San Diego County property record for 423 Mainsail Rd, Oceanside, CA 92054
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,154 sqft · built 1981 |
| Lot Size | 0.203 acres (8,832 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $266,500 (Sep 2000) |
| Tax Bill | $4,539 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage Dec 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 162-462-12-00 |
| Primary APN | 162-462-12-00 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,154 sqft Living Area |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Lot Area | 8,832 sqft (0.203 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 423 MAINSAIL RD |
|---|---|
| City | OCEANSIDE |
| State | CA |
| Zip | 92054-4773 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS |
| Legal Description | LOT 181 TR 009359 |
| Legal Subdivision | SEA MESA |
| Legal Tract | 009359 |
| Legal Block | 3 |
| Legal Lot Number | 181 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | OCEANSIDE-ESCONDIDO |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 18511 |
423 Mainsail Rd is owned and occupied by two individuals who acquired it in February 2021.
Source: San Diego County records, as of July 28, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 423 MAINSAIL RD, OCEANSIDE, CA 92054-4773 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Feb 22, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage OPTIMUM FIRST INC |
| Dec 18, 2017 | Deed of Trust, Mortgage · Conventional Mortgage FIRSTBANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 14, 2000 · Amount on File |
| Deed Sale | Sep 14, 2000 · Amount on File |
| Prior Sale | Feb 22, 1989 · Amount on File |
| Deed Document Number | 2000494290 |
| Last Transfer Date | Feb 11, 2021 |
| Transfer Doc | 0000134648 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | Feb 22, 2021 |
| Property Address | 423 MAINSAIL RD, OCEANSIDE, CA 92054-4773 |
| Document Number | 0000134648 |
| Map Reference | MAP 9359 |
| Instrument Date | Feb 11, 2021 |
| Instrument | 2021-0134648 |
| Transaction Type | Transfer |
| Record Updated | Aug 24, 2021 |
| Title Company | WFG TITLE COMPANY/CA, WFG TITLE COMPANY OF CA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 423 MAINSAIL RD, OCEANSIDE, CA 92054-4773 |
| Document Number | 0000134649 |
|---|---|
| Date | Feb 22, 2021 |
| Instrument | 2021-0134649 |
| Name | OPTIMUM FIRST INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Mar 1, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Property Address | 423 MAINSAIL RD, OCEANSIDE, CA 92054-4773 |
| Document Number | 0000606907 |
| Instrument Date | Dec 18, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 29, 2018 |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 423 MAINSAIL RD OCEANSIDE CA 920544773, OCEANSIDE, CA 92054-4773 |
| Document Number | 0000606907 |
|---|---|
| Date | Dec 26, 2017 |
| Instrument | 606907 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Address | FRANKLIN, TN 37067 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Dec 25, 2047 |
The 2025 property tax bill for 423 Mainsail Rd was $4,539.
Source: San Diego County assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Diego County |
| Municipality | Oceanside City |
| Unified School District | Oceanside Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $409,580 (+2%) Land $126,988 Building $282,592 | |
| 2025 | $4,539.00 | $401,550 Land $124,499 Building $277,051 |
| 2023 | $4,315.00 (+1.53%) | $385,959 Land $119,665 Building $266,294 |
| 2022 | $4,250.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 423 Mainsail Rd in Zone X, an area of minimal flood risk.
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.
The area around 423 Mainsail Rd has no burnable land within ember reach, so its wildfire risk is not rated.
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 | Arviso - Mobile Home Park private · serves 70 people · EPA ID 090605121 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2026 |
| Also Mapped Here | SAN DIEGO COUNTY WATER AUTHORITY, CITY OF OCEANSIDE |
| Lead | Below detection (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Coliform assessment Dec 2019 |
| Monitoring and Reporting | 26 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 451 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 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures