630 Rock Isle, Alameda, CA 94501 Property Records

Alameda County property record for 630 Rock Isle, Alameda, CA 94501

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,610 sqft · built 1963
Lot Size	0.208 acres (9,072 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,725,000 (Aug 2026)
Tax Bill	$5,584 (2025)
Deeds & Mortgages	Aug 2026 Sale & Mortgage Jul 2018 Line of Credit
Flood Zone	Zone X (moderate risk)
APN	`74-1270-88`

Property Details

APN / Parcel Number

Primary APN	`74-1270-88`
Alternative APN	`074-1270-088-00`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,610 sqft Living Area

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1977
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	9,072 sqft (0.208 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	630 ROCK ISLE
City	ALAMEDA
State	CA
Zip	94501-5632
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00128 BLK: 0001 TR: 1898
Legal Subdivision	TR 1898
Legal Tract	1898
Legal Block	1
Legal Lot Number	128
Jurisdiction	ALAMEDA CA
Township / Civil Division	ALAMEDA
Census Block Group	1
Census Block	1001
Census Tract	428600

Owner

Source: Alameda County records, as of October 13, 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	630 ROCK ISLE, ALAMEDA, CA 94501-5632
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	His Wife

Deeds, Mortgages & Sale History

Date	Document
Aug 13, 2026	Grant Deed, Transfer · Conventional Mortgage MORTGAGE INC
Jul 30, 2018	Deed of Trust, Mortgage · Line of Credit US BK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 13, 2026 · Amount on Record
Deed Sale	Aug 13, 2026 · Amount on Record
Deed Document Number	2026104601
Prior Transfer Date	Jun 7, 2016
Prior Transfer Doc	0000150879
Record Updated	Oct 29, 2026

August 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Aug 13, 2026
Property Address	630 ROCK ISLE, ALAMEDA, CA 94501-5632
Document Number	0000104601
Instrument Date	Jul 16, 2026
Instrument	2026104601
Transaction Type	Transfer
Record Updated	Sep 29, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$302,747.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	630 ROCK ISLE, ALAMEDA, CA 94501-5632

Mortgage

Document Number	0000104602,
Date	Aug 13, 2026
Instrument	2026104602

Lender

Name	MORTGAGE INC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2056

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	630 ROCK ISLE, ALAMEDA, CA 94501-5632
Document Number	0000164204
Instrument Date	Jul 30, 2018
Transaction Type	Mortgage
Record Updated	Sep 11, 2018
Title Company	SOLIDIFI TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	630 ROCK ISLE ALAMEDA CA 945015632, ALAMEDA, CA 94501-5632

Mortgage

Document Number	0000164204
Date	Aug 22, 2018
Instrument	164204

Lender

Name	US BK
Type	Bank
Address	LA JOLLA, CA 92037

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$357,518 (+2%) Land $82,479 Building $275,039
2025	$5,584.00 (+6.61%)	$350,509 (+4.04%) Land $80,862 Building $269,647
2023	$5,238.00	$336,900 Land $77,722 Building $259,178	$2,060,730

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	4 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	Low lower than 98% of the US · lower than 98.4% 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 736 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
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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