Alameda County property record for 4133 Florida Ct, Livermore, CA 94550
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,867 sqft · built 1959 |
| Lot Size | 0.2 acres (8,696 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,380,000 (Dec 2024) |
| Tax Bill | $16,819 (2025) |
| Deeds & Mortgages | Oct 2020 Transfer Feb 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 99-1082-57 |
| Primary APN | 99-1082-57 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,867 sqft Living Area |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 8,696 sqft (0.2 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4133 FLORIDA CT |
|---|---|
| City | LIVERMORE |
| State | CA |
| Zip | 94550-3424 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00022 BLK: TR: 1977 |
| Legal Subdivision | TR 1977 |
| Legal Tract | 1977 |
| Legal Lot Number | 22 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 5 |
| Census Block | 5009 |
| Census Tract | 451503 |
4133 Florida Ct is owned by a company that bought it in December 2024.
Source: Alameda County records, as of August 26, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 4133 FLORIDA CT, LIVERMORE, CA 94550-3424 |
| Owner Type | Company |
| Vesting | Life Tenant |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Oct 21, 2020 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Feb 24, 2020 | Deed of Trust, Mortgage · Conventional Mortgage MARK P COSTELLA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 3, 2024 · Amount on File |
| Deed Sale | Dec 3, 2024 · Amount on File |
| Deed Document Number | 2024147603 |
| Prior Transfer Date | Jun 29, 2016 |
| Prior Transfer Doc | 0000168817 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Oct 21, 2020 |
| Property Address | 4133 FLORIDA CT, LIVERMORE, CA 94550-3424 |
| Document Number | 0000281360 |
| Instrument Date | Sep 28, 2020 |
| Instrument | 281360 |
| Transaction Type | Transfer |
| Record Updated | Jan 14, 2021 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 423 VERONA AVE DANVILLE CA 945262411, DANVILLE, CA 94526-2411 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4133 FLORIDA CT, LIVERMORE, CA 94550-3424 |
| Document Number | 0000075735 |
| Instrument Date | Feb 24, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 28, 2020 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 423 VERONA AVE DANVILLE CA 945262411, DANVILLE, CA 94526-2411 |
| Document Number | 0000075735 |
|---|---|
| Date | Apr 7, 2020 |
| Instrument | 75735 |
| Name | MARK P COSTELLA |
|---|---|
| Address | 423 VERONA AVE, DANVILLE, CA 94526-2411 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 4133 Florida Ct was $16,819.
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 | $1,407,600 (+2%) Land $422,280 Building $985,320 | ||
| 2025 | $16,819.00 | $1,380,000 Land $414,000 Building $966,000 | |
| 2023 | $2,870.00 | $154,328 Land $15,789 Building $138,539 | $978,120 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 4133 Florida Ct in Zone X, an area of minimal flood risk.
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.
The area around 4133 Florida Ct has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 | CALIFORNIA WATER SERVICE - LIVERMORE private · serves 60,414 people · EPA ID CA0110003 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | Dec 2024 |
| Also Mapped Here | CITY OF LIVERMORE |
| Lead | 8 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 681 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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