Orange County property record for 600 Knowell Pl, Costa Mesa, CA 92627
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,499 sqft · built 1954 |
| Lot Size | 0.139 acres (6,032 sqft) |
| Owner | Individual Name on File |
| Last Sale | $140,000 (Sep 1996) |
| Tax Bill | $3,404 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 422-131-24 |
| Primary APN | 422-131-24 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,499 sqft Living Area |
| 1st Floor Area | 1,499 sqft |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 6,032 sqft (0.139 acres) |
| Garage Area | 360 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 600 KNOWELL PL |
|---|---|
| City | COSTA MESA |
| State | CA |
| Zip | 92627-2623 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N TR 2168 BLK LOT 7 |
| Legal Tract | 2168 |
| Legal Lot Number | 7 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | CENTRAL COAST |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 63702 |
600 Knowell Pl is owned and occupied by an individual who acquired it in March 2013.
Source: Orange County records, as of August 4, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 600 KNOWELL PL, COSTA MESA, CA 92627-2623 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Sep 12, 1996 · Amount on File |
| Deed Sale | Sep 12, 1996 · Amount on File |
| Deed Document Number | 1996466727 |
| Last Transfer Date | Mar 21, 2013 |
| Transfer Doc | 0000250124 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 600 Knowell Pl was $3,404 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 | $232,564 (+2%) Land $144,924 Building $87,640 | |
| 2025 | $3,404.00 Homeowner's exemption | $228,004 Land $142,082 Building $85,922 |
| 2023 | $3,143.00 (+5.51%) Homeowner's exemption | $219,151 Land $136,564 Building $82,587 |
| 2022 | $2,979.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 600 Knowell Pl in Zone X, an area of minimal flood risk, though there have been 1 flood claim 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 | 1 (1997) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 1997 · 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.
The area around 600 Knowell 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 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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