20556 Forest Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 20556 Forest Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,319 sqft · built 1932
Lot Size	0.106 acres (4,606 sqft)
Owner	Individual Name on File
Last Sale	$900,000 (Jul 2026)
Tax Bill	$10,482 (2025)
Deeds & Mortgages	Jul 2026 Sale & Mortgage Jul 2026 Sale + 3 more
Flood Zone	Zone X (minimal risk)
APN	`84C-1071-1`

Property Details

APN / Parcel Number

Primary APN	`84C-1071-1`
Alternative APNs	`084C-1071-001-00` `084C071600107`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,319 sqft Living Area

Exterior

Year Built	Built 1932
Effective Year Built	Effective 1990
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	4,606 sqft (0.106 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	20556 FOREST AVE
City	CASTRO VALLEY
State	CA
Zip	94546-4529
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00001 BLK: AR: 084C PAGE: 1071
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4001
Census Tract	430800

Owner

20556 Forest Ave is owned and occupied by an individual who bought it in July 2026.

Source: Alameda County records, as of September 2, 2026

Owner of Record	Individual Name on File
Mailing Address	20556 FOREST AVE, CASTRO VALLEY, CA 94546-4529
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jul 17, 2026	Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Jul 17, 2026	Deed, Transfer CHICAGO TITLE W, CHICAGO TITLE
Jan 23, 2023	Grant Deed, Transfer
Sep 28, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Jan 28, 2020	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 17, 2026 · Amount on File
Deed Sale	Jul 17, 2026 · Amount on File
Prior Sale	Oct 12, 2016 · Amount on File
Deed Document Number	202693127
Prior Transfer Date	Jan 23, 2020
Prior Transfer Doc	0000017989
Record Updated	Oct 29, 2026

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jul 17, 2026
Property Address	20556 FOREST AVE, CASTRO VALLEY, CA 94546-4529
Document Number	0000093127
Instrument Date	Jul 10, 2026
Instrument	202693127
Transaction Type	Transfer
Record Updated	Sep 2, 2026
Title Company	CHICAGO TITLE W, CHICAGO TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$99,990.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	20556 FOREST AVE, CASTRO VALLEY, CA 94546-4529

Mortgage

Document Number	0000093129,
Date	Jul 17, 2026
Instrument	202693129

Lender

Name	ROCKET MORTGAGE LLC

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Aug 1, 2056

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

July 2026: Deed, Transfer

Document Type	Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jul 17, 2026
Property Address	20556 FOREST AVE, CASTRO VALLEY, CA 94546-4529
Document Number	0000093128
Instrument Date	Jul 2, 2026
Instrument	202693128
Transaction Type	Transfer
Record Updated	Sep 2, 2026
Title Company	CHICAGO TITLE W, CHICAGO TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	20556 FOREST AVE, CASTRO VALLEY, CA 94546-4529

January 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 23, 2023
Property Address	20556 FOREST AVE, CASTRO VALLEY, CA 94546-4529
Document Number	0000006938
Instrument Date	Jan 23, 2023
Instrument	2023006938
Transaction Type	Transfer
Record Updated	Apr 10, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	551 SILVER MAPLE DR, HERCULES, CA 94547-2311
Investor	Possibly a Property Investor

September 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 28, 2020
Property Address	20556 FOREST AVE, CASTRO VALLEY, CA 94546-4529
Document Number	0000250374
Instrument Date	Aug 25, 2020
Instrument	250374
Transaction Type	Transfer
Record Updated	Dec 11, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	20556 FOREST AVE CASTRO VALLEY CA 945464529, CASTRO VALLEY, CA 94546-4529

January 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 28, 2020
Property Address	20556 FOREST AVE, CASTRO VALLEY, CA 94546-4529
Document Number	0000017989
Instrument Date	Jan 23, 2020
Instrument	17989
Transaction Type	Transfer
Record Updated	Mar 24, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	551 SILVER MAPLE DR HERCULES CA 945472311, HERCULES, CA 94547-2311

Tax Assessment & Valuation

The 2025 property tax bill for 20556 Forest Ave was $10,482 with a homeowner's exemption.

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		$831,108 (+2.02%) Land $251,432 Building $586,676
2025	$10,482.00 Homeowner's exemption	$814,675 Land $246,502 Building $575,173
2023	$10,087.00 Homeowner's exemption	$789,773 Land $236,932 Building $552,841	$906,210

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

Flood

FEMA maps place 20556 Forest Ave in Zone X, an area of minimal flood risk.

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

Wildfire risk around 20556 Forest Ave is low, with less than a 0.01% annual chance of 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.

Nearby Properties on Forest Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures