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    San Diego County, CA Quadplexes for Sale

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    Four-Unit Property with Expansion Potential
    Updated: May 19
    Four-Unit Property with Expansion Potential

    5 C St, San Diego, CA 92102

    $1,295,000
    3,118 sqft 0.13 AC lot
    Plans for two additional 2‑bedroom ADUs, increasing unit count and potential income.
    Four existing units provide immediate rental income.
    Located on a corner lot with alley access.
    5+ parking spaces after ADU construction.
    City views from parts of the property.
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    This listing looks promising.

    Here's a quick look at some key insights for

    5 C St, San Diego, CA 92102

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    • Est. Cap Rate

      4.3%
      NOI ÷ price

    • Est. NOI

      $56K
      Annual

    • Price @ 7% Cap

      $798K
      Suggested

    • Property Type

      Condominium
      Built 2022
    View Property Analytics
    New Four-Unit Residential Income Property
    Updated: Jun 26
    New Four-Unit Residential Income Property

    490 Lado De Loma Dr #1-4, Vista, CA 92083

    $2,599,000
    5,890 sqft 0.21 AC lot
    Brand‑new 2025‑built, under‑construction 4‑unit property with two modern buildings
    Unit mix: (2) 4BR + bonus room / 3.5BA and (2) 2BR + bonus room / 2BA residences
    Approx. $170,160 annual gross income with additional upside potential noted in remarks
    Permitted bonus rooms: two separately vacant and accessed, ~216 SF each (buyer to verify use)
    Each unit includes A/C, in‑unit laundry, private patios/balconies, 10' ceilings, and luxury vinyl plank flooring
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    Upgraded 4-Unit Detached Quadplex
    Upgraded 4-Unit Detached Quadplex

    4847-53 Mansfield Street, San Diego, CA 92116

    $1,895,000
    2,900 sqft 0.14 AC lot

    Four individually metered, detached residences with dedicated off-street parking and recent major improvements.

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    Remodeled Multi-Unit Property Near Downtown
    Remodeled Multi-Unit Property Near Downtown

    764-766 N Grape St, Escondido, CA 92025

    $1,395,000
    2,042 sqft 0.17 AC lot

    Turnkey Escondido multi-unit property with upscale finishes and system upgrades.

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    Four-Unit Multifamily Property
    Four-Unit Multifamily Property

    8573-79 Glenhaven St, San Diego, CA 92123

    $2,195,000
    4,520 sqft

    Well-maintained quadplex featuring four 3-bedroom, 2-bath units with carport parking, patios, and onsite laundry.

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    R3-Zoned Residential Quadplex
    R3-Zoned Residential Quadplex

    630 N Juniper Street, Escondido, CA 92025

    $2,249,000
    3,784 sqft 0.23 AC lot

    R3-zoned quadplex in Escondido, offered for residential income ownership on a compact lot.

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    Multifamily Property with Detached Residence
    Multifamily Property with Detached Residence

    3023-3029 Jarvis St, San Diego, CA 92106

    $2,250,000
    3,050 sqft 0.12 AC lot

    Front detached single-family residence plus three rear units, with attached garage, laundry facilities, and storage.

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    Two Quadplex Redevelopment Opportunity
    Two Quadplex Redevelopment Opportunity

    1173-1179 Felspar St., San Diego, CA 92109

    $2,750,000
    3,212 sqft

    Two four-unit residential complexes offered together, featuring attached garages and shared laundry for redevelopment-focused ownership.

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    Corner Four-Unit Residential Income Property
    Corner Four-Unit Residential Income Property

    267 Alestar, Vista, CA 92084

    $1,500,000
    4,260 sqft

    Four spacious units on a corner lot, each with a carport and private storage, plus on-site laundry facilities.

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    Golden Hill Multifamily Investment Property
    Golden Hill Multifamily Investment Property

    3042-48 Broadway, San Diego, CA 92102

    $1,950,000
    3,464 sqft 0.16 AC lot

    Four-unit multifamily property in San Diego's Golden Hill neighborhood.

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    Four-Unit Residential Income Property
    Four-Unit Residential Income Property

    3935-41 Madison Ave, San Diego, CA 92116

    $1,250,000
    0.06 AC lot

    Well-maintained four-unit quadplex with a diversified mix of one-bed and studio homes plus in-unit laundry hookups.

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    Turn-Key SDSU Rental Property
    Turn-Key SDSU Rental Property

    13 Richard St, San Diego, CA 92115

    $2,995,000
    4,410 sqft

    Four-unit property near SDSU, generating $20,200/month starting August 2026.

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    Multifamily Property with Existing Structure
    Multifamily Property with Existing Structure

    111 W Park, San Ysidro, CA 92173

    $1,800,000
    0.17 AC lot

    Multifamily residential income property on a small lot with an existing structure, positioned near daily amenities.

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    Mixed-Use Quadplex with Billboard
    Mixed-Use Quadplex with Billboard

    2174 Logan Ave, San Diego, CA 92113

    $1,799,000
    0.10 AC lot

    Historic quadplex built in 1888 with a 3-bedroom downstairs unit and three upstairs studio spaces.

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    Mixed-Use Retail and Residential Property
    Mixed-Use Retail and Residential Property

    1051-65 Rosecrans St, San Diego, CA 92106

    $5,000,000
    7,600 sqft

    Four retail suites and four residential units in a stabilized setup with strong corridor visibility and accessibility.

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    Modern Quadplex Residential Income
    Modern Quadplex Residential Income

    630 N Juniper Street, Escondido, CA 92025

    $2,249,000
    0.23 AC lot

    A modern quadplex-style residential income property offering multiple units under R3 zoning in Escondido.

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    New Multifamily Compound in San Diego
    New Multifamily Compound in San Diego

    4324-4330 Felton St, San Diego, CA 92104

    $2,395,000
    3,106 sqft 0.14 AC lot

    Newly constructed four-unit multifamily property near North Park.

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    Residential Income Quadplex
    Residential Income Quadplex

    332 S El Camino Real, Oceanside, CA 92058

    $1,649,000
    0.25 AC lot

    For sale quadplex positioned as a straightforward residential income opportunity in Oceanside, CA.

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    San Diego Multifamily Investment Opportunity
    San Diego Multifamily Investment Opportunity

    4165 Epsilon Street, San Diego, CA 92113

    $1,349,000
    3,136 sqft

    Gated 4-unit property with stable income and upside potential.

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    Duplex with 4-Unit Conversion Plans
    Duplex with 4-Unit Conversion Plans

    3543 Myrtle Ave, San Diego, CA 92104

    $1,555,000

    Existing duplex configuration with private yards, plus included engineering, structural, and landscaping plans to create four units.

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    Turn-Key SDSU Student Rental Property
    Turn-Key SDSU Student Rental Property

    6407 Richard St, San Diego, CA 92115

    $2,995,000
    4,410 sqft

    Four-unit property near SDSU, generating high rental income.

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    Quadplex with R-3 Zoning
    Quadplex with R-3 Zoning

    5526 Shasta Lane, La Mesa, CA 91942

    $1,199,000
    0.21 AC lot

    Quadplex for sale in La Mesa, CA, zoned R-3 and positioned for residential income use.

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    Four-Unit Multifamily Property with Garages
    Four-Unit Multifamily Property with Garages

    1057-1063 Grand Ave, San Diego, CA 92109

    $2,395,000
    3,300 sqft

    Quadplex offers four 2-bedroom units with private patios and attached garages on a single lot near the ocean.

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    Spanish Quadplex
    Spanish Quadplex

    4496 47th, San Diego, CA 92115

    Contact for pricing
    819 sqft 0.14 AC lot

    For sale quadplex property in San Diego, offering residential income housing with a Spanish character.

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    San Diego County, CA Quadplexes Market Trends and Statistics

    Explore 89 quadplexes for sale in San Diego County, CA, showcased through 89 active listings on our real estate platform. These investment opportunities span a total of 118,623 square feet of properties for sale, with an estimated market value of $76,545,500.

    Sale prices for four-unit buildings in San Diego County, CA start at $1,295,000, averaging $2,251,338, and reaching up to $5,000,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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