Alameda County property record for 47448 Mantis St, Fremont, CA 94539
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,386 sqft · built 1969 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $5,434 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 519-1196-58 |
| Primary APN | 519-1196-58 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,386 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Street Address | 47448 MANTIS ST |
|---|---|
| City | FREMONT |
| State | CA |
| Zip | 94539-7413 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00075 BLK: 0004 TR: 2941 |
| Legal Tract | 2941 |
| Legal Block | 4 |
| Legal Lot Number | 75 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 443322 |
Source: Alameda County records, as of August 5, 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 | 47448 MANTIS ST, FREMONT, CA 94539-7413 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Dec 4, 1998 |
| Transfer Doc | 0000101523 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Fremont City |
| Unified School District | Fremont Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $404,518 (+0.27%) Land $123,455 Building $288,063 | ||
| 2025 | $5,434.00 (+7.07%) Homeowner's exemption | $403,448 (+4.04%) Land $121,034 Building $282,414 | |
| 2023 | $5,075.00 Homeowner's exemption | $387,784 Land $116,335 Building $271,449 | $1,660,140 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| 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 | ALAMEDA COUNTY WATER DISTRICT serves 344,000 people · EPA ID CA0110001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2025 |
| 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.
Source: FCC Broadband Data Collection, based on 615 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Sail Internet Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Tekify Fiber & Wireless Fixed Wireless | 700 / 700 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: GeoLinks, T-Mobile.
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