363 E 18th St, Costa Mesa, CA 92627 Property Records

Orange County property record for 363 E 18th St, Costa Mesa, CA 92627

Property Summary

Property Type	Multi-Family Dwellings
Details	6,284 sqft · built 1966
Lot Size	0.414 acres (18,025 sqft)
Owner	Company Name on File
Tax Bill	$14,361 (2025)
Flood Zone	Zone X (minimal risk)
APN	`425-022-25`

Property Details

APN / Parcel Number

Primary APN	`425-022-25`

Interior

Units	5 Units
Stories	2 Stories
Building Area	6,284 sqft Living Area

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Architectural Style	Multi-Family
Construction Type	Frame
Lot Area	18,025 sqft (0.414 acres)
Garage Type	Attached
Garage Area	1,780 sqft

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	363 E 18TH ST
City	COSTA MESA
State	CA
Zip	92627-3115
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Local Zoning Code	R7
Legal Description	A TR NEWPORT HEIGHTS BLK LOT 126 NEWPORT HEIGHTS LOT 126 SELY 60 FT NWLY 180 FT
Legal Subdivision	NEWPORT HEIGHTS
Legal Tract	516
Legal Lot Number	126
Jurisdiction	ORANGE CA
Township / Civil Division	CENTRAL COAST
Census Block Group	2
Census Block	2000
Census Tract	63302

Owner

Source: Orange County records · APN 425-022-25

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	2134 IRIS PL, COSTA MESA, CA 92627-1805
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Orange County records · Assessment roll updated August 4, 2026 · Last verified August 2026

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
2026		$855,361 (+2%) Land $496,619 Building $358,742
2025	$14,361.00 (+8.57%)	$838,590 (+4.04%) Land $486,882 Building $351,708
2023	$13,227.00 (+4.78%)	$806,028 Land $467,977 Building $338,051
2022	$12,624.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 27, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

Wildfire

Wildfire Risk	Not rated no burnable land within 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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: California Internet, T-Mobile USA, Verizon.

Based on FCC filings for 792 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	MESA WATER DISTRICT serves 110,000 people
Water Source	Purchased surface water from several systems
Last State Inspection	Aug 2023
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.