Orange County property record for 231 Walnut St, Costa Mesa, CA 92627
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,048 sqft · built 1953 |
| Lot Size | 0.186 acres (8,105 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $512,000 (Sep 2003) |
| Tax Bill | $9,744 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage Mar 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 426-272-09 |
| Primary APN | 426-272-09 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,048 sqft Living Area |
| 1st Floor Area | 2,048 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 8,105 sqft (0.186 acres) |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 231 WALNUT ST |
|---|---|
| City | COSTA MESA |
| State | CA |
| Zip | 92627-2215 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | A TR NEWPORT HEIGHTS BLK LOT 183 NEWPORT HEIGHTS LOT 183 SELY 60 FT NWLY 420 FT |
| Legal Subdivision | NEWPORT HEIGHTS |
| Legal Tract | 516 |
| Legal Lot Number | 183 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | CENTRAL COAST |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 63202 |
Source: Orange County records, as of August 4, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 231 WALNUT ST, COSTA MESA, CA 92627-2215 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Feb 16, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Mar 12, 2019 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 18, 2003 · Amount on Record |
| Deed Sale | Sep 18, 2003 · Amount on Record |
| Deed Document Number | 20031147530 |
| Last Transfer Date | Apr 14, 2014 |
| Transfer Doc | 0000166168 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ORANGE CA |
| Property Address | 231 WALNUT ST, COSTA MESA, CA 92627-2215 |
| Transaction Type | Mortgage |
| Record Updated | Feb 25, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY RESID', FIRST AMER TTL CO RES DIV |
| Name | Verified Name |
|---|---|
| Address | 231 WALNUT ST, COSTA MESA, CA 92627-2215 |
| Document Number | 0000106853 |
|---|---|
| Date | Feb 16, 2021 |
| Instrument | 2021000106853 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ORANGE CA |
| Property Address | 231 WALNUT ST, COSTA MESA, CA 92627-2215 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000077059 |
|---|---|
| Date | Mar 12, 2019 |
| Instrument | 2019000077059 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2049 |
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 | $842,647 (+2%) Land $671,596 Building $171,051 | |
| 2025 | $9,744.00 (+5.42%) | $826,125 (+4.04%) Land $658,427 Building $167,698 |
| 2023 | $9,243.00 (+2.93%) | $794,047 Land $632,860 Building $161,187 |
| 2022 | $8,980.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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 692 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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