21330 Tyee St, Castro Valley, CA 94546 Property Records

Alameda County property record for 21330 Tyee St, Castro Valley, CA 94546

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,185 sqft · built 1948
Lot Size0.123 acres (5,350 sqft)
Owner2 Individual Names on File
Last Sale$910,000 (Apr 2026)
Tax Bill$7,775 (2025)
Deeds & MortgagesJun 2021 Mortgage
Dec 2021 Mortgage
+ 6 more
Flood ZoneZone X (minimal risk)
APN415-50-25

Property Details

APN / Parcel Number

Primary APN415-50-25
Alternative APN
  • 415-0050-025-00

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,185 sqft Living Area

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1948
Architectural StyleL-Shape
Construction TypeWood
Lot Area5,350 sqft (0.123 acres)

Location & Zoning

Street Address21330 TYEE ST
CityCASTRO VALLEY
StateCA
Zip94546-6236
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00017 BLK: 000A TR: 0787
Legal SubdivisionTRACT 787
Legal Tract0787
Legal BlockA
Legal Lot Number18
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group3
Census Block3009
Census Tract431200

Owner

21330 Tyee St is owned and occupied by two individuals who bought it in April 2026.

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

Owner of Record2 Individual Names on File
Mailing Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

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

DateDocument
Jun 29, 2021Deed of Trust, Mortgage · Commercial Mortgage
ERIC C SIT IRA
Dec 16, 2021Deed of Trust, Mortgage · Commercial Mortgage
JOHANNA LAI
Aug 4, 2023Deed of Trust, Mortgage · Conventional Mortgage
JMAC LENDING INC
Jan 15, 2026Deed of Trust, Mortgage · Commercial Mortgage
SHOOTING STAR ALLIANCE INC
Oct 18, 2024Deed of Trust, Mortgage · Stand-Alone Second Mortgage
ABUNDANCE 99 INC
Feb 13, 2025Deed of Trust, Mortgage · Conventional Mortgage
VISTA POINT MORTGAGE LLC
Apr 1, 2026Grant Deed, Transfer · Conventional Mortgage
ZILLOW HOME LOANS LLC
Jan 25, 2021Deed of Trust, Mortgage · Conventional Mortgage
ERIC C SIT

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 1, 2026 · Amount on File
Deed SaleApr 1, 2026 · Amount on File
Prior SaleJan 30, 2008 · Amount on File
Deed Document Number202642548
Prior Transfer DateSep 13, 2012
Prior Transfer Doc0000319047
Record UpdatedOct 29, 2026

June 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236
Transaction TypeMortgage
Record UpdatedMay 18, 2026
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address330 BEVERLY AVE, SAN LEANDRO, CA 94577-1926

Mortgage

Document Number0000230922
DateJun 29, 2021
Instrument2021230922
Lender
NameERIC C SIT IRA
TypeNon-Lending Institution
Agreement
TypeCommercial Mortgage
AmountAmount on Record

December 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236
Transaction TypeMortgage
Record UpdatedMay 18, 2026
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address330 BEVERLY AVE, SAN LEANDRO, CA 94577-1926

Mortgage

Document Number0000398994
DateDec 16, 2021
Instrument2021398994
Lender
NameJOHANNA LAI
TypePrivate Party
Agreement
TypeCommercial Mortgage
AmountAmount on Record
Term85 Months
DueDec 31, 2028

August 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236
Transaction TypeMortgage
Record UpdatedMay 18, 2026
Title CompanyCHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address330 BEVERLY AVE, SAN LEANDRO, CA 94577-1926

Mortgage

Document Number0000088774
DateAug 4, 2023
Instrument2023088774
Lender
NameJMAC LENDING INC
TypeMortgage Company
AddressSANTA ANA, CA 92705
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueSep 1, 2053

January 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236
Transaction TypeMortgage
Record UpdatedMay 18, 2026

Transferred To (Grantee/Buyer)

NameVerified Name
Address330 BEVERLY AVE, SAN LEANDRO, CA 94577-1926

Mortgage

Document Number0000005693
DateJan 15, 2026
Instrument2026005693
Lender
NameSHOOTING STAR ALLIANCE INC
TypeNon-Lending Institution
Address2102 MAGELLAN DR, OAKLAND, CA 94611
Agreement
TypeCommercial Mortgage
AmountAmount on Record

October 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236
Transaction TypeMortgage
Record UpdatedMay 18, 2026
Title CompanyCHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address330 BEVERLY AVE, SAN LEANDRO, CA 94577-1926

Mortgage

Document Number0000127348
DateOct 18, 2024
Instrument2024127348
Lender
NameABUNDANCE 99 INC
TypeNon-Lending Institution
AddressPO BOX 62467, SUNNYVALE, CA 94088
Agreement
TypeStand-Alone Second Mortgage
AmountAmount on Record
Term37 Months
DueNov 1, 2027

February 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236
Transaction TypeMortgage
Record UpdatedMay 18, 2026

Transferred To (Grantee/Buyer)

NameVerified Name
Address330 BEVERLY AVE, SAN LEANDRO, CA 94577-1926

Mortgage

Document Number0000023248
DateFeb 13, 2025
Instrument2025023248
Lender
NameVISTA POINT MORTGAGE LLC
TypeMortgage Company
Address1920 MAIN ST STE 200, IRVINE, CA 92614
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueMar 1, 2055

April 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionALAMEDA CA
Recording DateApr 1, 2026
Property Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236
Document Number0000042548
Instrument DateMar 28, 2026
Instrument202642548
Transaction TypeTransfer
Record UpdatedJul 2, 2026
Title CompanyE-CHICAGO TITLE, CHICAGO TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$101,101.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236

Mortgage

Document Number0000042549,
DateApr 1, 2026
Instrument202642549
Lender
NameZILLOW HOME LOANS LLC
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueApr 1, 2056
Interest
Rate TypeFixed Rate
Rate6.01%
Initial TypeFixed Rate
Max Rate-1%

January 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address21330 TYEE ST, CASTRO VALLEY, CA 94546-6236
Document Number0000038538
Instrument DateJan 25, 2021
Transaction TypeMortgage
Record UpdatedMar 25, 2021
Title CompanyOTHER

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address330 BEVERLY AVE SAN LEANDRO CA 945771926, SAN LEANDRO, CA 94577-1926

Mortgage

Document Number0000038538
DateJan 29, 2021
Instrument38538
Lender
NameERIC C SIT
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term84 Months
DueJan 28, 2028

Tax Assessment & Valuation

The 2025 property tax bill for 21330 Tyee St was $7,775, up 2.5% from the year before.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
Unified School DistrictHayward Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$582,764 (+2%) Land $174,829 Building $407,935
2025$7,775.00 (+2.53%)$571,341 Land $171,402 Building $399,939
2024$7,583.00 (+1.88%)
2023$7,443.00$549,160 Land $164,748 Building $384,412$808,200

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

Flood

FEMA maps place 21330 Tyee St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 31 policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies31 in force
Nearby Flood Claims1 (2022)
Most Recent ClaimDec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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

The area around 21330 Tyee St has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot 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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

ProviderMax 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.

Nearby Properties on Tyee St

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