421 Walnut Pl, Costa Mesa, CA 92627 Property Records

Orange County property record for 421 Walnut Pl, Costa Mesa, CA 92627 · Last verified November 2025

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2 Baths
Year Built	Built 1951
Square Footage	1,551 sqft Living Area
Lot Size	7,200 sqft (0.165 acres)
Garage	400 sqft
Occupancy	Owner Occupied
Tax Bill	$6,452.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`426-312-15`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Building Area	1,551 sqft Living Area
Stories	1 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1951
Lot Area	7,200 sqft (0.165 acres)
Parking Spaces	2 Parking Spaces
Garage Area	400 sqft Garage

Location & Zoning

Street Address	421 WALNUT PL
City	COSTA MESA
State	CA
Zip	92627-2335
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	N TR 1426 BLK LOT 18
Legal Subdivision	1426
Legal Tract	1426
Legal Lot Number	18
Jurisdiction	ORANGE CA
Minor Civil Division	CENTRAL COAST
Census Blockgroup	3
Census Block	3006
Census Tract	63202

Owner

Source: Orange County records · APN 426-312-15

Assessment roll updated July 1, 2025 · Last verified November 2025

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 File
Mailing Address	421 WALNUT PL, COSTA MESA, CA 92627-2335
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 11, 2009
Deed Sale	Mar 11, 2009
Prior Sale	Mar 04, 2009
Deed Doc Number	2009000114464
Record Refreshed	Jun 08, 2026

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ORANGE CA
Recording Date	Jan 25, 2021
Property Address	421 WALNUT PL, COSTA MESA, CA 92627-2335
Document Number	0000052517
Instrument Date	Jan 17, 2021
Instrument	52517
Transaction Type	Transfer
Record Updated	Feb 04, 2021
Title Company	PACIFIC COAST TITLE COMPANY, PACIFIC COAST TITLE CO.

Transaction

Tax	$0.00
Additional	Quitclaim Document

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants In Common
Address	7912 BARBI LN LA PALMA CA 906231642, LA PALMA, CA 90623-1642

Mortgage

Document Number	52518
Date	Jan 25, 2021
Instrument	52518

Lender

Name	AMWEST FNDG CORP
Address	BREA, CA 92821

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jan 24, 2051

Tax Assessment & Valuation

Source: Orange County records · Assessment roll updated July 1, 2025 · Last verified November 2025

Property Jurisdictions

Type	Name
State	California
County	Orange County
Municipality	Costa Mesa City
Unified School District	Newport-Mesa Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2025	$6,452.00 (+6.22%) Homeowner's exemption	$518,937 (+4.04%) Land $444,583 Building $74,354
2023	$6,074.00 (+107.23%) Homeowner's exemption	$498,787 Land $427,319 Building $71,468
2022	$2,931.00

Flood & Wildfire

421 Walnut Pl is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · Orange County (06059C), updated September 27, 2026

FEMA Flood Zone	Zone X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach of burnable land

Values are read at the parcel center point; lenders make the official flood determination.