Orange County property record for 320 Walnut St, Costa Mesa, CA 92627 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,603 sqft · built 1958 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $3,266 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 426-293-13 |
| Primary APN | 426-293-13 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,603 sqft Living Area |
| 1st Floor Area | 1,603 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Area | 451 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 320 WALNUT ST |
|---|---|
| City | COSTA MESA |
| State | CA |
| Zip | 92627-2334 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N TR 1634 BLK LOT 4 |
| Legal Tract | 1634 |
| Legal Lot Number | 4 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | CENTRAL COAST |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 63202 |
Source: Orange County records · APN 426-293-13
Assessment roll updated August 4, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 320 WALNUT ST, COSTA MESA, CA 92627-2334 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | May 12, 1998 |
| Transfer Doc | 0000429685 |
| Record Updated | Sep 20, 2026 |
Source: Orange County records · Assessment roll updated August 4, 2026 · Last verified August 2026
| 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 |
|---|---|---|
| 2026 | $219,123 (+2%) Land $129,113 Building $90,010 | |
| 2025 | $3,266.00 (+8.5%) Homeowner's exemption | $214,827 (+4.04%) Land $126,581 Building $88,246 |
| 2023 | $3,010.00 (+5.69%) Homeowner's exemption | $206,486 Land $121,666 Building $84,820 |
| 2022 | $2,848.00 |
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 792 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 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: T-Mobile USA, AT&T, Verizon, California Internet, Spectrum. Availability varies by address; speeds are provider-advertised maximums, not measured.
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