Contra Costa County property record for 45 Sioux Ln, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,474 sqft · built 1985 |
| Lot Size | 0.182 acres (7,920 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $9,420 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage Jul 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 209-721-020-3 |
| Primary APN | 209-721-020-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,474 sqft Living Area |
| 1st Floor Area | 1,895 sqft |
| 2nd Floor Area | 579 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Cluster |
| Lot Area | 7,920 sqft (0.182 acres) |
| Garage Type | Attached |
| Garage Area | 465 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 45 SIOUX LN |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-4301 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05815 L0136 B |
| Legal Subdivision | SUBDIVISION 5815 |
| Legal Tract | 05815 |
| Legal Lot Number | 136 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 345115 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 45 SIOUX LN, SAN RAMON, CA 94583-4301 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants in Common |
| Date | Document |
|---|---|
| Jan 25, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Jul 8, 2020 | Deed of Trust, Mortgage · Conventional Mortgage PRIME LNDG |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Nov 27, 1996 |
| Transfer Doc | 0000225717 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 45 SIOUX LN, SAN RAMON, CA 94583-4301 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 45 SIOUX LN, SAN RAMON, CA 94583-4301 |
| Document Number | 0000022450 |
|---|---|
| Date | Jan 25, 2021 |
| Instrument | 2021-022450 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 45 SIOUX LN, SAN RAMON, CA 94583-4301 |
| Document Number | 0000138662 |
| Instrument Date | Jul 8, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jul 21, 2020 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY TITLE |
| Name | Verified Name |
|---|---|
| Address | 45 SIOUX LN SAN RAMON CA 945834301, SAN RAMON, CA 94583-4301 |
| Document Number | 0000138662 |
|---|---|
| Date | Jul 13, 2020 |
| Instrument | 138662 |
| Name | PRIME LNDG |
|---|---|
| Address | DALLAS, TX 75252 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 12, 2050 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $793,654 (+2%) Land $304,014 Building $489,640 | |
| 2025 | $9,420.00 (+3.88%) Homeowner's exemption | $778,093 (+4.04%) Land $298,053 Building $480,040 |
| 2023 | $9,068.00 (+0.77%) Homeowner's exemption | $747,880 Land $286,480 Building $461,400 |
| 2022 | $8,999.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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.
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 |
| 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.
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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