548 Casella Ct, San Ramon, CA 94582 Property Records

Contra Costa County property record for 548 Casella Ct, San Ramon, CA 94582

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 3,675 sqft · built 2002
Lot Size	0.173 acres (7,538 sqft)
Owner	2 Individual Names on File
Last Sale	$882,500 (May 2003)
Tax Bill	$19,524 (2025)
Deeds & Mortgages	Dec 2020 Mortgage Aug 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`223-170-001`

Property Details

APN / Parcel Number

Primary APN	`223-170-001`
Alternative APN	`223-170-001-0`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	13 Rooms
Stories	2 Stories
Building Area	3,675 sqft Living Area
1st Floor Area	1,761 sqft
2nd Floor Area	1,914 sqft

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2003
Lot Area	7,538 sqft (0.173 acres)
Garage Type	Attached
Garage Area	670 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	548 CASELLA CT
City	SAN RAMON
State	CA
Zip	94582-1999
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8150 L139
Legal Subdivision	WINDERMERE SUB 8150
Legal Tract	8150
Legal Lot Number	139
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1005
Census Tract	355125

Owner

548 Casella Ct is owned and occupied by two individuals who acquired it in December 2011.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	548 CASELLA CT, SAN RAMON, CA 94582-1999
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Dec 7, 2020	Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION
Aug 23, 2019	Deed of Trust, Mortgage · Line of Credit FIRST UNITED CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 29, 2003 · Amount on File
Deed Sale	May 29, 2003 · Amount on File
Prior Sale	Nov 19, 2002
Deed Document Number	2003249579
Last Transfer Date	Dec 5, 2011
Transfer Doc	0000268625
Record Updated	Oct 29, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	548 CASELLA CT, SAN RAMON, CA 94582-1999
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	548 CASELLA CT, SAN RAMON, CA 94582-1999

Mortgage

Document Number	0000304775
Date	Dec 7, 2020
Instrument	2020-304775

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Jan 1, 2036

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	548 CASELLA CT, SAN RAMON, CA 94582-1999
Document Number	0000137313
Instrument Date	Aug 23, 2019
Transaction Type	Mortgage
Record Updated	Sep 2, 2019
Title Company	SERVICELINK CRS

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	548 CASELLA CT SAN RAMON CA 945821999, SAN RAMON, CA 94582-1999

Mortgage

Document Number	0000137313
Date	Aug 26, 2019
Instrument	137313

Lender

Name	FIRST UNITED CU
Type	Credit Union
Address	PLEASANTON, CA 94588-2718

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Aug 25, 2049

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 548 Casella Ct was $19,524 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
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		$1,361,611 (+2%) Land $531,819 Building $829,792
2025	$19,524.00 Homeowner's exemption	$1,334,914 Land $521,392 Building $813,522
2023	$19,407.00 (+1.87%) Homeowner's exemption	$1,283,080 Land $501,147 Building $781,933
2022	$19,051.00

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

Flood

FEMA maps place 548 Casella Ct in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 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

Wildfire risk around 548 Casella Ct is moderate, ranking above 56% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire Risk	Moderate above 56% of the US · lower than 66% of California
Wildfire Likelihood	0.2% 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	DUBLIN SAN RAMON SERVICES DISTRICT serves 98,776 people · EPA ID CA0110009
Water Source	Purchased surface water from ZONE 7 WATER AGENCY
Last State Inspection	Sep 2024
Lead	Under 1 ppb (2023–2025) 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 407 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
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
Etheric Networks Fixed Wireless	250 / 100

May also be available: Sail Internet, T-Mobile, Verizon.

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