Contra Costa County property record for 90 Monasterio Ct, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,713 sqft · built 1979 |
| Lot Size | 0.176 acres (7,680 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $635,000 (Oct 2008) |
| Tax Bill | $9,849 (2025) |
| Deeds & Mortgages | Sep 2022 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 209-512-020-6 |
| Primary APN | 209-512-020-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,713 sqft Living Area |
| Gross Area | 2,150 sqft |
| 1st Floor Area | 1,713 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 7,680 sqft (0.176 acres) |
| Garage Type | Attached |
| Garage Area | 437 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 90 MONASTERIO CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2139 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05217 L0243 B |
| Legal Subdivision | SAN RAMON |
| Legal Tract | 05217 |
| Legal Lot Number | 243 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 345116 |
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 | 90 MONASTERIO CT, SAN RAMON, CA 94583-2139 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 29, 2008 · Amount on Record |
| Deed Sale | Oct 29, 2008 · Amount on Record |
| Deed Document Number | 2008238530 |
| Prior Transfer Date | May 19, 2008 |
| Prior Transfer Doc | 0000123658 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 90 MONASTERIO CT, SAN RAMON, CA 94583-2139 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|---|
| Address | 90 MONASTERLO COURT, SAN RAMON, CA 94583-2139 |
| Document Number | 0000141068 |
|---|---|
| Date | Sep 19, 2022 |
| Instrument | 2022-141068 |
| Name | STAR ONE CU |
|---|---|
| Type | Credit Union |
| Address | SUNNYVALE, CA 94088 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 302 Months |
| Due | Nov 23, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $834,067 (+2%) Land $525,399 Building $308,668 | |
| 2025 | $9,849.00 (+3.87%) Homeowner's exemption | $817,714 (+4.04%) Land $515,098 Building $302,616 |
| 2023 | $9,482.00 (+0.77%) Homeowner's exemption | $785,964 Land $495,098 Building $290,866 |
| 2022 | $9,410.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (2025) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2025 · other causes |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 59% of the US · lower than 64% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 549 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 |
May also be available: T-Mobile.
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