320 de Leon Ave, Fremont, CA 94539 Property Records

Alameda County property record for 320 de Leon Ave, Fremont, CA 94539

Property Summary

Property Type	Single Family Home
Details	4 bd · 5 ba · 3,444 sqft · built 1953
Lot Size	0.119 acres (5,184 sqft)
Owner	Individual Name on Record
Last Sale	$1,000,000 (Jun 2006)
Tax Bill	$16,741 (2025)
Deeds & Mortgages	Jan 2021 Mortgage Apr 2020 Mortgage
Flood Zone	Zone X (moderate risk)
APN	`513-662-4`

Property Details

APN / Parcel Number

Primary APN	`513-662-4`
Alternative APN	`513-0662-004-00`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	3,444 sqft Living Area

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1993
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	5,184 sqft (0.119 acres)
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	320 DE LEON AVE
City	FREMONT
State	CA
Zip	94539-5705
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	LOT: 00004 BLK: 000A TR: 1223
Legal Tract	1223
Legal Block	A
Legal Lot Number	4
Jurisdiction	ALAMEDA CA
Township / Civil Division	FREMONT
Census Block Group	1
Census Block	1000
Census Tract	443104

Owner

Source: Alameda County records, as of August 5, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	320 DE LEON AVE, FREMONT, CA 94539-5705
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jan 20, 2021	Deed of Trust, Mortgage · Conventional Mortgage GIANT REALTY INC
Apr 27, 2020	Deed of Trust, Mortgage · Conventional Mortgage GIANT REALTY INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 30, 2006 · Amount on Record
Deed Sale	Jun 30, 2006 · Amount on Record
Prior Sale	Sep 29, 2000 · Amount on Record
Deed Document Number	2006253386
Last Transfer Date	Oct 19, 2012
Transfer Doc	0000356849
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	320 DE LEON AVE, FREMONT, CA 94539-5705
Document Number	0000035131
Instrument Date	Jan 20, 2021
Transaction Type	Mortgage
Record Updated	Mar 24, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	320 DE LEON AVE FREMONT CA 945395705, FREMONT, CA 94539-5705

Mortgage

Document Number	0000035131
Date	Jan 28, 2021
Instrument	35131

Lender

Name	GIANT REALTY INC
Address	SARATOGA, CA 95070

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 27, 2051

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	320 DE LEON AVE, FREMONT, CA 94539-5705
Document Number	0000107626
Instrument Date	Apr 27, 2020
Transaction Type	Mortgage
Record Updated	Jun 23, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	320 DE LEON AVE FREMONT CA 945395705, FREMONT, CA 94539-5705

Mortgage

Document Number	0000107626
Date	May 11, 2020
Instrument	107626

Lender

Name	GIANT REALTY INC
Address	CUPERTINO, CA 95014

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 10, 2050

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Fremont City
Unified School District	Fremont Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,386,780 (+1.49%) Land $418,134 Building $975,646
2025	$16,741.00 (+7.94%) Homeowner's exemption	$1,366,460 (+4.04%) Land $409,938 Building $956,522
2023	$15,509.00 Homeowner's exemption	$1,313,410 Land $394,023 Building $919,387	$1,746,270

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective May 25, 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 64% of the US · lower than 79% of California
Wildfire Likelihood	0.04% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	ALAMEDA COUNTY WATER DISTRICT serves 344,000 people · EPA ID CA0110001
Water Source	Surface water
Last State Inspection	Nov 2025
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 794 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Sail Internet Fixed Wireless	1,000 / 200
Verizon Fixed Wireless	1,000 / 75
Tekify Fiber & Wireless Fixed Wireless	580 / 125
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: Etheric Networks, GeoLinks, Ridge Wireless.

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