8621 Thermal St, Oakland, CA 94605 Property Records

Alameda County property record for 8621 Thermal St, Oakland, CA 94605

Property Summary

Property Type	Single Family Home
Details	4 bd · 1 ba · 1,535 sqft · built 1924
Lot Size	0.149 acres (6,500 sqft)
Owner	Trust Name on File
Tax Bill	$2,338 (2025)
Deeds & Mortgages	Sep 2021 Mortgage Sep 2021 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`43A-4639-13`

Property Details

APN / Parcel Number

Primary APN	`43A-4639-13`
Alternative APN	`043A-4639-013-00`

Interior

Bedrooms	4 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,535 sqft Living Area
Gross Area	572 sqft
Basement Area	572 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1924
Effective Year Built	Effective 1924
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	6,500 sqft (0.149 acres)
Lot Dimensions	130 ft deep x 50 ft wide

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	8621 THERMAL ST
City	OAKLAND
State	CA
Zip	94605-4074
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00013 BLK: AR: 043A PAGE: 4639
Legal Subdivision	TOLER HEIGHTS
Legal Block	F
Legal Lot Number	12
Jurisdiction	ALAMEDA CA
Township / Civil Division	OAKLAND
Census Block Group	2
Census Block	2000
Census Tract	409800

Owner

8621 Thermal St is owner-occupied and held in a trust since December 2015.

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

Owner of Record	Trust Name on File
Mailing Address	8621 THERMAL ST, OAKLAND, CA 94605-4074
Occupancy	Owner Occupied
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
Sep 15, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Sep 15, 2021	Intrafamily Transfer, Transfer AMROCK INC
Jun 24, 2020	Quit Claim Deed, Transfer AMROCK INC
Jun 24, 2020	Quit Claim Deed, Transfer QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 23, 2015
Deed Sale	Dec 23, 2015
Deed Document Number	2015334813
Prior Transfer Date	Dec 14, 2015
Prior Transfer Doc	0000334813
Record Updated	Oct 29, 2026

September 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Sep 15, 2021
Property Address	8621 THERMAL ST, OAKLAND, CA 94605-4074
Document Number	0000311502
Map Reference	MB 23 PG 34
Instrument Date	Aug 30, 2021
Instrument	2021311502
Transaction Type	Transfer
Record Updated	Oct 5, 2021
Title Company	AMROCK INC

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	Joint Tenants with Right of Survivorship
Address	8621 THERMAL ST, OAKLAND, CA 94605-4074

Mortgage

Document Number	0000311503
Date	Sep 15, 2021
Instrument	2021311503

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Sep 1, 2051

September 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Sep 15, 2021
Property Address	8621 THERMAL ST, OAKLAND, CA 94605-4074
Document Number	0000311504
Map Reference	MB 23 PG 34
Instrument Date	Aug 30, 2021
Instrument	2021311504
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	AMROCK INC

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	Living Trust
Address	8621 THERMAL ST, OAKLAND, CA 94605-4074

June 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jun 24, 2020
Property Address	8621 THERMAL ST, OAKLAND, CA 94605-4074
Document Number	0000146395
Instrument Date	May 8, 2020
Instrument	146395
Transaction Type	Transfer
Record Updated	Aug 12, 2020
Title Company	AMROCK INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	8621 THERMAL ST OAKLAND CA 946054074, OAKLAND, CA 94605-4074

June 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jun 24, 2020
Property Address	8621 THERMAL ST, OAKLAND, CA 94605-4074
Document Number	0000146393
Instrument Date	May 8, 2020
Instrument	146393
Transaction Type	Transfer
Record Updated	Aug 12, 2020
Title Company	AMROCK INC

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	8621 THERMAL ST OAKLAND CA 946054074, OAKLAND, CA 94605-4074

Mortgage

Document Number	146394
Date	Jun 24, 2020
Instrument	146394

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Amount	Amount on Record
Term	324 Months
Due	Jun 23, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 8621 Thermal St was $2,338 with a homeowner's exemption.

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		$42,766 (-12.35%) Land $25,258 Building $24,508
2025	$2,338.00 Homeowner's exemption	$48,790 Land $24,763 Building $24,027
2023	$2,181.00 Homeowner's exemption	$46,895 Land $23,801 Building $23,094	$697,770

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

Flood

FEMA maps place 8621 Thermal St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1979.

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	7 in force
Nearby Flood Claims	5 (1979–2023)
Claims Outside the SFHA	2 of 5
Most Recent Claim	Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 2 claims

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

Wildfire risk around 8621 Thermal St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 99.8% of the US · lower than 99.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 514 locations within half a mile, as of December 31, 2025

Provider	Max 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
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile.

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