40 Sioux Ln, San Ramon, CA 94583 Property Records

Contra Costa County property record for 40 Sioux Ln, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,707 sqft · built 1985
Lot Size	0.271 acres (11,815 sqft)
Owner	2 Company Names on Record
Tax Bill	$7,106 (2025)
Deeds & Mortgages	Jun 2026 Sale Mar 2017 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`209-721-013-8`

Property Details

APN / Parcel Number

Primary APN	`209-721-013-8`
Alternative APN	`209-721-013`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,707 sqft Living Area
1st Floor Area	1,653 sqft
2nd Floor Area	1,054 sqft

Exterior

Year Built	Built 1985
Effective Year Built	Effective 2000
Architectural Style	Cluster
Lot Area	11,815 sqft (0.271 acres)
Garage Type	Attached
Garage Area	706 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	40 SIOUX LN
City	SAN RAMON
State	CA
Zip	94583-4301
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T05815 L0129 B
Legal Subdivision	SUBDIVISION 5815
Legal Tract	05815
Legal Lot Number	129
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1009
Census Tract	345115

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	40 SIOUX LN, SAN RAMON, CA 94583-4301
Owner Type	Company
Vesting	Trust, Revocable Living Trust

Deeds, Mortgages & Sale History

Date	Document
Jun 26, 2026	Grant Deed, Transfer NONE LISTED ON DOCUMENT
Mar 9, 2017	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
Jul 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Sep 20, 2026

June 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 26, 2026
Property Address	40 SIOUX LN, SAN RAMON, CA 94583-4301
Document Number	0000067684
Instrument Date	Jun 16, 2026
Instrument	202667684
Transaction Type	Transfer
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Living Trust
Address	40 SIOUX LN, SAN RAMON, CA 94583-4301

March 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	40 SIOUX LN, SAN RAMON, CA 94583-4301
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000042028
Date	Mar 9, 2017
Instrument	2017-042028

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Mar 25, 2047

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	40 SIOUX LN, SAN RAMON, CA 94583-4301
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	40 SIOUX LN, SAN RAMON, CA 94583-4301

Mortgage

Document Number	0000210772
Date	Jul 28, 2021
Instrument	2021-210772

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

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

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		$589,178 (+2%) Land $149,154 Building $440,024
2025	$7,106.00 (+4.07%) Homeowner's exemption	$577,627 (+4.04%) Land $146,230 Building $431,397
2023	$6,828.00 (+0.8%) Homeowner's exemption	$555,199 Land $140,552 Building $414,647
2022	$6,774.00

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

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

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

Wildfire Risk	High above 73% of the US · above 49% of California
Wildfire Likelihood	0.4% 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 372 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

May also be available: Etheric Networks, T-Mobile.

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