510 Catanio Ct, San Ramon, CA 94583 Property Records

Contra Costa County property record for 510 Catanio Ct, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,833 sqft · built 1973
Lot Size	0.244 acres (10,625 sqft)
Owner	Company Name on Record
Tax Bill	$3,977 (2025)
Deeds & Mortgages	Jan 2022 Mortgage Sep 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`209-250-009-5`

Property Details

APN / Parcel Number

Primary APN	`209-250-009-5`
Alternative APN	`209-250-009`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,833 sqft Living Area
1st Floor Area	1,833 sqft

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1974
Lot Area	10,625 sqft (0.244 acres)
Garage Type	Attached
Garage Area	484 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	510 CATANIO CT
City	SAN RAMON
State	CA
Zip	94583-1711
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 4235 LOT 22
Legal Subdivision	SUBDIVISION 4235
Legal Tract	4235
Legal Lot Number	22
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2000
Census Tract	345206

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	1090 MALVASIA CT, TEMPLETON, CA 93465-3821
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 3, 2022	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Sep 19, 2022	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Apr 11, 1995
Transfer Doc	0000065215
Record Updated	Oct 29, 2026

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	510 CATANIO CT, SAN RAMON, CA 94583-1711
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1090 MALVASIA CT, TEMPLETON, CA 93465-3821

Mortgage

Document Number	0000000746
Date	Jan 3, 2022
Instrument	2022-000746

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2052

September 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 19, 2022
Property Address	510 CATANIO CT, SAN RAMON, CA 94583-1711
Document Number	0000141004
Map Reference	MB 148 PG 37
Instrument Date	Sep 9, 2022
Instrument	2022-141004
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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	Family Trust
Address	1090 MALVASIA CT, TEMPLETON, CA 93465-3821

Tax Assessment & Valuation

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		$273,710 (+2%) Land $118,531 Building $155,179
2025	$3,977.00 (+4.3%)	$268,344 (+4.04%) Land $116,207 Building $152,137
2023	$3,813.00 (+0.77%)	$257,926 Land $111,696 Building $146,230
2022	$3,784.00

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

Flood

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 A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	1 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	High above 71% of the US · above 46% 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 539 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

May also be available: AT&T, T-Mobile.

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