Contra Costa County property record for 900 Mariposa Ave, Rodeo, CA 94572
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2.5 ba · 2,140 sqft · built 1958 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $130,000 (Nov 2012) |
| Tax Bill | $6,130 (2025) |
| Deeds & Mortgages | Feb 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 357-191-006 |
| Primary APN | 357-191-006 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,140 sqft Living Area |
| 1st Floor Area | 1,731 sqft |
| Basement Area | 409 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Duplex Single |
| Exterior Material | Stucco |
| Roof Material | Tar & Gravel |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 900 MARIPOSA AVE |
|---|---|
| City | RODEO |
| State | CA |
| Zip | 94572-1353 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | P1 |
| Legal Description | TOWN OF RODEO LOTS 12 & 13 BLK 28E |
| Legal Subdivision | RODEO |
| Legal Block | 28E |
| Legal Lot Number | 12,13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 358000 |
Source: Contra Costa County records, as of August 6, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 900 MARIPOSA AVE, RODEO, CA 94572-1353 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 30, 2012 · Amount on Record |
| Deed Sale | Nov 30, 2012 · Amount on Record |
| Prior Sale | Jul 25, 2012 · Amount on Record |
| Deed Document Number | 2012304499 |
| Prior Transfer Date | Sep 25, 1997 |
| Prior Transfer Doc | 0000221933 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 14, 2019 |
| Property Address | 900 MARIPOSA AVE, RODEO, CA 94572-1353 |
| Document Number | 0000020654 |
| Map Reference | MB D PG 91 |
| Instrument Date | Aug 21, 2018 |
| Instrument | 2019-020654 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | TICOR TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 900 MARIPOSA AVE, RODEO, CA 94572-1353 |
| Document Number | 0000020655 |
|---|---|
| Date | Feb 14, 2019 |
| Instrument | 2019-020655 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2049 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | John Swett Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $163,272 (+2%) Land $113,037 Building $50,235 | |
| 2025 | $6,130.00 (+27.15%) | $160,071 (+4.04%) Land $110,821 Building $49,250 |
| 2023 | $4,821.00 (+5.98%) | $153,858 Land $106,519 Building $47,339 |
| 2022 | $4,549.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 53 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 53 in force |
| Nearby Flood Claims | 4 (1998–2014) |
| Most Recent Claim | Dec 2014 · rainfall accumulation |
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 | 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 740 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile, Unwired.
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