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East County San Diego County Homes
East County is the part of San Diego County east of the City of San Diego, including the cities of La Mesa, El Cajon, Santee and Lemon Grove and unincorporated communities such as Lakeside, Spring Valley, Mount Helix, Alpine and Jamul.
Cities, Communities and ZIP Codes
| City or community | ZIP codes |
|---|---|
| La Mesa | 91941, 91942 |
| El Cajon | 92019, 92020, 92021 |
| Santee | 92071 |
| Lemon Grove | 91945 |
| Lakeside | 92040 |
| Spring Valley | 91977, 91978 |
| Alpine | 91901 |
| Jamul | 91935 |
Working definition grouped by city and ZIP code. Not an official MLS area or government boundary; some ZIP codes cross community lines.
Homes in East County
Housing is mostly single-family, from mid-century tracts to hillside custom homes and rural properties with acreage, along with townhomes and condominiums.
Guides coming soon: Mount Helix.
55+ Communities in San Diego County — age-qualified homes for sale across the county, including this region.
Frequently Asked Questions
What cities are in East County San Diego County?
On these pages, East County includes La Mesa; El Cajon; Santee; Lemon Grove; Lakeside; Spring Valley; Alpine; Jamul. This is a working guide, not an official MLS or government boundary.
What ZIP codes are in East County?
This guide groups these ZIP codes in East County: 91901, 91935, 91941, 91942, 91945, 91977, 91978, 92019, 92020, 92021, 92040, 92071. Some ZIP codes cross community lines.
What kinds of homes are in East County?
Housing is mostly single-family, from mid-century tracts to hillside custom homes and rural properties with acreage, along with townhomes and condominiums.
Can I see East County homes for sale here?
Yes. The live MLS gallery on this page shows homes for sale in this region. For help with a specific home, call or text 805-953-6800.
Talk to the Broker
G. Robert Arnold, Broker
Premier Advantage Real Estate
CA DRE 00569840
Call or Text 805-953-6800
[email protected]
Call or Text 805-953-6800Get Your Complimentary Home Value
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Sources:
Information reviewed November 9, 2026. Boundaries, HOA details and school assignments change; verify with the HOA, the city or county and the school district before relying on them. Listings shown above are provided by Web4Realty from the MLS feed and change frequently; confirm availability and details before relying on them.