
Garden Grove, California 92840
Analysis of 11602 Lampson, Garden Grove, California 92840 is currently available with a list price of $2,399,000. The property maintains a Fair Condition Rating (50/100), suggesting the property is in acceptable condition with potential for value enhancement through selective updates and improvements. Located in a high-demand neighborhood within the Garden Grove Unified School District, this asset is categorized as a low-risk, high-reward acquisition suitable for both Buy-and-Hold Investors and Owner-Occupants willing to undertake light renovation work.
Property is moderate renovation needed.
The property is a complex mix of a brand-new, excellent-condition ADU and a massive 1963 main residence. While the new ADU and solar systems are high-value, the primary 7,147 sq. ft. structure is over 60 years old and exhibits dated exterior aesthetics and utilitarian patio conversions that likely require significant interior modernization to move beyond a 'fair' rating.
The property is a proven income generator, producing $10,180 in total monthly rent from the main residence and a brand-new, fully permitted 3-bedroom detached ADU.
With a massive 25,400 sq. ft. lot, the estate features a 4-car garage/workshop, a 700 sq. ft. carport, and full RV hookups, offering unrivaled space for collectors or business owners.
Both the main home and the ADU are equipped with fully paid-off solar systems, significantly reducing utility overhead and maximizing net investment returns.
Lot size discrepancy between mls listing and other public or private record. mls listing lot size in square feet =25120, other record lot size in square feet = 25459. Living area discrepancy between mls listing and other public or private record. mls listing living area = 7147, other record living area = 3207. Bedroom count discrepancy between mls listing and other public or private record. mls listing bedroom count = 7, other record bedroom count = 5.
The expansive 7,147 sq. ft. structure and 1963 build date may require substantial ongoing maintenance and management compared to standard residential properties.
The property's unique multi-unit configuration and high price point for the area may limit the buyer pool to specific investors or large multi-generational families.
Welcome to 11602 Lampson Avenue, a rare and truly one-of-a-kind income-producing compound located in the heart of Orange County, just minutes from Disneyland and world-class beaches. Available for the first time since 1995, this massive estate sits on a secluded, sprawling lot of over a half-acre (25,400 sq. ft.), offering unparalleled privacy, custom upgrades, and a staggering $10,180 in total monthly rental income.Vehicular storage and utility on this property are completely unrivaled. A private gated driveway opens to a robust 700 sq. ft. metal frame carport, 5 covered patio parking spaces, and 4 dedicated open parking spaces—plus full RV hookups. Mechanics, car collectors, or business owners will also leverage the substantial 789 sq. ft. detached 4-car garage/workshop.The main residence spans an expansive 7,147 sq. ft. of living space, wrapping gracefully around a serene, central courtyard oasis that has been freshly filled and leveled for low-maintenance outdoor entertaining. Designed with ultimate versatility, the main home features 7 bedrooms, multiple split-living quarters with private entrances. It is currently leasing for $6,980 per month, proving its immense value as a high-end rental or multi-family footprint.Adding incredible cash-flow value is the brand-new, fully permitted detached ADU, currently leased at $3,200 per month. Built with its own separate city address and a dedicated 1-inch water meter, this modern secondary home offers a highly desirable 3-bedroom, 2-bathroom layout with a spacious living/dining area.Best of all, both the main residence and the ADU feature fully paid-off solar systems, drastically lowering utility costs and maximizing your net profits. Exceptional estates with this level of scale, permitted density, and immediate, top-tier revenue streams rarely hit the market. Whether you want to add a crown jewel to your investment portfolio or live in one unit while letting the other pay your mortgage, this is an opportunity you cannot miss. Schedule your private tour today!
No exterior & parking available.
No sensitive facilities data found.
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 7.0 | 3.6 |
| Baths | 5.0 | 2.0 |
| Square foot | 7,147 | 1,574.458 |
| Lot Size | 25,120 | 7,206.15 |
| Price | $2.40M | $1.09M |
| Price per sq ft | $336 | $723 |
| Built year | 1963 | 1957 |
| HOA | $0 | $227 |
| Days on market | 12 | 43 |
Aug 28, 2026
$2,399,000
Initial Listing
Jan 21, 2021
$1,220,000
Public Record
Jun 23, 1995
$265,000
Public Record