Orange County property record for 366 Walnut St, Costa Mesa, CA 92627 · Last verified November 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,802 sqft · built 1955 |
| Lot Size | 0.147 acres (6,420 sqft) |
| Owner | Owner Name on File |
| Tax Bill | $15,912 (2025) |
| Deeds & Mortgages | Jul 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 426-303-18 |
| Primary APN | 426-303-18 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 3 Stories |
| Building Area | 1,802 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Lot Area | 6,420 sqft (0.147 acres) |
| Garage Area | 360 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 366 WALNUT ST |
|---|---|
| City | COSTA MESA |
| State | CA |
| Zip | 92627-2370 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N TR 2497 BLK LOT 5 |
| Legal Subdivision | 2497 |
| Legal Tract | 2497 |
| Legal Lot Number | 5 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | CENTRAL COAST |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 63202 |
Source: Orange County records · APN 426-303-18
Assessment roll updated July 1, 2025 · Last verified November 2025
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| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 366 WALNUT ST, COSTA MESA, CA 92627-2370 |
| Occupancy | Owner Occupied |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 27, 2006 |
| Deed Sale | Dec 27, 2006 |
| Prior Sale | Feb 23, 2011 |
| Deed Document Number | 0000867758 |
| Last Transfer Date | Mar 04, 2013 |
| Transfer Doc | 0000132034 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ORANGE CA |
| Property Address | 366 WALNUT ST, COSTA MESA, CA 92627-2370 |
| Document Number | 0000330510 |
| Instrument Date | Jul 08, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jul 30, 2020 |
| Title Company | LAWYERS TITLE |
| Name | Verified Name |
|---|---|
| Address | 366 WALNUT ST COSTA MESA CA 926272370, COSTA MESA, CA 92627-2370 |
| Document Number | 0000330510 |
|---|---|
| Date | Jul 13, 2020 |
| Instrument | 330510 |
| Name | CROSSMARK FINANCIAL CORPORATION CROSSMARK FINANCIAL CORPORATION |
|---|---|
| Type | Bank |
| Address | TUSTIN, CA 92780 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 12, 2050 |
Source: Orange County records · Assessment roll updated July 1, 2025 · Last verified November 2025
| Type | Name |
|---|---|
| State | California |
| County | Orange County |
| Municipality | Costa Mesa City |
| Unified School District | Newport-Mesa Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $15,912.00 (+4.88%) Homeowner's exemption | $1,421,825 (+4.04%) Land $1,282,903 Building $138,922 |
| 2023 | $15,172.00 (+2.44%) Homeowner's exemption | $1,366,615 Land $1,233,086 Building $133,529 |
| 2022 | $14,810.00 |
Source: FEMA National Flood Hazard Layer, Orange County (06059C), updated September 27, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060590632023, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 3 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 819 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: California Internet, Spectrum. Availability varies by address; speeds are provider-advertised maximums, not measured.
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