20880 Baker Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 20880 Baker Rd, Castro Valley, CA 94546

Property Summary

Property Type	Commercial Office
Details	2,976 sqft · built 1956
Lot Size	0.209 acres (9,100 sqft)
Owner	Individual Name on Record
Last Sale	$1,079,000 (Jul 2025)
Tax Bill	$12,356 (2025)
Deeds & Mortgages	Oct 2022 Sale Jun 2018 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`84A-17-29-6`

Property Details

APN / Parcel Number

Primary APN	`84A-17-29-6`
Alternative APN	`084A-0017-029-06`

Interior

Stories	1 Story
Building Area	2,976 sqft Total Area

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Architectural Style	L-Shape
Construction Type	Wood
Fire Resistance	Wood or Wood & Steel Frame
Lot Area	9,100 sqft (0.209 acres)

Location & Zoning

Street Address	20880 BAKER RD
City	CASTRO VALLEY
State	CA
Zip	94546-5729
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Legal Description	LOT: 00006 BLK: 0029 AR: 084A PAGE: 0017
Legal Subdivision	BAKER VISTA
Legal Tract	2223
Legal Block	970
Legal Lot Number	18&19
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2009
Census Tract	431000

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	3017 SANTA MARGARITA CT, SANTA ROSA, CA 95405-8205
Owner Type	Individual
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Oct 14, 2022	Grant Deed, Transfer
Jun 22, 2018	Grant Deed, Transfer · Conventional Mortgage BANK OF WEST

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 21, 2025 · Amount on Record
Deed Sale	Jul 21, 2025 · Amount on Record
Prior Sale	Jun 22, 2018 · Amount on Record
Deed Document Number	202591878
Prior Transfer Date	Apr 6, 2014
Prior Transfer Doc	0000127454
Record Updated	Oct 29, 2026

October 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Oct 14, 2022
Property Address	20880 BAKER RD, CASTRO VALLEY, CA 94546-5729
Document Number	0000172131
Map Reference	MB 4 PG 71
Instrument Date	Oct 12, 2022
Instrument	2022172131
Transaction Type	Transfer
Record Updated	Jun 7, 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
Relationship	Revocable Living Trust
Address	11347 BLOOMINGTON WAY, DUBLIN, CA 94568-3609

June 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jun 22, 2018
Property Address	20880 BAKER RD, CASTRO VALLEY, CA 94546-5729
Document Number	0000124162
Instrument Date	Jun 15, 2018
Instrument	124162
Transaction Type	Transfer
Record Updated	Jul 10, 2018
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$880.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	11347 BLOOMINGTON WAY DUBLIN CA 945683609, DUBLIN, CA 94568-3609

Mortgage

Document Number	124163
Date	Jun 22, 2018
Instrument	124163

Lender

Name	BANK OF WEST
Address	SAN RAMON, CA 94583

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

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
2026		$1,079,000 (+18.54%) Land $450,000 Building $629,000
2025	$12,356.00 (+4.1%)	$910,248 (+4.04%) Land $341,343 Building $568,905
2023	$11,869.00	$874,904 Land $328,089 Building $546,815

Assessed value is set for property tax purposes and is not a market price estimate.

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 10 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	10 in force
Nearby Flood Claims	2 (2023–2025)
Most Recent Claim	Dec 2025 · rainfall accumulation

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	Not rated no burnable land within 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 459 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 · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile, Verizon.

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