Orange County property record for 645 Beach St, Costa Mesa, CA 92627
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,355 sqft · built 1955 |
| Lot Size | 0.152 acres (6,600 sqft) |
| Owner | Individual Name on File |
| Last Sale | $400,000 (Oct 2010) |
| Tax Bill | $6,458 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 422-242-15 |
| Primary APN | 422-242-15 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,355 sqft Living Area |
| 1st Floor Area | 1,355 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Lot Area | 6,600 sqft (0.152 acres) |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating Fuel | Gas |
|---|
| Street Address | 645 BEACH ST |
|---|---|
| City | COSTA MESA |
| State | CA |
| Zip | 92627-3408 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N TR 1986 BLK LOT 39 |
| Legal Tract | 1986 |
| Legal Lot Number | 39 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | CENTRAL COAST |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 63701 |
645 Beach St is owned and occupied by an individual who bought it in October 2010.
Source: Orange County records, as of August 4, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 645 BEACH ST, COSTA MESA, CA 92627-3408 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 Sale | Oct 26, 2010 · Amount on File |
| Deed Sale | Oct 26, 2010 · Amount on File |
| Prior Sale | Oct 26, 2005 · Amount on File |
| Deed Document Number | 2010564071 |
| Prior Transfer Date | Oct 19, 2010 |
| Prior Transfer Doc | 0000564070 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 645 Beach St was $6,458.
Source: Orange County assessment roll, as of August 4, 2026
| Type | Name |
|---|---|
| State | California |
| County | Orange County |
| Municipality | Costa Mesa City |
| Unified School District | Newport-Mesa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $522,714 (+2%) Land $455,311 Building $67,403 | |
| 2025 | $6,458.00 | $512,465 Land $446,383 Building $66,082 |
| 2023 | $6,082.00 (+3.59%) | $492,566 Land $429,049 Building $63,517 |
| 2022 | $5,871.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 645 Beach St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 27, 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 645 Beach St 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 | MESA WATER DISTRICT serves 110,000 people · EPA ID CA3010004 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2023 |
| Lead | Under 1 ppb (2024–2026) 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 769 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Cosmo Network Solutions, GeoLinks, T-Mobile.
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