339 Mainsail Rd, Oceanside, CA 92054 Property Records

San Diego County property record for 339 Mainsail Rd, Oceanside, CA 92054

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,561 sqft · built 1980
Lot Size	0.255 acres (11,119 sqft)
Owner	2 Company Names on Record
Last Sale	$661,500 (Sep 2018)
Tax Bill	$8,219 (2025)
Deeds & Mortgages	Mar 2024 Transfer Mar 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`162-441-18-00`

Property Details

APN / Parcel Number

Primary APN	`162-441-18-00`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Building Area	2,561 sqft Living Area

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Lot Area	11,119 sqft (0.255 acres)
Garage Type	Carport
Carport	Carport
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	339 MAINSAIL RD
City	OCEANSIDE
State	CA
Zip	92054-4607
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RS
Legal Description	LOT 18 TR 008968
Legal Subdivision	SEA MESA
Legal Tract	008968
Legal Block	3
Legal Lot Number	18
Jurisdiction	SAN DIEGO CA
Township / Civil Division	OCEANSIDE-ESCONDIDO
Census Block Group	3
Census Block	3000
Census Tract	18511

Owner

Source: San Diego County records, as of July 28, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	339 MAINSAIL RD, OCEANSIDE, CA 92054-4607
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 22, 2024	Intrafamily Transfer, Transfer
Mar 23, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Mar 24, 2020	Quit Claim Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Mar 24, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Sep 6, 2018	Grant Deed, Transfer · Conventional Mortgage SYNERGY ONE LNDG

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 6, 2018 · Amount on Record
Deed Sale	Sep 6, 2018 · Amount on Record
Deed Document Number	2018367522
Last Transfer Date	Feb 9, 2024
Transfer Doc	0000072153
Record Updated	Sep 20, 2026

March 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN DIEGO CA
Recording Date	Mar 22, 2024
Property Address	339 MAINSAIL RD, OCEANSIDE, CA 92054-4607
Document Number	0000072153
Map Reference	MAP 8968
Instrument Date	Feb 9, 2024
Instrument	2024-0072153
Transaction Type	Transfer
Record Updated	Apr 2, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	339 MAINSAIL RD, OCEANSIDE, CA 92054-4607

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN DIEGO CA
Recording Date	Mar 23, 2021
Property Address	339 MAINSAIL RD, OCEANSIDE, CA 92054-4607
Document Number	0000226766
Map Reference	MAP 8968
Instrument Date	Mar 17, 2021
Instrument	2021-0226766
Transaction Type	Transfer
Record Updated	Aug 24, 2021
Title Company	CHICAGO TITLE COMPANY-SD, CHICAGO TITLE COMPANY SD

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	339 MAINSAIL RD, OCEANSIDE, CA 92054-4607

Mortgage

Document Number	0000226767
Date	Mar 23, 2021
Instrument	2021-0226767

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN DIEGO CA
Recording Date	Mar 24, 2020
Property Address	339 MAINSAIL RD, OCEANSIDE, CA 92054-4607
Document Number	0000152470
Instrument Date	Mar 19, 2020
Instrument	152470
Transaction Type	Transfer
Record Updated	Apr 9, 2020
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	339 MAINSAIL RD OCEANSIDE CA 920544607, OCEANSIDE, CA 92054-4607

March 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN DIEGO CA
Recording Date	Mar 24, 2020
Property Address	339 MAINSAIL RD, OCEANSIDE, CA 92054-4607
Document Number	0000152471
Map Reference	MAP 8968
Instrument Date	Mar 19, 2020
Instrument	2020-0152471
Transaction Type	Transfer
Record Updated	Aug 24, 2021
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	339 MAINSAIL ROAD, POWAY, CA 92064

Mortgage

Document Number	0000152472
Date	Mar 24, 2020
Instrument	2020-0152472

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2050

September 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN DIEGO CA
Recording Date	Sep 6, 2018
Property Address	339 MAINSAIL RD, OCEANSIDE, CA 92054-4607
Document Number	0000367522
Instrument Date	Aug 28, 2018
Instrument	367522
Transaction Type	Transfer
Record Updated	Sep 12, 2018
Title Company	FNTG BUILDER SERVICES

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$727.65
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	392 COMPASS RD OCEANSIDE CA 920544642, OCEANSIDE, CA 92054-4642

Mortgage

Document Number	367523
Date	Sep 6, 2018
Instrument	367523

Lender

Name	SYNERGY ONE LNDG
Address	SAN DIEGO, CA 92108

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 5, 2048

Tax Assessment & Valuation

Source: San Diego County assessment roll, as of July 28, 2026

Property Jurisdictions

Type	Name
State	California
County	San Diego County
Municipality	Oceanside City
Unified School District	Oceanside Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$752,669 (+2%) Land $198,347 Building $554,322
2025	$8,219.00 (+5.21%) Homeowner's exemption	$737,911 (+4.04%) Land $194,458 Building $543,453
2023	$7,812.00 (+1.56%) Homeowner's exemption	$709,259 Land $186,908 Building $522,351
2022	$7,692.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 3, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	1 in force

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.

Wildfire

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

Wildfire Risk	Low lower than 95% of the US · lower than 97% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF OCEANSIDE serves 174,340 people · EPA ID CA3710014
Water Source	Purchased surface water from several systems
Lead	Under 1 ppb (2022–2024) 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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 505 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Cox Communications Cable	2,000 / 100
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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