Orange County property record for 231 Knox Pl, Costa Mesa, CA 92627
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 2,795 sqft · built 2006 |
| Lot Size | 0.172 acres (7,480 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,050,000 (Jun 2005) |
| Tax Bill | $22,466 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 425-333-17 |
| Primary APN | 425-333-17 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,795 sqft Living Area |
| 1st Floor Area | 2,795 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Lot Area | 7,480 sqft (0.172 acres) |
| Garage Area | 369 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 231 KNOX PL |
|---|---|
| City | COSTA MESA |
| State | CA |
| Zip | 92627-3815 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N TR 2787 BLK LOT 15 |
| Legal Tract | 2787 |
| Legal Lot Number | 15 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | CENTRAL COAST |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 63302 |
231 Knox Pl is owned and occupied by two individuals who bought it in June 2005.
Source: Orange County records, as of August 4, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 231 KNOX PL, COSTA MESA, CA 92627-3815 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Jun 6, 2005 · Amount on File |
| Deed Sale | Jun 6, 2005 · Amount on File |
| Prior Sale | Jul 16, 2004 |
| Deed Document Number | 2005433827 |
| Prior Transfer Date | Aug 5, 2003 |
| Prior Transfer Doc | 0000946498 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 231 Knox Pl was $22,466 with a homeowner's exemption.
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 | $2,088,325 (+2%) Land $1,398,416 Building $689,909 | |
| 2025 | $22,466.00 Homeowner's exemption | $2,047,378 Land $1,370,996 Building $676,382 |
| 2023 | $17,892.00 (+2.32%) Homeowner's exemption | $1,626,145 Land $1,090,398 Building $535,747 |
| 2022 | $17,487.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 231 Knox Pl in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1997.
Source: FEMA National Flood Hazard Layer, effective September 27, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (1997–2017) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Feb 2017 · Severe Winter Storms, Flooding, And Mudslides |
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.
The area around 231 Knox Pl 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 655 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless · DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
May also be available: GeoLinks, T-Mobile, Verizon.
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