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3123 Roadrunner Rd, San Marcos, CA 92078 Property Records

San Diego County property record for 3123 Roadrunner Rd, San Marcos, CA 92078

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,740 sqft · built 1977
Lot Size0.5 acres (21,780 sqft)
Owner2 Individual Names on Record
Last Sale$600,000 (Feb 2023)
Tax Bill$6,851 (2025)
Deeds & MortgagesFeb 2023 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN217-232-17-00

Property Details

APN / Parcel Number

Primary APN217-232-17-00
Alternative APN
  • 2172303700

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,740 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1977
Effective Year BuiltEffective 1977
Architectural StyleContemporary
Exterior MaterialWood Siding
Construction TypeFrame
Roof MaterialComposition Shingle
Lot Area21,780 sqft (0.5 acres)
View / LotGood
Garage TypeCarport
CarportCarport
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating FuelSolar
SewerMunicipal
Water SourceCommercial

Location & Zoning

Old Parcel Number2172303700
Street Address3123 ROADRUNNER RD
CitySAN MARCOS
StateCA
Zip92078-6141
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-1-20
Legal DescriptionBLK 91 LOT 3 POR TR 000806
Legal SubdivisionRANCHO LOS VALLECITOS DE SAN M
Legal Tract000806
Legal Block91
Legal Lot Number3
JurisdictionSAN DIEGO CA
Township / Civil DivisionOCEANSIDE-ESCONDIDO
Census Block Group2
Census Block2002
Census Tract20037

Owner

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 Record2 Individual Names on Record
Mailing Address3123 ROADRUNNER RD, SAN MARCOS, CA 92078-6141
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 21, 2023 · Amount on Record
Deed SaleFeb 21, 2023 · Amount on Record
Prior SaleApr 15, 1987 · Amount on Record
Deed Document Number202343875
Prior Transfer DateFeb 14, 2023
Prior Transfer Doc0000043873
Record UpdatedSep 20, 2026

February 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN DIEGO CA
Recording DateFeb 21, 2023
Property Address3123 ROADRUNNER RD, SAN MARCOS, CA 92078-6141
Document Number0000043875
Map ReferenceMAP 806
Instrument DateJan 27, 2023
Instrument2023-0043875
Transaction TypeTransfer
Record UpdatedMar 2, 2023
Title CompanySTEWART TITLE, STEWART TITLE OF CA INC

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address3123 ROADRUNNER RD, SAN MARCOS, CA 92078-6141

Mortgage

Document Number0000043876
DateFeb 21, 2023
Instrument2023-0043876
Lender
NameAMERICAN PORTFOLIO MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMar 1, 2053

Tax Assessment & Valuation

Source: San Diego County assessment roll, as of July 28, 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$560,205 (+2%) Land $428,774 Building $131,431
2025$6,851.00 (+5.59%) Homeowner's exemption$549,221 (-19.23%) Land $420,367 Building $128,854
2023$6,488.00 (+378.82%)$680,000 Land $530,000 Building $150,000
2022$1,355.00

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire RiskLow
lower than 98% of the US · lower than 98.4% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

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 SystemVISTA IRRIGATION DISTRICT
serves 134,501 people · EPA ID CA3710027
Water SourceSurface water
Last State InspectionNov 2023
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 259 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Cox Communications
Cable		2,000 / 100
San Diego Broadband
Fixed Wireless		500 / 100
AT&T
DSL · Fixed Wireless in parts of the area		100 / 20

May also be available: T-Mobile, Verizon.

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