Contra Costa County property record for 161 Mavis Pl, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,324 sqft · built 1977 |
| Lot Size | 0.155 acres (6,750 sqft) |
| Owner | Company Name on Record |
| Last Sale | $205,000 (Sep 1995) |
| Tax Bill | $4,980 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage Jan 2022 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 212-282-029-9 |
| Primary APN | 212-282-029-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,324 sqft Living Area |
| 1st Floor Area | 1,324 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Traditional |
| Exterior Material | Wood Siding |
| Roof Material | Wood Shingle |
| Lot Area | 6,750 sqft (0.155 acres) |
| Garage Type | Attached |
| Garage Area | 470 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 161 MAVIS PL |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2826 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 4171 LOT 111 EX MR |
| Legal Subdivision | SUBDIVISION 4171 |
| Legal Tract | 4171 |
| Legal Lot Number | 111 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 345102 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 161 MAVIS PL, SAN RAMON, CA 94583-2826 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Dec 14, 2020 | Deed of Trust, Mortgage · Conventional Mortgage CELEBRITY HOME LOANS LLC |
| Jan 20, 2022 | Intrafamily Transfer, Transfer |
| Jan 20, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 29, 1995 · Amount on Record |
| Deed Sale | Sep 29, 1995 · Amount on Record |
| Deed Document Number | 1995164448 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 161 MAVIS PL, SAN RAMON, CA 94583-2826 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | PREMIUM TITLE |
| Name | Verified Name |
|---|---|
| Address | 15 LA GONDA CT, DANVILLE, CA 94526-1703 |
| Document Number | 0000312543 |
|---|---|
| Date | Dec 14, 2020 |
| Instrument | 2020-312543 |
| Name | CELEBRITY HOME LOANS LLC |
|---|---|
| Type | Non-Lending Institution |
| Address | WILMINGTON, IL 60481 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Jan 1, 2036 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 20, 2022 |
| Property Address | 161 MAVIS PL, SAN RAMON, CA 94583-2826 |
| Document Number | 0000012380 |
| Map Reference | MB 158 PG 46 |
| Instrument Date | Jan 10, 2022 |
| Instrument | 2022-012380 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 2662 TRAFGAR CIRCLE, CONCORD, CA 94520 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 20, 2022 |
| Property Address | 161 MAVIS PL, SAN RAMON, CA 94583-2826 |
| Document Number | 0000012379 |
| Map Reference | MB 158 PG 46 |
| Instrument Date | Jan 10, 2022 |
| Instrument | 2022-012379 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 2662 TRAFALGAR CIR, CONCORD, CA 94520-1127 |
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 | $466,866 (+27.37%) Land $220,269 Building $246,597 | |
| 2025 | $4,980.00 (+9.02%) | $366,536 (+11.99%) Land $215,950 Building $150,586 |
| 2023 | $4,568.00 (+0.77%) | $327,305 Land $207,565 Building $119,740 |
| 2022 | $4,533.00 |
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 |
|---|---|
| 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.
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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