San Diego County property record for 521 Ave Blanco, San Marcos, CA 92069
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,729 sqft · built 1990 |
| Lot Size | 0.108 acres (4,710 sqft) |
| Owner | Company Name on Record |
| Last Sale | $228,500 (Sep 1989) |
| Tax Bill | $3,219 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 218-432-45-00 |
| Primary APN | 218-432-45-00 |
|---|---|
| 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 | 4,710 sqft (0.108 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 2183910800 |
|---|---|
| Street Address | 521 AVENIDA BLANCO |
| City | SAN MARCOS |
| State | CA |
| Zip | 92069-1367 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SPA |
| Legal Description | LOT 16 TR 012261 |
| Legal Subdivision | SAN MARCOS THE QUORUM |
| Legal Tract | 012261 |
| Legal Block | 1 |
| Legal Lot Number | 16 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 521 AVENIDA BLANCO, SAN MARCOS, CA 92069-1367 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 22, 1989 · Amount on Record |
| Deed Sale | Sep 22, 1989 · Amount on Record |
| Deed Document Number | 1989512968 |
| Last Transfer Date | Nov 25, 1997 |
| Transfer Doc | 0000618255 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN DIEGO CA |
| Property Address | 521 AVENIDA BLANCO, SAN MARCOS, CA 92069-1367 |
| Transaction Type | Mortgage |
| Record Updated | Feb 18, 2021 |
| Title Company | FIDELITY NATIONAL TITLE SAN DIEGO, FIDELITY NATL TTL SAN DIEGO |
| Name | Verified Name |
|---|---|
| Address | 521 AVENIDA BLANCO, SAN MARCOS, CA 92069-1367 |
| Document Number | 0000098505 |
|---|---|
| Date | Feb 9, 2021 |
| Instrument | 2021-0098505 |
| Name | MISSION FCU |
|---|---|
| Type | Credit Union |
| Address | SAN DIEGO, CA 92191 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 301 Months |
| Due | Feb 28, 2046 |
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 | $258,753 (+2%) Land $84,832 Building $173,921 | |
| 2025 | $3,219.00 (+7.05%) Homeowner's exemption | $253,680 (+4.04%) Land $83,169 Building $170,511 |
| 2023 | $3,007.00 (+1.38%) Homeowner's exemption | $243,832 Land $79,941 Building $163,891 |
| 2022 | $2,966.00 |
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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