Contra Costa County property record for 9966 Windsor Way, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,520 sqft · built 1977 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | Trust Name on File |
| Last Sale | $650,000 (Sep 2008) |
| Tax Bill | $10,058 (2025) |
| Deeds & Mortgages | May 2018 Mortgage May 2018 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 212-282-001-8 |
| Primary APN | 212-282-001-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,520 sqft Living Area |
| Gross Area | 1,967 sqft |
| 1st Floor Area | 1,520 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 7,000 sqft (0.161 acres) |
| Lot Dimensions | 100 ft deep x 70 ft wide |
| Garage Type | Attached |
| Garage Area | 447 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 9966 WINDSOR WAY |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2831 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04171 L0043 B EX MR |
| Legal Subdivision | SUBDIVISION 4171 |
| Legal Tract | 04171 |
| Legal Lot Number | 43 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 345102 |
9966 Windsor Way is owner-occupied and held in a trust since May 2018.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 9966 WINDSOR WAY, SAN RAMON, CA 94583-2831 |
| 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.
| Date | Document |
|---|---|
| May 18, 2018 | Quit Claim Deed, Transfer · Conventional Mortgage QUICKEN LNS |
| May 21, 2018 | Quit Claim Deed, Transfer TITLE SOURCE |
| Jan 31, 2017 | Quit Claim Deed, Transfer TSI TITLE COMPANY/CA INC, TSI TITLE CO/CA INC |
| Jan 31, 2017 | Quit Claim Deed, Transfer · Conventional Mortgage QUICKEN LNS |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 24, 2008 · Amount on File |
| Deed Sale | Sep 24, 2008 · Amount on File |
| Deed Document Number | 2008210756 |
| Last Transfer Date | May 11, 2018 |
| Transfer Doc | 0000079366 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 18, 2018 |
| Property Address | 9966 WINDSOR WAY, SAN RAMON, CA 94583-2831 |
| Document Number | 0000078486 |
| Instrument Date | May 11, 2018 |
| Instrument | 78486 |
| Transaction Type | Transfer |
| Record Updated | Nov 21, 2018 |
| Title Company | TITLE SOURCE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 9966 WINDSOR WAY SAN RAMON CA 945832831, SAN RAMON, CA 94583-2831 |
| Document Number | 78487 |
|---|---|
| Date | May 18, 2018 |
| Instrument | 78487 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 17, 2048 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 21, 2018 |
| Property Address | 9966 WINDSOR WAY, SAN RAMON, CA 94583-2831 |
| Document Number | 0000079366 |
| Instrument Date | May 11, 2018 |
| Instrument | 79366 |
| Transaction Type | Transfer |
| Record Updated | Jun 4, 2018 |
| Title Company | TITLE SOURCE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 9966 WINDSOR WAY SAN RAMON CA 945832831, SAN RAMON, CA 94583-2831 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 31, 2017 |
| Property Address | 9966 WINDSOR WAY, SAN RAMON, CA 94583-2831 |
| Document Number | 0000020194 |
| Instrument Date | Jan 21, 2017 |
| Instrument | 20194 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2017 |
| Title Company | TSI TITLE COMPANY/CA INC, TSI TITLE CO/CA INC |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 9966 WINDSOR WAY SAN RAMON CA 945832831, SAN RAMON, CA 94583-2831 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 31, 2017 |
| Property Address | 9966 WINDSOR WAY, SAN RAMON, CA 94583-2831 |
| Document Number | 0000020192 |
| Instrument Date | Jan 21, 2017 |
| Instrument | 20192 |
| Transaction Type | Transfer |
| Record Updated | Feb 7, 2017 |
| Title Company | TSI TITLE COMPANY/CA INC, TSI TITLE CO/CA INC |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 9966 WINDSOR WAY SAN RAMON CA 945832831, SAN RAMON, CA 94583-2831 |
| Document Number | 20193 |
|---|---|
| Date | Jan 31, 2017 |
| Instrument | 20193 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jan 30, 2047 |
The 2025 property tax bill for 9966 Windsor Way was $10,058 with a homeowner's exemption.
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 | $853,772 (+2%) Land $564,806 Building $288,966 | |
| 2025 | $10,058.00 Homeowner's exemption | $837,032 Land $553,732 Building $283,300 |
| 2023 | $9,684.00 (+0.76%) Homeowner's exemption | $804,531 Land $532,231 Building $272,300 |
| 2022 | $9,611.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 9966 Windsor Way in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 9966 Windsor Way is low, with a 0.01% 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 | 0.01% annual chance |
| Exposure | None beyond ember reach |
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 633 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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