9456 Alcosta Blvd, San Ramon, CA 94583 Property Records

Contra Costa County property record for 9456 Alcosta Blvd, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,586 sqft · built 1976
Lot Size	0.258 acres (11,250 sqft)
Owner	2 Trust Names on File
Last Sale	$1,255,000 (Sep 2022)
Tax Bill	$14,908 (2025)
Deeds & Mortgages	Sep 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`210-710-010-5`

Property Details

APN / Parcel Number

Primary APN	`210-710-010-5`
Alternative APN	`210-710-010`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,586 sqft Living Area
Gross Area	2,152 sqft
1st Floor Area	1,586 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	11,250 sqft (0.258 acres)
Garage Type	Attached
Garage Area	566 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	9456 ALCOSTA BLVD
City	SAN RAMON
State	CA
Zip	94583-3930
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T04650 L0010 B EX MR
Legal Subdivision	SUBDIVISION 4650
Legal Tract	04650
Legal Lot Number	10
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1008
Census Tract	345103

Owner

9456 Alcosta Blvd is owner-occupied and held in a trust since September 2022.

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

Owner of Record	2 Trust Names on File
Mailing Address	9456 ALCOSTA BLVD, SAN RAMON, CA 94583-3930
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable 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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 7, 2022 · Amount on File
Deed Sale	Sep 7, 2022 · Amount on File
Deed Document Number	2022136497
Prior Transfer Date	May 27, 2008
Prior Transfer Doc	0000175185
Record Updated	Oct 29, 2026

September 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 7, 2022
Property Address	9456 ALCOSTA BLVD, SAN RAMON, CA 94583-3930
Document Number	0000136497
Map Reference	MB 181 PG 1-3
Instrument Date	Aug 24, 2022
Instrument	2022-136497
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

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	9456 ALCOSTA BLVD, SAN RAMON, CA 94583-3930

Mortgage

Document Number	0000136498
Date	Sep 7, 2022
Instrument	2022-136498

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	3.87%
Type Change Date	Oct 1, 2029
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	8.87%
Index	1-Year CMT
Max Rate	8.87%

Tax Assessment & Valuation

The 2025 property tax bill for 9456 Alcosta Blvd was $14,908.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,331,815 (+2%) Land $1,008,147 Building $323,668
2025	$14,908.00 Homeowner's exemption	$1,305,702 Land $988,380 Building $317,322
2023	$14,385.00 (+347.99%) Homeowner's exemption	$1,255,000 Land $950,000 Building $305,000
2022	$3,211.00

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

Flood

FEMA maps place 9456 Alcosta Blvd in Zone X, an area of minimal flood risk, though there have been 12 flood claims nearby since 1998.

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
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	12 (1998–2022)
Claims Outside the SFHA	4 of 12
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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 9456 Alcosta Blvd is moderate, ranking above 44% of the US, with a 0.07% annual chance of wildfire.

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

Wildfire Risk	Moderate above 44% of the US · lower than 74% of California
Wildfire Likelihood	0.07% annual chance
Exposure	Direct burnable vegetation

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

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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