3266 Stone Valley Rd, Alamo, CA 94507 Property Records

Contra Costa County property record for 3266 Stone Valley Rd, Alamo, CA 94507

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,763 sqft · built 1979
Lot Size	0.312 acres (13,570 sqft)
Owner	2 Individual Names on File
Last Sale	$2,575,000 (Jul 2021)
Tax Bill	$30,485 (2025)
Deeds & Mortgages	May 2024 Line of Credit Nov 2018 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`194-231-008-5`

Property Details

APN / Parcel Number

Primary APN	`194-231-008-5`
Alternative APN	`194-231-008`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,763 sqft Living Area
Gross Area	3,515 sqft
1st Floor Area	1,596 sqft
2nd Floor Area	1,167 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1995
Architectural Style	Tudor
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	13,570 sqft (0.312 acres)
Garage Type	Attached
Garage Area	752 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	3266 STONE VALLEY RD
City	ALAMO
State	CA
Zip	94507-2884
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T04932 L0001 B
Legal Subdivision	SUBDIVISION 4932
Legal Tract	04932
Legal Lot Number	1
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2001
Census Tract	346205

Owner

3266 Stone Valley Rd is owned and occupied by two individuals who bought it in July 2021.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	3266 STONE VALLEY RD, ALAMO, CA 94507-2884
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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
May 2, 2024	Deed of Trust, Mortgage · Line of Credit PACIFIC SERVICE CU
Nov 2, 2018	Deed of Trust, Mortgage · Line of Credit FREMONT BANK
Jul 29, 2021	Grant Deed, Transfer · Conventional Mortgage PREMIER LENDING INC
Dec 8, 2017	Grant Deed, Transfer · ARM SAFE CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 29, 2021 · Amount on File
Deed Sale	Jul 29, 2021 · Amount on File
Prior Sale	Dec 8, 2017 · Amount on File
Deed Document Number	2021212601
Prior Transfer Date	Mar 13, 1998
Prior Transfer Doc	0000057758
Record Updated	Oct 29, 2026

May 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3266 STONE VALLEY RD, ALAMO, CA 94507-2884
Transaction Type	Mortgage
Record Updated	May 15, 2024
Title Company	CHICAGO TITLE-INLAND EMPIRE, CHICAGO TITLE INLAND EMPIRE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3266 STONE VALLEY RD, ALAMO, CA 94507-2884

Mortgage

Document Number	0000041214
Date	May 2, 2024
Instrument	2024-041214

Lender

Name	PACIFIC SERVICE CU
Type	Credit Union
Address	CONCORD, CA 94520

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3266 STONE VALLEY RD, ALAMO, CA 94507-2884
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000179114
Date	Nov 2, 2018
Instrument	2018-179114

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	359 Months
Due	Oct 15, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 29, 2021
Property Address	3266 STONE VALLEY RD, ALAMO, CA 94507-2884
Document Number	0000212601
Map Reference	MB 201 PG 9
Instrument Date	Jul 20, 2021
Instrument	2021-212601
Transaction Type	Transfer
Record Updated	Aug 1, 2023
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	3266 STONE VALLEY RD, ALAMO, CA 94507-2884

Mortgage

Document Number	0000212602
Date	Jul 29, 2021
Instrument	2021-212602

Lender

Name	PREMIER LENDING INC
Type	Mortgage Company

Agreement

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

December 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 8, 2017
Property Address	3266 STONE VALLEY RD, ALAMO, CA 94507-2884
Document Number	0000230873
Map Reference	MB201 PG9
Instrument Date	Dec 5, 2017
Instrument	2017-230873
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3266 STONE VALLEY RD, ALAMO, CA 94507-2884
Investor	Possibly a Property Investor

Mortgage

Document Number	0000230875
Date	Dec 8, 2017
Instrument	2017-230875

Lender

Name	SAFE CU
Type	Credit Union

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	3%
Type Change Date	Jan 1, 2023
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5%
Index	1-Year LIBOR
Max Rate	8%

Tax Assessment & Valuation

The 2025 property tax bill for 3266 Stone Valley Rd was $30,485 with a homeowner's exemption.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Unified School District	San Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$2,787,261 (+2%) Land $1,623,648 Building $1,163,613
2025	$30,485.00 Homeowner's exemption	$2,732,610 Land $1,591,812 Building $1,140,798
2023	$27,518.00 (-6.03%)	$2,626,500 Land $1,530,000 Building $1,096,500
2022	$29,283.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 3266 Stone Valley Rd in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	6 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

Wildfire risk around 3266 Stone Valley Rd is moderate, ranking above 66% of the US, with a 0.3% annual chance of wildfire.

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

Wildfire Risk	Moderate above 66% of the US · above 41% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 138 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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