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Properties like this don't come to market often "” and when they do, they don't stay. Commanding over a full acre on the coveted slopes of Mt. Helix, 10880 Hess Drive is a rare estate-caliber offering that combines the privacy and scale of country living with the convenience of one of San Diego's most prestigious addresses. What sets this property apart before you even step inside: three separate additional structures "” a private guest house, maid's quarters, and a multi-person home office "” none of which are included in the listed square footage. These aren't theoretical possibilities or future conversion projects. They are established, fully functioning spaces that have been in active use for over 25 years. The infrastructure, the utility, and the livability are already proven. For buyers seeking multi-generational living, dedicated workspace, or private accommodations for extended family or staff, this level of turnkey flexibility is exceptionally rare at any price point in the Mt. Helix corridor. The main residence delivers 3,461 square feet across 4 generously sized bedrooms and 4 full bathrooms "” built for the way today's buyers actually live: spaciously, flexibly, and with room for everyone. Whether you're a growing family seeking room to spread out, a multi-generational household needing independent living zones, or a move-up buyer who has simply outgrown what the market typically offers, this home delivers on every level. Step outside and the scale of the opportunity becomes immediately clear. The expansive 1.16-acre lot provides a level of privacy, breathing room, and usable space that is simply unavailable elsewhere in this corridor. A sparkling pool anchors the outdoor living experience "” the kind of backyard that makes every weekend feel like a resort stay. The 3-car garage offers abundant storage and parking for every vehicle, hobby, and adventure. Mt. Helix is one of San Diego County's most storied and sought-after communities "” known for its iconic hilltop cross, sweeping panoramic views, mature tree canopy, and an enduring sense of place that newer developments simply cannot replicate. Residents enjoy the serenity of hillside living alongside walkable proximity to schools, shopping, and the vibrant La Mesa Village. Fuerte Elementary is just 1.0 mile away, Grossmont High School 1.6 miles, and the I-8 and 94 corridors keep all of San Diego within easy reach. No HOA. No restrictions. Just the freedom to enjoy one of San Diego County's most iconic estate settings entirely on your own terms. Properties of this scope "” over an acre, a pool, a 3-car garage, and three established auxiliary structures not counted in the square footage "” are not being built in this market.
Property Type(s):
Single Family
| Last Updated | 4/16/2026 | Year Built | 1946 |
|---|---|---|---|
| Community | 91941 - La Mesa | Garage Spaces | 3.0 |
| County | San Diego |
Additional Details
| AIR | None |
|---|---|
| AREA | 91941 - La Mesa |
| EXTERIOR | Garden |
| FIREPLACE | Yes |
| GARAGE | Yes |
| HEAT | Forced Air |
| INTERIOR | Entrance Foyer, Walk-In Closet(s) |
| LOT | 1.16 acre(s) |
| LOT DESCRIPTION | Back Yard, Cul-De-Sac, Front Yard, Garden, Landscaped, Level, Secluded |
| LOT DIMENSIONS | 1.16 |
| POOL | Yes |
| POOL DESCRIPTION | Private, In Ground, Salt Water |
| STORIES | 1 |
| VIEW | Yes |
| VIEW DESCRIPTION | Park/Greenbelt, Hills, Mountain(s), Neighborhood |
Location
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Listed with Coldwell Banker Realty
The information being provided by Conejo Simi Moorpark Association of REALTORS® (“CSMAR”) is for the visitor's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. Any information relating to a property referenced on this web site comes from the Internet Data Exchange (“IDX”) program of CSMAR. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. Any information relating to a property, regardless of source, including but not limited to square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by CSMAR and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited.
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