4103 Emerald St, Oakland, CA 94609 Property Records

Alameda County property record for 4103 Emerald St, Oakland, CA 94609

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 2,333 sqft · built 1908
Lot Size	0.08 acres (3,500 sqft)
Owner	Company Name on Record
Last Sale	$233,000 (May 1997)
Tax Bill	$7,263 (2025)
Deeds & Mortgages	Oct 2023 Transfer Mar 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`12-1003-23`

Property Details

APN / Parcel Number

Primary APN	`12-1003-23`
Alternative APNs	`012-1003-023-00` `193898-000`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Units	2 Units
Stories	2 Stories
Building Area	2,333 sqft Living Area

Exterior

Year Built	Built 1908
Effective Year Built	Effective 1911
Construction Type	Wood
Lot Area	3,500 sqft (0.08 acres)

Location & Zoning

Street Address	4103 EMERALD ST
City	OAKLAND
State	CA
Zip	94609-2602
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	LOT: 00023 BLK: AR: 0012 PAGE: 1003
Legal Subdivision	ALTON PARK
Legal Block	2
Legal Lot Number	1-4
Jurisdiction	ALAMEDA CA
Township / Civil Division	OAKLAND
Census Block Group	2
Census Block	2002
Census Tract	401200

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	Company Name on Record
Mailing Address	4103 EMERALD ST, OAKLAND, CA 94609-2602
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 16, 2023	Affidavit of Death of Joint Tenant, Transfer
Mar 4, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Mar 31, 2017	Quit Claim Deed, Transfer Quitclaim
Mar 31, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 6, 1997 · Amount on Record
Deed Sale	May 6, 1997 · Amount on Record
Prior Sale	Mar 25, 1994 · Amount on Record
Deed Document Number	1997113814
Prior Transfer Date	Jan 31, 1994
Prior Transfer Doc	0000050550
Record Updated	Oct 29, 2026

October 2023: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	ALAMEDA CA
Recording Date	Oct 16, 2023
Property Address	4103 EMERALD ST, OAKLAND, CA 94609-2602
Document Number	0000121222
Map Reference	MB 17 PG 23
Instrument Date	Oct 10, 2023
Instrument	2023121222
Transaction Type	Transfer
Record Updated	Dec 4, 2023

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	4103 EMERALD ST, OAKLAND, CA 94609-2602

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4103 EMERALD ST, OAKLAND, CA 94609-2602
Transaction Type	Mortgage
Record Updated	Apr 1, 2021
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4103 EMERALD ST, OAKLAND, CA 94609-2602

Mortgage

Document Number	0000090332
Date	Mar 4, 2021
Instrument	2021090332

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	357 Months
Due	Dec 1, 2050

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Mar 31, 2017
Property Address	4103 EMERALD ST, OAKLAND, CA 94609-2602
Document Number	0000075189
Instrument Date	Mar 22, 2017
Instrument	75189
Transaction Type	Transfer
Record Updated	Apr 19, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4103 EMERALD ST OAKLAND CA 946092602, OAKLAND, CA 94609-2602

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Mar 31, 2017
Property Address	4103 EMERALD ST, OAKLAND, CA 94609-2602
Document Number	0000075190
Instrument Date	Mar 22, 2017
Instrument	75190
Transaction Type	Transfer
Record Updated	Apr 19, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4103 EMERALD ST OAKLAND CA 946092602, OAKLAND, CA 94609-2602

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
2026		$388,850 (+2.47%) Land $116,115 Building $279,735
2025	$7,263.00 (+0.78%) Homeowner's exemption	$379,461 (+4.04%) Land $113,838 Building $265,623
2023	$7,207.00 Homeowner's exemption	$364,728 Land $109,418 Building $255,310

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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
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

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 808 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 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: GeoLinks, Google Fiber.

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