Alameda County property record for 781 Optimo Ave, Fremont, CA 94539 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,830 sqft · built 1985 |
| Lot Size | 0.248 acres (10,812 sqft) |
| Owner | Company Name on File |
| Tax Bill | $6,041 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 525-1654-28 |
| Primary APN | 525-1654-28 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,830 sqft Living Area |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 10,812 sqft (0.248 acres) |
| Street Address | 781 OPTIMO AVE |
|---|---|
| City | FREMONT |
| State | CA |
| Zip | 94539-3769 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00029 BLK: TR: 4640 |
| Legal Tract | 4640 |
| Legal Lot Number | 29 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 442100 |
Source: Alameda County records · APN 525-1654-28
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 | 781 OPTIMO AVE, FREMONT, CA 94539-3769 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 11, 2007 |
| Transfer Doc | 0000370726 |
| Record Updated | Sep 20, 2026 |
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 | $457,220 (+0.46%) Land $86,556 Building $377,664 | ||
| 2025 | $6,041.00 (+8.61%) Homeowner's exemption | $455,118 (+4.04%) Land $84,859 Building $370,259 | |
| 2023 | $5,562.00 Homeowner's exemption | $437,448 Land $81,564 Building $355,884 | $2,187,720 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014421001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 610 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 1,000 / 75 |
| Tekify | Fixed Wireless (unlicensed) | 650 / 150 |
| Sail Internet Holdings | Fixed Wireless (unlicensed) | 500 / 100 |
| AT&T | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: T-Mobile USA, AT&T, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures