504 Santander Dr, San Ramon, CA 94583 Property Records

Contra Costa County property record for 504 Santander Dr, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,322 sqft · built 1979
Lot Size	0.248 acres (10,800 sqft)
Owner	2 Trust Names on File
Last Sale	$415,000 (Nov 1998)
Tax Bill	$9,279 (2025)
Deeds & Mortgages	Nov 2025 Line of Credit Jul 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`209-501-016-7`

Property Details

APN / Parcel Number

Primary APN	`209-501-016-7`
Alternative APN	`209-501-016`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,322 sqft Living Area
Gross Area	2,977 sqft
1st Floor Area	2,322 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Wood Shingle
Lot Area	10,800 sqft (0.248 acres)
Lot Dimensions	90 ft deep x 130 ft wide
Garage Type	Attached
Garage Area	655 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	504 SANTANDER DR
City	SAN RAMON
State	CA
Zip	94583-2145
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	REC OF SURVEY 65 LSM 40 LOT 40
Legal Subdivision	SUBDIVISION 5217
Legal Lot Number	40
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2000
Census Tract	345116

Owner

504 Santander Dr is owner-occupied and held in a trust since July 2022.

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

Owner of Record	2 Trust Names on File
Mailing Address	504 SANTANDER DR, SAN RAMON, CA 94583-2145
Occupancy	Owner Occupied
Owner Type	Company
Vesting	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

Date	Document
Nov 19, 2025	Deed of Trust, Mortgage · Line of Credit 1ST UNITED SERVICES CU
Jul 21, 2021	Deed of Trust, Mortgage · Conventional Mortgage WELCOME HOME FUNDING LLC
Jul 18, 2022	Intrafamily Transfer, Transfer
Feb 10, 2020	Deed of Trust, Mortgage · Conventional Mortgage FIRST UNITED CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 25, 1998 · Amount on File
Deed Sale	Nov 25, 1998 · Amount on File
Prior Sale	Jun 28, 1996 · Amount on File
Deed Document Number	1998297519
Last Transfer Date	Jul 1, 2022
Transfer Doc	0000114415
Record Updated	Sep 20, 2026

November 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	504 SANTANDER DR, SAN RAMON, CA 94583-2145
Transaction Type	Mortgage
Record Updated	Dec 2, 2025
Title Company	MEMBERS TITLE COMPANY/CA INC, MEMBERS TITLE OF CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	504 SANTANDER DR, SAN RAMON, CA 94583-2145

Mortgage

Document Number	0000129999
Date	Nov 19, 2025
Instrument	2025- 129999

Lender

Name	1ST UNITED SERVICES CU
Type	Credit Union
Address	5901 GIBRALTAR DR, PLEASANTON, CA 94588

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Nov 18, 2055

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	504 SANTANDER DR, SAN RAMON, CA 94583-2145
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	504 SANTANDER DR, SAN RAMON, CA 94583-2145

Mortgage

Document Number	0000205387
Date	Jul 21, 2021
Instrument	2021-205387

Lender

Name	WELCOME HOME FUNDING LLC
Type	Non-Lending Institution
Address	ALAMEDA, CA 94502

Agreement

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

July 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 18, 2022
Property Address	504 SANTANDER DR, SAN RAMON, CA 94583-2145
Document Number	0000114415
Map Reference	MB 65 PG 40
Instrument Date	Jul 1, 2022
Instrument	2022-114415
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
Address	504 SANTANDER DR, SAN RAMON, CA 94583-2145

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	504 SANTANDER DR, SAN RAMON, CA 94583-2145
Document Number	0000026062
Instrument Date	Feb 10, 2020
Transaction Type	Mortgage
Record Updated	Mar 9, 2020
Title Company	SERVICELINK CRS

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	504 SANTANDER DR SAN RAMON CA 945832145, SAN RAMON, CA 94583-2145

Mortgage

Document Number	0000026062
Date	Feb 11, 2020
Instrument	26062

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	120 Months
Due	Feb 10, 2030

Tax Assessment & Valuation

The 2025 property tax bill for 504 Santander Dr was $9,279 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		$780,320 (+2%) Land $287,822 Building $492,498
2025	$9,279.00 Homeowner's exemption	$765,021 Land $282,179 Building $482,842
2023	$8,931.00 (+0.77%) Homeowner's exemption	$735,317 Land $271,223 Building $464,094
2022	$8,863.00

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

Flood

FEMA maps place 504 Santander Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim 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
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1998 · rainfall accumulation

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 504 Santander Dr is low, with a 0.02% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond ember reach

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

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

May also be available: T-Mobile.

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