Contra Costa County property record for 9957 Mangos Dr, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,187 sqft · built 1979 |
| Lot Size | 0.36 acres (15,680 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $560,000 (May 2001) |
| Tax Bill | $10,132 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 212-301-008 |
| Primary APN | 212-301-008 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,187 sqft Living Area |
| 1st Floor Area | 1,665 sqft |
| 2nd Floor Area | 522 sqft |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1998 |
| Lot Area | 15,680 sqft (0.36 acres) |
| Garage Type | Attached |
| Garage Area | 477 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 9957 MANGOS DR |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2859 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T03845 L0031 B EX MR |
| Legal Tract | 03845 |
| Legal Lot Number | 31 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 345103 |
9957 Mangos Dr is owned and occupied by two individuals who bought it in May 2001.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9957 MANGOS DR, SAN RAMON, CA 94583-2859 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 21, 2001 · Amount on File |
| Deed Sale | May 21, 2001 · Amount on File |
| Deed Document Number | 2001135731 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 9957 Mangos Dr was $10,132 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 | $860,687 (+2%) Land $422,658 Building $438,029 | |
| 2025 | $10,132.00 Homeowner's exemption | $843,812 Land $414,371 Building $429,441 |
| 2023 | $9,755.00 (+0.76%) Homeowner's exemption | $811,048 Land $398,282 Building $412,766 |
| 2022 | $9,681.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 9957 Mangos Dr in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 1 (1982) |
| Most Recent Claim | Jan 1982 · Severe Storms, Flood, Mudslides & High Tide |
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.
The area around 9957 Mangos Dr has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 572 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 Fixed Wireless · DSL | 100 / 20 |
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