Alameda County property record for 747 Optimo Ave, Fremont, CA 94539
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,258 sqft · built 1985 |
| Lot Size | 0.206 acres (8,986 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $5,478 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 525-1654-29 |
| Primary APN | 525-1654-29 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,258 sqft Living Area |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 8,986 sqft (0.206 acres) |
| Street Address | 747 OPTIMO AVE |
|---|---|
| City | FREMONT |
| State | CA |
| Zip | 94539-3769 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00028 BLK: TR: 4640 |
| Legal Tract | 4640 |
| Legal Lot Number | 28 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 442100 |
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 | 3687 LA DONNA AVE, PALO ALTO, CA 94306-2745 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Aug 30, 2013 |
| Transfer Doc | 0000333567 |
| 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 | $408,145 (+2%) Land $90,061 Building $318,084 | ||
| 2025 | $5,478.00 (+7.03%) | $400,143 (+4.04%) Land $88,295 Building $311,848 | |
| 2023 | $5,118.00 | $384,608 Land $84,867 Building $299,741 | $2,189,610 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 in force |
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 | 0.02% 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 610 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Tekify Fiber & Wireless Fixed Wireless | 650 / 150 |
| Sail Internet Fixed Wireless | 500 / 100 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: GeoLinks, T-Mobile.
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