Alameda County property record for 47478 Mantis St, Fremont, CA 94539
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,821 sqft · built 1969 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,640,000 (May 2021) |
| Tax Bill | $21,622 (2025) |
| Deeds & Mortgages | Dec 2023 Transfer May 2021 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 519-1196-53 |
| Primary APN | 519-1196-53 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,821 sqft Living Area |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | L-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 47478 MANTIS ST |
|---|---|
| City | FREMONT |
| State | CA |
| Zip | 94539-7413 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00070 BLK: 0004 TR: 2941 |
| Legal Subdivision | TR 2941 |
| Legal Tract | 2941 |
| Legal Block | 4 |
| Legal Lot Number | 70 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 443322 |
Source: Alameda County records · APN 519-1196-53
Assessment roll updated August 5, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 47478 MANTIS ST, FREMONT, CA 94539-7413 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Dec 13, 2023 | Intrafamily Transfer, Transfer |
| May 27, 2021 | Affidavit of Death of Joint Tenant, Transfer CHICAGO TITLE COMPANY |
| May 27, 2021 | Grant Deed, Transfer · Conventional Mortgage PROSPERITY HOME MORTGAGE LLC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 27, 2021 · Amount on Record |
| Deed Sale | May 27, 2021 · Amount on Record |
| Deed Document Number | 2021198693 |
| Last Transfer Date | Nov 29, 2023 |
| Transfer Doc | 0000145491 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 13, 2023 |
| Property Address | 47478 MANTIS ST, FREMONT, CA 94539-7413 |
| Document Number | 0000145491 |
| Map Reference | MB 59 PG 80&81 |
| Instrument Date | Nov 29, 2023 |
| Instrument | 2023145491 |
| Transaction Type | Transfer |
| Record Updated | Feb 06, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Revocable Trust |
| Address | 47478 MANTIS ST, FREMONT, CA 94539-7413 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 27, 2021 |
| Property Address | 47478 MANTIS ST, FREMONT, CA 94539-7413 |
| Document Number | 0000198692 |
| Map Reference | MB 59 PG 80&81 |
| Instrument Date | May 14, 2021 |
| Instrument | 2021198692 |
| Transaction Type | Transfer |
| Record Updated | Aug 22, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 340 SAINT ANDREWS ST, HAYWARD, CA 94544-7340 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 27, 2021 |
| Property Address | 47478 MANTIS ST, FREMONT, CA 94539-7413 |
| Document Number | 0000198693 |
| Map Reference | MB 59 PG 80&81 |
| Instrument Date | May 14, 2021 |
| Instrument | 2021198693 |
| Transaction Type | Transfer |
| Record Updated | Aug 22, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 47478 MANTIS ST, FREMONT, CA 94539-7413 |
| Document Number | 0000198694 |
|---|---|
| Date | May 27, 2021 |
| Instrument | 2021198694 |
| Name | PROSPERITY HOME MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2051 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Fremont City |
| Unified School District | Fremont Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,810,658 (+2%) Land $662,436 Building $1,148,222 | ||
| 2025 | $21,622.00 (+8.02%) | $1,775,168 (+4.04%) Land $649,452 Building $1,125,716 | |
| 2023 | $20,016.00 | $1,706,256 Land $624,240 Building $1,082,016 | $1,723,410 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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 are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 615 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Sail Internet Holdings Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Tekify Fixed Wireless | 700 / 700 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: California Internet, T-Mobile USA.
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | ALAMEDA COUNTY WATER DISTRICT serves 344,000 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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