20273 Forest Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 20273 Forest Ave, Castro Valley, CA 94546

Property Summary

Property Type	Condominium
Details	2 bd · 2 ba · 1,193 sqft · built 1982
Lot Size	0.704 acres (30,683 sqft)
Owner	2 Individual Names on Record
Last Sale	$688,000 (Jan 2021)
Tax Bill	$9,614 (2025)
Deeds & Mortgages	May 2017 Line of Credit Feb 2019 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`84C-1072-12`

Property Details

APN / Parcel Number

Primary APN	`84C-1072-12`
Alternative APNs	`084C-1072-012-00` `084C072411800`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	4 Rooms
Stories	2 Stories
Building Area	1,193 sqft Living Area

Exterior

Year Built	Built 1982
Effective Year Built	Effective 1982
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	30,683 sqft (0.704 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	20273 FOREST AVE
City	CASTRO VALLEY
State	CA
Zip	94546-4522
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	TR: 4292 LOT: BLDG: UNIT:7
Legal Subdivision	TRACT 4292
Legal Tract	4292
Legal Lot Number	1
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4002
Census Tract	430800

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	2 Individual Names on Record
Mailing Address	20273 FOREST AVE, CASTRO VALLEY, CA 94546-4522
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
May 5, 2017	Deed of Trust, Mortgage · Line of Credit FREMONT BANK
Feb 21, 2019	Deed of Trust, Mortgage · Line of Credit FREMONT BANK
Jan 11, 2021	Grant Deed, Transfer · Conventional Mortgage GOOGAIN INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 11, 2021 · Amount on Record
Deed Sale	Jan 11, 2021 · Amount on Record
Prior Sale	Dec 10, 2012 · Amount on Record
Deed Document Number	202111854
Prior Transfer Date	Aug 18, 2004
Prior Transfer Doc	0000479491
Record Updated	Oct 29, 2026

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	20273 FOREST AVE, CASTRO VALLEY, CA 94546-4522
Transaction Type	Mortgage
Record Updated	Jul 19, 2022
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000100616
Date	May 5, 2017
Instrument	2017100616

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	359 Months
Due	Apr 29, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	20273 FOREST AVE, CASTRO VALLEY, CA 94546-4522
Transaction Type	Mortgage
Record Updated	Jul 19, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000032370
Date	Feb 21, 2019
Instrument	2019032370

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Feb 19, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 11, 2021
Property Address	20273 FOREST AVE, CASTRO VALLEY, CA 94546-4522
Document Number	0000011854
Map Reference	MB 126 PG 80&81
Instrument Date	Jan 4, 2021
Instrument	2021011854
Transaction Type	Transfer
Record Updated	Jul 19, 2022
Title Company	NORTH AMERICAN TITLE CO INC

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$756.80
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	20273 FOREST AVE, CASTRO VALLEY, CA 94546-4522

Mortgage

Document Number	0000011855
Date	Jan 11, 2021
Instrument	2021011855

Lender

Name	GOOGAIN INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2051

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$615,000 (-17.42%) Land $186,600 Building $435,400
2025	$9,614.00 (+3.95%) Homeowner's exemption	$744,704 (+4.04%) Land $223,411 Building $521,293
2023	$9,249.00	$715,794 Land $214,738 Building $501,056	$672,480

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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 94% of the US · lower than 96% of California
Wildfire Likelihood	Under 0.01% 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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 777 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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