401 E 21st St, Oakland, CA 94606 Property Records

Alameda County property record for 401 E 21st St, Oakland, CA 94606

Property Summary

Property TypeMedical Building
Details2,382 sqft · built 1910
Lot Size0.103 acres (4,463 sqft)
OwnerCompany Name on Record
Tax Bill$9,069 (2025)
Flood ZoneZone X (minimal risk)
APN21-278-1

Property Details

APN / Parcel Number

Primary APN21-278-1
Alternative APN
  • 021-0278-001-00

Interior

Units2 Units
Building Area2,382 sqft Total Area

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Architectural StyleL-Shape
Construction TypeWood
Fire ResistanceWood or Wood & Steel Frame
Lot Area4,463 sqft (0.103 acres)

Location & Zoning

Street Address401 E 21ST ST
CityOAKLAND
StateCA
Zip94606-1914
Property CategoryCommercial
Property TypeCommercial > Office > Medical Building
Legal DescriptionLOT: 00001 BLK: AR: 0021 PAGE: 0278
Legal SubdivisionCLINTON
Legal Block123
JurisdictionALAMEDA CA
Township / Civil DivisionOAKLAND
Census Block Group4
Census Block4006
Census Tract405500

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 RecordCompany Name on Record
Mailing Address3821 LAKESHORE AVE, OAKLAND, CA 94610-1147
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateJan 16, 2009
Transfer Doc0000022529
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalityOakland City
Unified School DistrictOakland Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$462,540 (+1.91%) Land $204,157 Building $238,490
2025$9,069.00 (+3.21%)$453,862 (+4.22%) Land $200,155 Building $253,707
2023$8,787.00$435,482 Land $192,383 Building $243,099

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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 1,031 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
Xfinity
Cable
2,000 / 2,000
Verizon
Fixed Wireless
1,000 / 75
Unwired
Fixed Wireless
300 / 25
Etheric Networks
Fixed Wireless
250 / 100
AT&T
DSL · Fiber, Fixed Wireless in parts of the area
100 / 20

May also be available: GeoLinks, Google Fiber, T-Mobile.

Nearby Properties on E 21st St

Nearby Streets

Search Property Records by Address or Parcel Number