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Exceptional investment opportunity in Eastside Costa Mesa. 135 Del Mar is a fully occupied duplex situated on an expansive and well-shaped 10,454 square foot lot, offering immediate income with significant upside potential. Whether you're an investor looking to strengthen your portfolio or a developer seeking your next project, this property delivers flexibility, scale, and long-term value. The existing duplex provides stable, in-place rental income while you explore a range of possibilities. The oversized lot configuration presents excellent ADU potential, allowing you to increase cash flow and maximize returns. With generous dimensions and favorable layout, the site may also offer compelling development opportunities (buyer to verify with the city), making it ideal for those looking to build additional units or reimagine the property entirely. Located in a highly desirable area close to beaches, shopping, dining, and major freeways, this property benefits from strong rental demand and long-term appreciation fundamentals. Large parcels like this are increasingly rare"”especially with an income-producing structure already in place. Collect rent today. Add value tomorrow. Unlock the full potential of this prime Eastside Costa Mesa property.
Property Type(s):
Residential Income
| Last Updated | 2/23/2026 | Tract | None |
|---|---|---|---|
| Year Built | 1951 | Community | C5 - East Costa Mesa |
| Garage Spaces | 2.0 | County | Orange |
Additional Details
| AREA | C5 - East Costa Mesa |
|---|---|
| GARAGE | Yes |
| LOT | 10454 sq ft |
| LOT DIMENSIONS | 10454 |
| POOL DESCRIPTION | None |
| SEWER | Public Sewer |
| STORIES | 1 |
| SUBDIVISION | None |
| WATER | Public |
Location
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Listed with Hoyt Real Estate, Inc.
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.
This IDX solution is (c) Diverse Solutions 2026.
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