Contra Costa County property record for 643 Thyme Way, San Ramon, CA 94582 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 3,095 sqft · built 2018 |
| Lot Size | 0.09 acres (3,915 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,460,500 (Aug 2019) |
| Tax Bill | $20,536 (2025) |
| Deeds & Mortgages | Sep 2025 Mortgage Mar 2021 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 222-820-010-7 |
| Primary APN | 222-820-010-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,095 sqft Living Area |
| 1st Floor Area | 1,430 sqft |
| 2nd Floor Area | 1,665 sqft |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2019 |
| Architectural Style | Cluster |
| Lot Area | 3,915 sqft (0.09 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 643 THYME WAY |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94582-5099 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9299 L10 |
| Legal Subdivision | SUBDIVISION 9299 |
| Legal Tract | 9299 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4031 |
| Census Tract | 345112 |
Source: Contra Costa County records · APN 222-820-010-7
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 643 THYME WAY, SAN RAMON, CA 94582-5099 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Sep 29, 2025 | Deed of Trust, Mortgage · Conventional Mortgage US BANK NA |
| Mar 09, 2021 | Intrafamily Transfer, Transfer |
| Mar 12, 2020 | Deed of Trust, Mortgage GOLDEN 1 CU |
| Aug 09, 2019 | Grant Deed, Subdivision Related Transfer · ARM PATELCO CU |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 09, 2019 · Amount on Record |
| Deed Sale | Aug 09, 2019 · Amount on Record |
| Deed Document Number | 2019126332 |
| Last Transfer Date | Feb 09, 2021 |
| Transfer Doc | 0000071387 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 643 THYME WAY, SAN RAMON, CA 94582-5099 |
| Transaction Type | Mortgage |
| Record Updated | Oct 08, 2025 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 643 THYME WAY, SAN RAMON, CA 94582-5099 |
| Document Number | 0000101472 |
|---|---|
| Date | Sep 29, 2025 |
| Instrument | 2025- 101472 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | 2800 TAMARACK RD, OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Oct 01, 2032 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 11% |
| Index | Other |
| Max Rate | 11% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 09, 2021 |
| Property Address | 643 THYME WAY, SAN RAMON, CA 94582-5099 |
| Document Number | 0000071387 |
| Map Reference | MB 533 PG 48-56 |
| Instrument Date | Feb 09, 2021 |
| Instrument | 2021-071387 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 643 THYME WAY, SAN RAMON, CA 94582-5099 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 643 THYME WAY, SAN RAMON, CA 94582-5099 |
| Document Number | 0000050309 |
| Instrument Date | Mar 12, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Mar 24, 2020 |
| Title Company | TITLE SERVICE AND LIAISON COMPANIES, SYNRGO INC |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 643 THYME WAY SAN RAMON CA 945825474, SAN RAMON, CA 94582-5474 |
| Document Number | 0000050309 |
|---|---|
| Date | Mar 17, 2020 |
| Instrument | 50309 |
| Name | GOLDEN 1 CU |
|---|---|
| Type | Credit Union |
| Address | 8945 CAL CENTER DR, SACRAMENTO, CA 95826-3239 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Mar 16, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.75% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 09, 2019 |
| Property Address | 643 THYME WAY, SAN RAMON, CA 94582-5099 |
| Document Number | 0000126332 |
| Map Reference | MB 533 PG 48-55 |
| Instrument Date | Jul 03, 2019 |
| Instrument | 2019-126332 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | WESTMINSTER TITLE CO INC |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 643 THYME WAY, SAN RAMON, CA 94582-5099 |
| Document Number | 0000126333 |
|---|---|
| Date | Aug 09, 2019 |
| Instrument | 2019-126333 |
| Name | PATELCO CU |
|---|---|
| Type | Mortgage Company |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.25% |
| Type Change Date | Sep 01, 2026 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 5.25% |
| Index | 1-Year CMT |
| Max Rate | 9.25% |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,628,653 (+2%) Land $892,413 Building $736,240 | |
| 2025 | $20,536.00 (+4.03%) | $1,596,719 (+4.04%) Land $874,915 Building $721,804 |
| 2023 | $19,740.00 (+1.25%) | $1,534,718 Land $840,942 Building $693,776 |
| 2022 | $19,497.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133451124, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Moderate above 54% of the US · above 32% of California |
|---|---|
| Wildfire Likelihood | About 1 in 758 per year |
| Exposure | Direct burnable vegetation at the parcel |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 534 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 2,000 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Sail Internet Holdings, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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