3939 Forest Cir, Castro Valley, CA 94546 Property Records

Alameda County property record for 3939 Forest Cir, Castro Valley, CA 94546

Property Summary

Property Type	Townhouse
Details	2 bd · 2.5 ba · 1,212 sqft · built 2009
Lot Size	0.043 acres (1,875 sqft)
Owner	2 Individual Names on Record
Last Sale	$342,000 (Dec 2009)
Tax Bill	$6,078 (2025)
Deeds & Mortgages	Jul 2023 Mortgage Feb 2021 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`84C-1071-22`

Property Details

APN / Parcel Number

Primary APN	`84C-1071-22`
Alternative APN	`084C-1071-022-00`

Interior

Bedrooms	2 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	1,212 sqft Living Area

Exterior

Year Built	Built 2009
Effective Year Built	Effective 2009
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	1,875 sqft (0.043 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	3939 FOREST CIR
City	CASTRO VALLEY
State	CA
Zip	94546-4594
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	LOT: 00019 BLK: TR: 7709
Legal Subdivision	FOREST CIRCLE
Legal Tract	7709
Legal Lot Number	19
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4001
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	3939 FOREST CIR, CASTRO VALLEY, CA 94546-4594
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 28, 2023	Deed of Trust, Mortgage · Conventional Mortgage GOOGAIN INC
Feb 11, 2021	Affidavit of Death of Joint Tenant, Transfer ACCOMODATION, ACCOMMODATION
Feb 11, 2021	Intrafamily Transfer, Transfer ACCOMODATION, ACCOMMODATION
Jun 1, 2017	Affidavit of Death of Joint Tenant, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 23, 2009 · Amount on Record
Deed Sale	Dec 23, 2009 · Amount on Record
Deed Document Number	2009393423
Last Transfer Date	Feb 9, 2021
Transfer Doc	0000061837
Record Updated	Oct 29, 2026

July 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	3939 FOREST CIR, CASTRO VALLEY, CA 94546-4594
Transaction Type	Mortgage
Record Updated	Aug 30, 2023
Title Company	ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3939 FOREST CIR, CASTRO VALLEY, CA 94546-4594

Mortgage

Document Number	0000085907
Date	Jul 28, 2023
Instrument	2023085907

Lender

Name	GOOGAIN INC
Type	Mortgage Company
Address	SUNNYVALE, CA 94086

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2053

February 2021: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	ALAMEDA CA
Recording Date	Feb 11, 2021
Property Address	3939 FOREST CIR, CASTRO VALLEY, CA 94546-4594
Document Number	0000061836
Map Reference	MB 301 PG 70
Instrument Date	Feb 9, 2021
Instrument	2021061836
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	ACCOMODATION, ACCOMMODATION

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3939 FOREST CIR, CASTRO VALLEY, CA 94546-4594

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Feb 11, 2021
Property Address	3939 FOREST CIR, CASTRO VALLEY, CA 94546-4594
Document Number	0000061837
Map Reference	MB 301 PG 70
Instrument Date	Feb 9, 2021
Instrument	2021061837
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	ACCOMODATION, ACCOMMODATION

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3939 FOREST CIR, CASTRO VALLEY, CA 94546-4594

June 2017: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	ALAMEDA CA
Recording Date	Jun 1, 2017
Property Address	3939 FOREST CIR, CASTRO VALLEY, CA 94546-4594
Document Number	0000119042
Map Reference	MB301 PG70
Instrument Date	Jan 31, 2017
Instrument	2017119042
Transaction Type	Transfer
Record Updated	Aug 19, 2021

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

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		$450,256 (+2%) Land $135,077 Building $315,179
2025	$6,078.00 (+4.22%)	$441,428 (+4.04%) Land $132,428 Building $309,000
2023	$5,832.00	$424,291 Land $127,287 Building $297,004	$708,750

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
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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