San Diego County property record for 3510 de Leone Rd, San Marcos, CA 92069
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 827 sqft · built 1972 |
| Lot Size | 0.101 acres (4,400 sqft) |
| Owner | Individual Name on File |
| Last Sale | $618,500 (May 2026) |
| Tax Bill | $1,869 (2025) |
| Deeds & Mortgages | May 2026 Sale & Mortgage Jan 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 219-430-13-01 |
| Primary APN | 219-430-13-01 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 827 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 4,400 sqft (0.101 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 1 Parking Space |
| Street Address | 3510 DE LEONE RD |
|---|---|
| City | SAN MARCOS |
| State | CA |
| Zip | 92069-1210 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-2 |
| Legal Description | LOT 82 UND 1/2 INT WI EXCLUSIVE USE OF NLY POR OF TR 006921 |
| Legal Subdivision | SAN MARCOS MANOR |
| Legal Tract | 006921 |
| Legal Block | 2 |
| Legal Lot Number | 82 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | OCEANSIDE-ESCONDIDO |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 20036 |
3510 de Leone Rd is owned and occupied by an individual who bought it in May 2026.
Source: San Diego County records, as of July 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3510 DE LEONE RD, SAN MARCOS, CA 92069-1210 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 |
|---|---|
| May 19, 2026 | Grant Deed, Transfer · FHA Mortgage ROCKET MORTGAGE LLC |
| Jan 21, 2026 | Grant Deed, Transfer USA NATIONAL TITLE COMPANY, USA NATIONAL TITLE CO INC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 19, 2026 · Amount on File |
| Deed Sale | May 19, 2026 · Amount on File |
| Prior Sale | Jan 21, 2026 · Amount on File |
| Deed Document Number | 2026143027 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | May 19, 2026 |
| Property Address | 3510 DE LEONE RD, SAN MARCOS, CA 92069-1210 |
| Document Number | 0000143027 |
| Instrument Date | Apr 28, 2026 |
| Instrument | 2026.143027 |
| Transaction Type | Transfer |
| Record Updated | May 28, 2026 |
| Title Company | OS NATIONAL TITLE, USA NATIONAL TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $68,715.35 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3510 DE LEONE RD, SAN MARCOS, CA 92069-1210 |
| Investor | Possibly a Property Investor |
| Document Number | 0000143028, |
|---|---|
| Date | May 19, 2026 |
| Instrument | 2026..143028 |
| Name | ROCKET MORTGAGE LLC |
|---|
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 1, 2056 |
| Rate | 6.46% |
|---|---|
| Max Rate | -1% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | Jan 21, 2026 |
| Property Address | 3510 DE LEONE RD, SAN MARCOS, CA 92069-1210 |
| Document Number | 0000017936 |
| Map Reference | MAP 6921 |
| Instrument Date | Dec 31, 2025 |
| Instrument | 2026-0017936 |
| Transaction Type | Transfer |
| Record Updated | Jan 29, 2026 |
| Title Company | USA NATIONAL TITLE COMPANY, USA NATIONAL TITLE CO INC |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
The 2025 property tax bill for 3510 de Leone Rd was $1,869, up 3.8% from the year before.
Source: San Diego County assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Diego County |
| Municipality | San Marcos City |
| Unified School District | San Marcos Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $603,432 (+433.66%) Land $514,998 Building $88,434 | |
| 2025 | $1,869.00 (+3.78%) Homeowner's exemption | $113,075 Land $49,065 Building $64,010 |
| 2024 | $1,801.00 (+1.35%) | |
| 2023 | $1,777.00 (+0.97%) Homeowner's exemption | $108,685 Land $47,160 Building $61,525 |
| 2022 | $1,760.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 3510 de Leone 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 |
| 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 risk around 3510 de Leone Rd is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | VISTA IRRIGATION DISTRICT serves 134,501 people · EPA ID CA3710027 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2023 |
| Lead | Under 1 ppb (2022–2024) 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 540 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable · Fiber in parts of the area | 2,000 / 100 |
| San Diego Broadband Fixed Wireless | 500 / 100 |
May also be available: AT&T, T-Mobile, Verizon.
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