms 8
  • Bedrooms 4
  • Bathrooms 5
  • Stories 1 story
  • Last remodel year 1952
  • Structure type Other
  • Parking & Garage
  • Parking Garage
  • Parking spaces 2

Misc

  • Units 1

Listing info

  • Last sold Jun 2011 for $1,220,000

Householders and Tenants for 521 Fremont Ave, Los Altos CA

Possible residents contact details

Person Name Phone Number Additional Info
Emily Y Shih
510-593-****
Residential status:
Homeowner
Frans W Sijstermans Age: 63
650-947-****
Hsuan Shih
Job:
Machine Operators, Assemblers, and Inspectors Occupations
Hsuanchi Shih Age: 56
Hsuankuang A Shih Age: 58
650-224-****
Residential status:
Homeowner
Job:
Professional/Technical
Kristin H Brenner
Liyen Shih
Marij L Sijstermans Age: 63
650-823-****
Residential status:
Homeowner
Job:
Professional/Technical
Mary L Sijstermans Age: 64
650-947-****
Residential status:
Homeowner
Ping Shih

Purchase History

DateEventPriceSourceAgents
06/10/2011 Sold $1,220,000 Public records
10/05/1999 Sold $784,000 Public records

Cost estimate history

YearTaxAssessmentMarket
2014 $16,085 $1,275,050 N/A

Where is 521 Fremont Ave, Los Altos CA located on map?

Fremont Ave Fire Incident History

To date, we have no information about fire incidents in 2025
16 Apr 2015 Fire, other
Property Use —
1 or 2 family dwelling
Area of Origin —
Office
Heat Source —
Heat from powered equipment, other
23 Aug 2014 Outside rubbish, trash or waste fire
Property Use —
1 or 2 family dwelling
Area of Origin —
Construction/renovation area
First Ignition —
Oily rags
Heat Source —
Chemical reaction
23 Jan 2014 Fire, other
Property Use —
Outside or special property, other
Area of Origin —
Highway, parking lot, street: on or near
First Ignition —
Organic materials, other
Heat Source —
Hot ember or ash
29 Jul 2008 Fuel burner/boiler malfunction, fire confined
Property Use —
Professional supplies, services
Area of Origin —
Heating room or area, water heater area
First Ignition —
Flammable liquid/gas - in/from engine or burner
Heat Source —
Heat from powered equipment, other

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

To date, we have no information about incidents registered in FEMA in 2025
23 Jan 2015 Gas leak (natural gas or LPG)
Property Use —
Food and beverage sales, grocery store
14 Dec 2012 Gasoline or other flammable liquid spill
Property Use —
Vehicle parking area
24 Sep 2011 Hazardous condition, other
Property Use —
Bank
24 Jul 2011 Natural vegetation fire, other
Property Use —
1 or 2 family dwelling

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Fremont Ave Crime Incidents History

To date, we have no information about crime incidents in 2025
08 Aug 2017 Other
600 Block Fremont Ave, Los Altos CA
Case Number —
L170808042
Description —
Type: MUNI CODE VIOLATION
Disposition: U UNFOUNDED
08 Aug 2017 Vehicle Stop
600 Block Fremont Ave, Los Altos CA
Case Number —
L170808034
Description —
Type: TRAFFIC STOP
Disposition: W WARNING
08 Aug 2017 Other
800 Block Fremont Ave, Los Altos CA
Case Number —
L170808010
Description —
Type: PENAL CODE VIOL
Disposition: DUP DUPLICATE CALL
07 Aug 2017 Disorder
700 Block Fremont Ave, Los Altos CA
Case Number —
L170807038
Description —
Type: SUSPICIOUS VEHICLE
Disposition: N NO REPORT TAKEN

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Properties Nearby

Street AddressResidens/Landlords
271 Fremont Ave, Los Altos, CA 94024-4066
Single Family Residential
  • 6 beds
  • 5 baths
  • Lot: 0.86 acres
  • Built in 2004
Aquarian Solutions Integrated, LLC, INDUS ENTERPRISES, INC
289 Fremont Ave, Los Altos, CA 94024-4066
Single Family Residential
  • 4 beds
  • 5 baths
  • Lot: 0.86 acres
  • Built in 1979
Amber Hubback, Gary W Hubback
305 Fremont Ave, Los Altos, CA 94024-4000
Single Family Residential
  • 2 beds
  • 1 bath
  • Lot: 0.88 acres
  • Built in 1926
Karen M Bateman, Lillian B Beltramo
375 Fremont Ave, Los Altos, CA 94024-4000
Single Family Residential
  • 3 beds
  • 5 baths
  • 2,369 sqft
  • Built in 1921
Bistro Blends Los Altos, Sandila Ekaputri
387 Fremont Ave, Los Altos, CA 94024-4000
Single Family Residential
  • 3 beds
  • 5 baths
  • Lot: 0.88 acres
  • Built in 1921
THESEUS TECHNOLOGIES, Wireless Technologies, A California Limited Partnership
551 Fremont Ave, Los Altos, CA 94024-4863
Single Family Residential
  • 4 beds
  • 5 baths
  • 2,953 sqft
  • Built in 1972
Aton International, Inc., William Gruenholz
561 Fremont Ave, Los Altos, CA 94024-4863
Single Family Residential
  • 3 beds
  • 2 baths
  • Lot: 0.33 acres
  • Built in 1999
Ira W Castain, Melda Castain
 

FAQ about the house at 521 Fremont Ave, Los Altos, CA


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