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

Alameda County property record for 531 E 21st St, Oakland, CA 94606

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 1,362 sqft · built 1920
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Individual Names on Record
Tax Bill	$3,818 (2025)
Deeds & Mortgages	Sep 2022 Transfer Sep 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`21-275-22`

Property Details

APN / Parcel Number

Primary APN	`21-275-22`
Alternative APN	`021-0275-022-00`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,362 sqft Living Area

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,000 sqft (0.115 acres)

Location & Zoning

Street Address	531 E 21ST ST
City	OAKLAND
State	CA
Zip	94606-1916
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: BLK: 0124 MP: 000B PAGE: 0537 ;LOT: 00022 BLK: AR: 0021 PAGE: 0275
Legal Block	124
Jurisdiction	ALAMEDA CA
Township / Civil Division	OAKLAND
Census Block Group	4
Census Block	4007
Census Tract	405500

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	531 E 21ST ST, OAKLAND, CA 94606-1916
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 1, 2022	Transfer on Death Deed, Transfer
Sep 1, 2022	Transfer on Death Deed, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Sep 1, 2022
Transfer Doc	0000152315
Record Updated	Sep 20, 2026

September 2022: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 1, 2022
Property Address	531 E 21ST ST, OAKLAND, CA 94606-1916
Document Number	0000152314
Instrument Date	Sep 1, 2022
Instrument	2022152314
Transaction Type	Transfer
Record Updated	Sep 28, 2022

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	531 E 21ST ST, OAKLAND, CA 94606-1916

September 2022: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 1, 2022
Property Address	531 E 21ST ST, OAKLAND, CA 94606-1916
Document Number	0000152315
Instrument Date	Sep 1, 2022
Instrument	2022152315
Transaction Type	Transfer
Record Updated	Sep 28, 2022

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	531 E 21ST ST, OAKLAND, CA 94606-1916

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Oakland City
Unified School District	Oakland Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$168,067 (-2.08%) Land $115,820 Building $59,247
2025	$3,818.00 (+2.5%) Homeowner's exemption	$171,634 (+4.04%) Land $113,549 Building $58,085
2023	$3,725.00 Homeowner's exemption	$164,971 Land $109,141 Building $55,830	$713,160

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not 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 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 1,031 locations within half a mile, as of December 31, 2025

Provider	Max 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.

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