1173 Sumner Ave, El Cajon, CA 92021 Property Records

San Diego County property record for 1173 Sumner Ave, El Cajon, CA 92021

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,619 sqft · built 1945
Lot Size0.5 acres (21,780 sqft)
OwnerTrust Name on File
Last Sale$144,000 (Oct 1997)
Tax Bill$2,248 (2025)
Flood ZoneZone X (minimal risk)
APN484-183-20-00

Property Details

APN / Parcel Number

Primary APN484-183-20-00
Alternative APN
  • 4841811600

Interior

Bedrooms3 Beds
Full Baths2 Baths
Building Area1,619 sqft Living Area

Exterior

Year BuiltBuilt 1945
Effective Year BuiltEffective 1945
Lot Area21,780 sqft (0.5 acres)
Garage TypeCarport
CarportCarport
Parking Spaces4 Parking Spaces

Location & Zoning

Old Parcel Number4841811600
Street Address1173 SUMNER AVE
CityEL CAJON
StateCA
Zip92021-4801
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRV
Legal DescriptionBLK 17 LOT 18 W 1/2 TR 001856
Legal SubdivisionBOSTONIA ACRES
Legal Tract001856
Legal Block17
Legal Lot Number18
JurisdictionSAN DIEGO CA
Township / Civil DivisionSAN DIEGO
Census Block Group2
Census Block2010
Census Tract16502

Owner

1173 Sumner Ave is held in a trust since October 1997.

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

Owner of RecordTrust Name on File
Mailing Address4406 DAMON LN, EL CAJON, CA 92020-8308
Owner TypeCompany
VestingTrust, Revocable Trust

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 22, 1997 · Amount on File
Deed SaleOct 22, 1997 · Amount on File
Deed Document Number1997529266
Prior Transfer DateJun 2, 1995
Prior Transfer Doc0000259657
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 1173 Sumner Ave was $2,248.

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

Property Jurisdictions

TypeName
StateCalifornia
CountySan Diego County
Elementary School DistrictCajon Valley Union Elementary School District (KG - 08)
Secondary School DistrictGrossmont Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$77,468 (+2%) Land $37,722 Building $39,746
2025$2,248.00$75,950 Land $36,983 Building $38,967
2023$2,064.00 (+3.61%)$73,002 Land $35,548 Building $37,454
2022$1,992.00

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

Flood

FEMA maps place 1173 Sumner Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies3 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

The area around 1173 Sumner Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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 SystemHELIX WATER DISTRICT
serves 277,918 people · EPA ID CA3710010
Water SourceSurface water
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 650 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, GeoLinks, T-Mobile, Verizon, Wyyerd Connect.

Nearby Properties on Sumner Ave

Nearby Streets

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