540 Ave Blanco, San Marcos, CA 92069 Property Records

San Diego County property record for 540 Ave Blanco, San Marcos, CA 92069

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,390 sqft · built 1990
Lot Size	0.195 acres (8,490 sqft)
Owner	2 Company Names on File
Last Sale	$337,000 (Jul 2008)
Tax Bill	$5,278 (2025)
Deeds & Mortgages	Jun 2026 Sale
Flood Zone	Zone X (minimal risk)
APN	`218-431-41-00`

Property Details

APN / Parcel Number

Primary APN	`218-431-41-00`
Alternative APN	`2183913300`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,390 sqft Living Area

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Lot Area	8,490 sqft (0.195 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Old Parcel Number	2183913300
Street Address	540 AVENIDA BLANCO
City	SAN MARCOS
State	CA
Zip	92069-1370
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SPA
Legal Description	LOT 41 TR 012261
Legal Subdivision	SAN MARCOS THE QUORUM
Legal Tract	012261
Legal Block	1
Legal Lot Number	41
Jurisdiction	SAN DIEGO CA
Township / Civil Division	OCEANSIDE-ESCONDIDO
Census Block Group	1
Census Block	1011
Census Tract	20039

Owner

Source: San Diego County records · APN 218-431-41-00

Assessment roll updated July 21, 2026 · Last verified July 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 File
Mailing Address	540 AVENIDA BLANCO, SAN MARCOS, CA 92069-1370
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 25, 2008 · Amount on Record
Deed Sale	Jul 25, 2008 · Amount on Record
Prior Sale	Jun 11, 2008 · Amount on Record
Deed Document Number	2008398596
Last Transfer Date	Jun 11, 2026
Transfer Doc	0000176226
Record Updated	Sep 20, 2026

June 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN DIEGO CA
Recording Date	Jun 18, 2026
Property Address	540 AVENIDA BLANCO, SAN MARCOS, CA 92069-1370
Document Number	0000176226
Instrument Date	Jun 11, 2026
Instrument	2026176226
Transaction Type	Transfer
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	540 AVENIDA BLANCO, SAN MARCOS, CA 92069-1370

Tax Assessment & Valuation

Source: San Diego County records · Assessment roll updated July 21, 2026 · Last verified July 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2026		$442,635 (+2%) Land $249,558 Building $193,077
2025	$5,278.00 (+7.21%) Homeowner's exemption	$433,957 (+4.04%) Land $244,665 Building $189,292
2023	$4,923.00 (+1.38%) Homeowner's exemption	$417,108 Land $235,165 Building $181,943
2022	$4,856.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 3, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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 USA Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

Based on FCC filings for 577 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	VALLECITOS WD serves 114,700 people
Water Source	Purchased surface water from several systems
Last State Inspection	Mar 2022
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.