Alameda County property record for 5866 Idlewild Ave, Livermore, CA 94551
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,120 sqft · built 1971 |
| Lot Size | 0.145 acres (6,300 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,640 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 99B-5209-5 |
| Primary APN | 99B-5209-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,120 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | Custom Design |
| Exterior Material | Composition/Composite |
| Construction Type | Wood |
| Lot Area | 6,300 sqft (0.145 acres) |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 5866 IDLEWILD AVE |
|---|---|
| City | LIVERMORE |
| State | CA |
| Zip | 94551-5633 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00256 BLK: TR: 2459 |
| Legal Subdivision | TRACT 2459 |
| Legal Tract | 2459 |
| Legal Lot Number | 256 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 451202 |
5866 Idlewild Ave is owned and occupied by an individual who acquired it in July 2024.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 5866 IDLEWILD AVE, LIVERMORE, CA 94551-5633 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jul 17, 2024 |
| Transfer Doc | 0000090201 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 5866 Idlewild Ave was $3,640.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Livermore City |
| Unified School District | Livermore Valley Joint Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $220,610 (+2%) Land $87,853 Building $132,757 | ||
| 2025 | $3,640.00 | $216,285 Land $86,131 Building $130,154 | |
| 2023 | $3,483.00 | $207,886 Land $82,786 Building $125,100 | $874,260 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 5866 Idlewild Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1983) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Apr 1983 · rainfall accumulation |
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.
Wildfire risk around 5866 Idlewild Ave is moderate, ranking above 59% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 59% of the US · lower than 64% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 | CITY OF LIVERMORE serves 38,892 people · EPA ID CA0110011 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | Sep 2024 |
| Lead | Under 1 ppb (2023–2025) 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 703 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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