Alameda County property record for 230 Mortimer Ave, Fremont, CA 94536
| Property Type | Single Family Home |
|---|---|
| Details | 1,409 sqft · built 1978 |
| Lot Size | 0.141 acres (6,157 sqft) |
| Owner | Company Name on Record |
| Last Sale | $310,000 (Feb 1999) |
| Tax Bill | $6,398 (2025) |
| Deeds & Mortgages | Oct 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 507-435-137 |
| Primary APN | 507-435-137 |
|---|---|
| Alternative APN |
|
| Building Area | 1,409 sqft Living Area |
|---|
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,157 sqft (0.141 acres) |
| Street Address | 230 MORTIMER AVE |
|---|---|
| City | FREMONT |
| State | CA |
| Zip | 94536-4317 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00191 BLK: TR: 3562 |
| Legal Subdivision | TRACT 3562 |
| Legal Tract | 3562 |
| Legal Lot Number | 191 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 441924 |
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 | 230 MORTIMER AVE, FREMONT, CA 94536-4317 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 26, 1999 · Amount on Record |
| Deed Sale | Feb 26, 1999 · Amount on Record |
| Deed Document Number | 199981685 |
| Last Transfer Date | Oct 1, 2019 |
| Transfer Doc | 0000200431 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Oct 3, 2019 |
| Property Address | 230 MORTIMER AVE, FREMONT, CA 94536-4317 |
| Document Number | 0000200431 |
| Instrument Date | Oct 1, 2019 |
| Instrument | 200431 |
| Transaction Type | Transfer |
| Record Updated | Oct 28, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 230 MORTIMER AVE FREMONT CA 945364317, FREMONT, CA 94536-4317 |
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 | $488,680 (+0.56%) Land $148,704 Building $346,976 | ||
| 2025 | $6,398.00 (+7.28%) Homeowner's exemption | $485,961 (+4.04%) Land $145,788 Building $340,173 | |
| 2023 | $5,964.00 Homeowner's exemption | $467,094 Land $140,128 Building $326,966 | $1,293,840 |
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 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Indirect within 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 513 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Tekify Fiber & Wireless Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T DSL | 100 / 20 |
May also be available: GeoLinks, T-Mobile.
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