Contra Costa County property record for 300 Casper Pl, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,811 sqft · built 1967 |
| Lot Size | 0.176 acres (7,650 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $724,500 (Feb 2016) |
| Tax Bill | $9,935 (2025) |
| Deeds & Mortgages | Dec 2021 Mortgage Dec 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 210-541-028-2 |
| Primary APN | 210-541-028-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,811 sqft Living Area |
| 1st Floor Area | 1,811 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Ranch |
| Lot Area | 7,650 sqft (0.176 acres) |
| Garage Type | Attached |
| Garage Area | 475 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 300 CASPER PL |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-3537 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3471 LOT 81 EX MR |
| Legal Subdivision | SUBDIVISION 3471 |
| Legal Tract | 3471 |
| Legal Lot Number | 81 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 345101 |
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 | 300 CASPER PL, SAN RAMON, CA 94583-3537 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Dec 14, 2021 | Deed of Trust, Mortgage · Conventional Mortgage PENNYMAC LOAN SERVICES LLC |
| Dec 2, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Feb 22, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 26, 2016 · Amount on Record |
| Deed Sale | Feb 26, 2016 · Amount on Record |
| Prior Sale | Jan 14, 2005 · Amount on Record |
| Deed Document Number | 201632782 |
| Prior Transfer Date | Jan 11, 2005 |
| Prior Transfer Doc | 0000015672 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 300 CASPER PL, SAN RAMON, CA 94583-3537 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | WFG NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 300 CASPER PL, SAN RAMON, CA 94583-3537 |
| Document Number | 0000338421 |
|---|---|
| Date | Dec 14, 2021 |
| Instrument | 2021-338421 |
| Name | PENNYMAC LOAN SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Address | WESTLAKE VILLAGE, CA 91361 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 300 CASPER PL, SAN RAMON, CA 94583-3537 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE SF |
| Name | Verified Name |
|---|---|
| Address | 300 CASPER PL, SAN RAMON, CA 94583-3537 |
| Document Number | 0000293368 |
|---|---|
| Date | Dec 2, 2020 |
| Instrument | 2020-293368 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 300 CASPER PL, SAN RAMON, CA 94583-3537 |
| Document Number | 0000037224 |
| Instrument Date | Feb 22, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Mar 16, 2020 |
| Title Company | AMROCK TITLE CA INC |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 300 CASPER PL SAN RAMON CA 945833537, SAN RAMON, CA 94583-3537 |
| Document Number | 0000037224 |
|---|---|
| Date | Feb 27, 2020 |
| Instrument | 37224 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Feb 26, 2040 |
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 | $863,230 (+2%) Land $652,152 Building $211,078 | |
| 2025 | $9,935.00 (+3.71%) Homeowner's exemption | $846,305 (+4.04%) Land $639,365 Building $206,940 |
| 2023 | $9,580.00 (-0.5%) Homeowner's exemption | $813,444 Land $614,539 Building $198,905 |
| 2022 | $9,628.00 |
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 350 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 · Fiber in parts of the area | 100 / 20 |
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