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3844 Grandon Ave, San Marcos, CA 92078 Property Records

San Diego County property record for 3844 Grandon Ave, San Marcos, CA 92078

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,146 sqft · built 1973
Lot Size0.138 acres (6,000 sqft)
Owner2 Individual Names on Record
Last Sale$460,000 (Jun 2006)
Tax Bill$7,137 (2025)
Deeds & MortgagesNov 2021 Mortgage
Nov 2021 Transfer
Flood ZoneZone X (minimal risk)
APN219-450-28-00

Property Details

APN / Parcel Number

Primary APN219-450-28-00

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Stories1 Story
Building Area1,146 sqft Living Area

Exterior

Year BuiltBuilt 1973
Effective Year BuiltEffective 1973
Architectural StyleContemporary
Exterior MaterialStucco
Roof MaterialComposition Shingle
Lot Area6,000 sqft (0.138 acres)
Garage TypeCarport
CarportCarport
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address3844 GRANDON AVE
CitySAN MARCOS
StateCA
Zip92078-3634
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-1-7.5
Legal DescriptionLOT 71 TR 007300
Legal SubdivisionGRANDON ESTATES
Legal Tract007300
Legal Block2
Legal Lot Number71
JurisdictionSAN DIEGO CA
Township / Civil DivisionOCEANSIDE-ESCONDIDO
Census Block Group2
Census Block2009
Census Tract20019

Owner

Source: San Diego County records, as of July 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address3844 GRANDON AVE, SAN MARCOS, CA 92078-3634
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Nov 4, 2021Grant Deed, Transfer · Conventional Mortgage
US BANK NA
Nov 4, 2021Intrafamily Transfer, Transfer
NETCO TITLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 26, 2006 · Amount on Record
Deed SaleJun 26, 2006 · Amount on Record
Prior SaleOct 27, 1987 · Amount on Record
Deed Document Number2006449545
Last Transfer DateOct 22, 2021
Transfer Doc0000768333
Record UpdatedSep 20, 2026

November 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN DIEGO CA
Recording DateNov 4, 2021
Property Address3844 GRANDON AVE, SAN MARCOS, CA 92078-3634
Document Number0000768334
Map ReferenceMAP 7300
Instrument DateOct 26, 2021
Instrument2021-0768334
Transaction TypeTransfer
Record UpdatedNov 15, 2021
Title CompanyNETCO TITLE

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3844 GRANDON AVE, SAN MARCOS, CA 92078-3634

Mortgage

Document Number0000768335
DateNov 4, 2021
Instrument2021-0768335
Lender
NameUS BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueNov 1, 2051

November 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN DIEGO CA
Recording DateNov 4, 2021
Property Address3844 GRANDON AVE, SAN MARCOS, CA 92078-3634
Document Number0000768333
Map ReferenceMAP 7300
Instrument DateOct 22, 2021
Instrument2021-0768333
Transaction TypeTransfer
Record UpdatedNov 15, 2021
Title CompanyNETCO TITLE

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address3844 GRANDON AVE, SAN MARCOS, CA 92078-3634

Tax Assessment & Valuation

Source: San Diego County assessment roll, as of July 21, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Diego County
MunicipalitySan Marcos City
Unified School DistrictSan Marcos Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$641,145 (+2%) Land $522,674 Building $118,471
2025$7,137.00 (+7.6%) Homeowner's exemption$628,575 (+4.04%) Land $512,426 Building $116,149
2023$6,633.00 (+0.2%) Homeowner's exemption$604,169 Land $492,529 Building $111,640
2022$6,620.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 3, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims1 (1982)
Most Recent ClaimMar 1982 · rainfall accumulation

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemVALLECITOS WD
serves 114,700 people · EPA ID CA3710002
Water SourcePurchased surface water from several systems
Last State InspectionMar 2022
LeadUnder 1 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 795 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Cox Communications
Cable		2,000 / 100
Starlink
Satellite		280 / 30

May also be available: AT&T, San Diego Broadband, Spectrum, T-Mobile, Verizon.

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