503 Rosemont St, La Jolla, CA 92037 Property Records

San Diego County property record for 503 Rosemont St, La Jolla, CA 92037

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 982 sqft · built 1940
Lot Size0.76 acres (3,298 sqft)
Owner2 Individual Names on File
Last Sale$2,475,000 (Mar 2026)
Tax Bill$23,706 (2025)
Deeds & MortgagesMar 2026 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN351-493-08-00

Property Details

APN / Parcel Number

Primary APN351-493-08-00
Alternative APN
  • 3515020100

Interior

Bedrooms2 Beds
Full Baths1 Bath
Stories1 Story
Building Area982 sqft Living Area

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1940
Lot Area3,298 sqft (0.76 acres)
Garage TypeCarport
CarportCarport
Parking Spaces1 Parking Space

Location & Zoning

Old Parcel Number3515020100
Street Address503 ROSEMONT ST
CityLA JOLLA
StateCA
Zip92037-6146
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRM-1-1
Legal DescriptionLOT 17 POR TR 001808
Legal SubdivisionHYMANS ADD
Legal Tract001808
Legal Block5
Legal Lot Number17
JurisdictionSAN DIEGO CA
Township / Civil DivisionSAN DIEGO
Census Block Group5
Census Block5017
Census Tract8101

Owner

503 Rosemont St is owned by two individuals who bought it in March 2026.

Source: San Diego County records, as of July 28, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on File
Mailing Address1732 CROOKED TRAIL PL, WESTLAKE VILLAGE, CA 91362-5408
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 10, 2026 · Amount on File
Deed SaleMar 10, 2026 · Amount on File
Prior SaleJul 3, 2024 · Amount on File
Deed Document Number202665644
Prior Transfer DateDec 16, 2024
Prior Transfer Doc0000347290
Record UpdatedOct 29, 2026

March 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN DIEGO CA
Recording DateMar 10, 2026
Property Address503 ROSEMONT ST, LA JOLLA, CA 92037-6146
Document Number0000065644
Map ReferenceMAP 1808
Instrument DateFeb 12, 2026
Instrument2026-0065644
Transaction TypeTransfer
Record UpdatedMar 18, 2026
Title CompanyFIDELITY NATIONAL TITLE SAN DIEGO, FIDELITY NATL TTL SAN DIEGO

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address1732 CROOKED TRAIL PL, WESTLAKE VILLAGE, CA 91362-5408

Mortgage

Document Number0000065645
DateMar 10, 2026
Instrument2026-0065645
Lender
NameBANK OF AMERICA NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueApr 1, 2056

Tax Assessment & Valuation

The 2025 property tax bill for 503 Rosemont St was $23,706, up 2,063% from the year before.

Source: San Diego County assessment roll, as of July 28, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,887,000 (+2%) Land $1,734,000 Building $153,000
2025$23,706.00 (+2,062.96%)$1,850,000 Land $1,700,000 Building $150,000
2024$1,096.00 (+2.24%)
2023$1,072.00 (+2.78%)$84,763 Land $58,814 Building $25,949
2022$1,043.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 503 Rosemont St in Zone X, an area of minimal flood risk.

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
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies5 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.

Wildfire

Wildfire risk around 503 Rosemont St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 SystemCITY OF SAN DIEGO
serves 1,408,937 people · EPA ID CA3710020
Water SourceSurface water
Last State InspectionMar 2024
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 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 709 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL in parts of the area
5,000 / 5,000
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

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