3817 Opal St, Oakland, CA 94609 Property Records

Alameda County property record for 3817 Opal St, Oakland, CA 94609

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 930 sqft · built 1923
Lot Size	0.043 acres (1,856 sqft)
Owner	Trust Name on File
Last Sale	$133,500 (May 2008)
Tax Bill	$9,753 (2025)
Deeds & Mortgages	Jul 2022 Transfer Mar 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`12-978-18`

Property Details

APN / Parcel Number

Primary APN	`12-978-18`
Alternative APN	`012-0978-018-00`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	930 sqft Living Area

Exterior

Year Built	Built 1923
Effective Year Built	Effective 1923
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	1,856 sqft (0.043 acres)

Location & Zoning

Street Address	3817 OPAL ST
City	OAKLAND
State	CA
Zip	94609-2624
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00018 BLK: AR: 0012 PAGE: 0978
Legal Subdivision	BROADWAY & TELEGRAPH AVE PARK
Legal Block	E
Legal Lot Number	6&7
Jurisdiction	ALAMEDA CA
Township / Civil Division	OAKLAND
Census Block Group	3
Census Block	3005
Census Tract	401200

Owner

3817 Opal St is held in a trust since May 2008.

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

Owner of Record	Trust Name on File
Mailing Address	12432 RANCHWOOD RD, SANTA ANA, CA 92705-3396
Owner Type	Company
Vesting	Trust

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

Date	Document
Jul 26, 2022	Intrafamily Transfer, Transfer
Mar 11, 2021	Deed of Trust, Mortgage · Conventional Mortgage NEWREZ LLC
Jun 27, 2019	Deed of Trust, Mortgage · ARM WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 20, 2008 · Amount on File
Deed Sale	May 20, 2008 · Amount on File
Prior Sale	Jul 20, 2006 · Amount on File
Deed Document Number	2008164029
Prior Transfer Date	Jul 11, 2006
Prior Transfer Doc	0000280793
Record Updated	Oct 29, 2026

July 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jul 26, 2022
Property Address	3817 OPAL ST, OAKLAND, CA 94609-2624
Document Number	0000133115
Instrument Date	Jul 25, 2022
Instrument	2022133115
Transaction Type	Transfer
Record Updated	Jun 7, 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
Relationship	Revocable Living Trust
Address	12432 RANCHWOOD RD, SANTA ANA, CA 92705-3396

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	3817 OPAL ST, OAKLAND, CA 94609-2624
Transaction Type	Mortgage
Record Updated	Apr 2, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	12432 RANCHWOOD RD, SANTA ANA, CA 92705-3396

Mortgage

Document Number	0000099868
Date	Mar 11, 2021
Instrument	2021099868

Lender

Name	NEWREZ LLC
Type	Non-Lending Institution
Address	FORT WASHINGTON, PA 19034

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2051

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	3817 OPAL ST, OAKLAND, CA 94609-2624
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	TICOR TTL ORANGE CNTY BRANCH

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000122783
Date	Jun 27, 2019
Instrument	2019122783

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	4%
Type Change Date	Jul 1, 2026
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	6%
Index	1-Year LIBOR
Max Rate	9%

Tax Assessment & Valuation

The 2025 property tax bill for 3817 Opal St was $9,753, up 3.9% from the year before.

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		$621,743 (+2%) Land $186,523 Building $435,220
2025	$9,753.00 (+3.88%)	$609,554 Land $182,866 Building $426,688
2024	$9,389.00 (-4.64%)
2023	$9,846.00	$585,888 Land $175,766 Building $410,122	$620,910

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

Flood

FEMA maps place 3817 Opal St in Zone X, an area of minimal flood risk.

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

The area around 3817 Opal 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 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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