2575 Dos Rios Dr, San Ramon, CA 94583 Property Records

Contra Costa County property record for 2575 Dos Rios Dr, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,368 sqft · built 1970
Lot Size	0.248 acres (10,800 sqft)
Owner	2 Company Names on Record
Last Sale	$1,590,000 (Feb 2023)
Tax Bill	$18,981 (2025)
Deeds & Mortgages	Feb 2023 Sale & Mortgage Jul 2021 Line of Credit + 3 more
Flood Zone	Zone X (minimal risk)
APN	`209-142-002-2`

Property Details

APN / Parcel Number

Primary APN	`209-142-002-2`
Alternative APN	`209-142-002`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,368 sqft Living Area
Gross Area	2,794 sqft
1st Floor Area	1,297 sqft
2nd Floor Area	1,071 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1975
Architectural Style	Raised Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Tile
Lot Area	10,800 sqft (0.248 acres)
Garage Type	Attached
Garage Area	426 sqft
Parking Spaces	2 Parking Spaces
Deck Area	Deck Area

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	2575 DOS RIOS DR
City	SAN RAMON
State	CA
Zip	94583-1743
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-10
Legal Description	TRACT 3790 LOT 62 EX MR
Legal Subdivision	SUBDIVISION 3790
Legal Tract	3790
Legal Lot Number	62
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2005
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	2 Company Names on Record
Mailing Address	2575 DOS RIOS DR, SAN RAMON, CA 94583-1743
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Feb 3, 2023	Grant Deed, Transfer · Conventional Mortgage CITIBANK NA
Jul 29, 2021	Deed of Trust, Mortgage · Line of Credit ALLIANT CU
Jun 12, 2018	Deed of Trust, Mortgage · Line of Credit PENTAGON FCU
Apr 18, 2022	Grant Deed, Transfer NOT AVAILABLE, SPRUCE
Apr 4, 2018	Intrafamily Transfer, Transfer · ARM ONEWEST BANK FSB

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 3, 2023 · Amount on Record
Deed Sale	Feb 3, 2023 · Amount on Record
Prior Sale	Apr 18, 2022 · Amount on Record
Deed Document Number	202310120
Prior Transfer Date	Mar 27, 2018
Prior Transfer Doc	0000051456
Record Updated	Oct 29, 2026

February 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 3, 2023
Property Address	2575 DOS RIOS DR, SAN RAMON, CA 94583-1743
Document Number	0000010120
Map Reference	MB 124 PG 1
Instrument Date	Jan 26, 2023
Instrument	2023-010120
Transaction Type	Transfer
Record Updated	Feb 13, 2023
Title Company	ORABGE COAST TITLE, ORANGE COAST TITLE

Transaction

Amount	Amount Recorded
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	2575 DOS RIOS DR, SAN RAMON, CA 94583-1743

Mortgage

Document Number	0000010121
Date	Feb 3, 2023
Instrument	2023-010121

Lender

Name	CITIBANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	5%
Type Change Date	Mar 1, 2033
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	10%
Index	Other
Max Rate	10%

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	2575 DOS RIOS DR, SAN RAMON, CA 94583-1743
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2575 DOS RIOS DR, SAN RAMON, CA 94583-1743

Mortgage

Document Number	0000213243
Date	Jul 29, 2021
Instrument	2021-213243

Lender

Name	ALLIANT CU
Type	Credit Union
Address	CHICAGO, IL 60666

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jul 28, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	2575 DOS RIOS DR, SAN RAMON, CA 94583-1743
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000092860
Date	Jun 12, 2018
Instrument	2018-092860

Lender

Name	PENTAGON FCU
Type	Credit Union
Address	FLINT, MI 48501

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	180 Months
Due	Jun 1, 2033

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 18, 2022
Property Address	2575 DOS RIOS DR, SAN RAMON, CA 94583-1743
Document Number	0000067015
Map Reference	MB 124 PG 1
Instrument Date	Apr 15, 2022
Instrument	2022-067015
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NOT AVAILABLE, SPRUCE

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

April 2018: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 4, 2018
Property Address	2575 DOS RIOS DR, SAN RAMON, CA 94583-1743
Document Number	0000051456
Map Reference	MB 124 PG 1
Instrument Date	Mar 27, 2018
Instrument	2018-051456
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	TICOR TITLE COMPANY

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
Address	2575 DOS RIOS DR, SAN RAMON, CA 94583-1743

Mortgage

Document Number	0000051457
Date	Apr 4, 2018
Instrument	2018-051457

Lender

Name	ONEWEST BANK FSB
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	360 Months
Due	Apr 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	3.25%
Type Change Date	Apr 1, 2025
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8.25%
Index	1-Year LIBOR
Max Rate	8.25%

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		$1,687,320 (+2%) Land $1,061,208 Building $626,112
2025	$18,981.00 (-24.68%)	$1,654,236 (-25.61%) Land $1,040,400 Building $613,836
2023	$25,202.00 (+150.77%)	$2,223,600 Land $1,632,000 Building $591,600
2022	$10,050.00

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
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	Moderate above 56% of the US · lower than 67% of California
Wildfire Likelihood	0.1% 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 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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