San Diego County property record for 531 Ave Blanco, San Marcos, CA 92069
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,729 sqft · built 1990 |
| Lot Size | 0.107 acres (4,653 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $345,000 (Jul 2009) |
| Tax Bill | $5,408 (2025) |
| Deeds & Mortgages | Nov 2025 Transfer Nov 2025 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 218-432-50-00 |
| Primary APN | 218-432-50-00 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,729 sqft Living Area |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 4,653 sqft (0.107 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 2183911300 |
|---|---|
| Street Address | 531 AVENIDA BLANCO |
| City | SAN MARCOS |
| State | CA |
| Zip | 92069-1369 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SPA |
| Legal Description | LOT 21 TR 012261 |
| Legal Subdivision | SAN MARCOS THE QUORUM |
| Legal Tract | 012261 |
| Legal Block | 1 |
| Legal Lot Number | 21 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | OCEANSIDE-ESCONDIDO |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 20039 |
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 | 6490 SEAPORT PL, CARLSBAD, CA 92011-4039 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Nov 24, 2025 | Intrafamily Transfer, Transfer |
| Nov 24, 2025 | Intrafamily Transfer, Transfer |
| Jan 15, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ONY GLO INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 31, 2009 · Amount on Record |
| Deed Sale | Jul 31, 2009 · Amount on Record |
| Prior Sale | Jul 13, 2001 · Amount on Record |
| Deed Document Number | 2009427616 |
| Prior Transfer Date | Jul 20, 2009 |
| Prior Transfer Doc | 0000427617 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | Nov 24, 2025 |
| Property Address | 531 AVENIDA BLANCO, SAN MARCOS, CA 92069-1369 |
| Document Number | 0000332237 |
| Map Reference | MAP 12261 |
| Instrument Date | Nov 7, 2025 |
| Instrument | 2025-0332237 |
| Transaction Type | Transfer |
| Record Updated | Dec 10, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 6490 SEAPORT PL, CARLSBAD, CA 92011-4039 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Recording Date | Nov 24, 2025 |
| Property Address | 531 AVENIDA BLANCO, SAN MARCOS, CA 92069-1369 |
| Document Number | 0000332238 |
| Map Reference | MAP 12261 |
| Instrument Date | Nov 7, 2025 |
| Instrument | 2025-0332238 |
| Transaction Type | Transfer |
| Record Updated | Dec 10, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 6490 SEAPORT PL, CARLSBAD, CA 92011-4039 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Property Address | 531 AVENIDA BLANCO, SAN MARCOS, CA 92069-1369 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | SYNRGO |
| Name | Verified Name |
|---|---|
| Address | 6490 SEAPORT PL, CARLSBAD, CA 92011-4039 |
| Document Number | 0000034593 |
|---|---|
| Date | Jan 15, 2021 |
| Instrument | 2021-0034593 |
| Name | ONY GLO INC |
|---|---|
| Type | Mortgage Company |
| Address | SANTA ANA, CA 92707 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Feb 1, 2041 |
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 | $454,225 (+2%) Land $229,923 Building $224,302 | |
| 2025 | $5,408.00 (+7.24%) Homeowner's exemption | $445,319 (+4.04%) Land $225,415 Building $219,904 |
| 2023 | $5,043.00 (+1.37%) Homeowner's exemption | $428,029 Land $216,663 Building $211,366 |
| 2022 | $4,975.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% 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 | VALLECITOS WD serves 114,700 people · EPA ID CA3710002 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Mar 2022 |
| Lead | Under 1 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 577 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable | 2,000 / 100 |
| San Diego Broadband Fixed Wireless | 500 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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