San Diego County Homes with Quadruplex Subtype

Welcome to San Diego County, a vibrant coastal paradise nestled in Southern California that offers a perfect blend of stunning natural beauty, diverse culture, and a thriving economy. Known for its year-round sunny weather, beautiful beaches, and a plethora of outdoor activities, San Diego is not just a destination; it's a lifestyle. Home to world-renowned attractions such as Balboa Park, the San Diego Zoo, and a bustling downtown, residents enjoy a rich tapestry of experiences that cater to every interest.

For those seeking to invest in real estate, the county offers a unique opportunity with quadruplex homes. These multi-family residences are ideal for both seasoned investors and first-time buyers looking to maximize their rental income potential. A quadruplex consists of four separate units, providing an excellent way to diversify your investment portfolio while enjoying the benefits of property ownership. With the demand for rental properties on the rise, owning a quadruplex in San Diego can yield substantial returns, making it a smart financial choice.

Imagine living in one unit while renting out the others, or simply enjoying the steady cash flow that comes from leasing all four units. Each unit can be tailored to suit various tenants, from young professionals to families, ensuring you attract a diverse range of renters. With the backdrop of San Diego's breathtaking landscapes and vibrant community, investing in a quadruplex here not only offers financial benefits but also a chance to be part of a dynamic and welcoming neighborhood. Embrace the opportunity to own a piece of San Diego's real estate market today!

Newest San Diego County Homes with Quadruplex Subtype

$1,590,000

9 Beds ⋅ 6 Baths ⋅ PTP2606787 MLS ⋅ Active Status

Opportunity to own a four-unit multifamily property in El Cajon offering approximately 3,047 square feet of total living space. The property features a versatile mix of floor plans, including one 3-bedroom, 2-bathroom unit, two 2-bedroom, 1-bathroom units, and one 2-bedroom, 2-bathroom unit. Each unit is equipped with its own laundry facilities, providing added convenience for residents. The property also offers driveway parking for up to seven vehicles, providing ample off-street parking for a multifamily property. With four separate residential units, multiple floor plans, individual laundry, and substantial parking, this property presents a potential investment opportunity for an owner looking to add a multifamily asset to their portfolio. A practical multifamily property with multiple income-producing units and convenient amenities, offering investors an opportunity to acquire a four-unit asset in an established El Cajon location.

315 W Cypress Avenue, El Cajon

$1,550,000

NDP2607715 MLS ⋅ Active Status

Known as the Polk Avenue Apartments, this site is a multi-family residential property consisting of two separate low-rise structures set on a single corner lot. The buildings are mid-century style frame-and-stucco construction. The layout functions as a four-unit residential setup configured with a mix of one- and two-bedroom rental units. The property features off-street parking in the form of a garage structure, with additional room for vehicle spaces tucked toward the rear off the street.

4104 Arizona Street, San Diego

$1,150,000

PTP2605735 MLS ⋅ Active Status

lot currently has a habitable house on it. However, the listing is for the land including the engineering and the plans. Plan review is completed by SD County and approved. Ready to pull permits after paying approx. $80K to Helix water, $6,162 Grading permit, $7,878 Demolition permit, and approx. $20K for final building fees. Plans are to build 4 detached units; 3 houses of 4BR/2.5BA, 2,350sf each and 1 ADU of 3BR/2.5BA 1,200 sf. Each house will have a 2-car garage of 500sf. Note that there is a fence at the back and there is a second fence behind it. Property includes both fenced areas.

1470 Marline Avenue, El Cajon

$1,450,000

ND26137762 MLS ⋅ Active Status

267 Alestar St presents an attractive four-unit investment opportunity on a desirable corner lot in the heart of Vista, offering investors a well-maintained, professionally managed asset with significant capital improvements and updates to many of the property’s major systems. The approximately 4,260-square-foot property features an attractive unit mix of (1) Three-bedroom, Two-bath unit, (2) Two-bedroom, Two-bath units, and (1) One-bedroom, One-bath unit. The unusually spacious floor plans provide highly desirable living space for tenants, with each unit offering an assigned carport parking space with private storage, plus an individual patio or balcony. Ownership benefits from numerous completed capital improvements designed to enhance long-term property performance, potentially reducing near-term maintenance requirements. Major systems and building components have been updated, replaced, or completed over time, representing a significant investment in the property’s core infrastructure, including decking, railings, plumbing, and water heaters. A comprehensive full-building re-plumbing and water heater replacement project was completed in July 2026, providing a significant infrastructure upgrade for future ownership. Exterior elements have also been addressed in connection with applicable SB 721 requirements, further enhancing the property's long-term maintenance profile. The property also features low maintenance and water-wise landscape elements, helping support efficient water use while maintaining attractive outdoor areas. Both gas and electric utilities are separately metered, helping minimize operating expenses. An on-site laundry room with professionally managed washer and dryer equipment provides an additional income stream for ownership. Ideally located near Downtown Vista, the property offers residents convenient access to popular restaurants, breweries, the Vista Magnet School, Library, and Civic Center. With its spacious unit mix, separately metered utilities, additional laundry income, desirable corner-lot location, and substantial investment in major building systems and capital improvements, 267 Alestar St represents a compelling opportunity to acquire a well-maintained multifamily asset in Vista. PLEASE DO NOT WALK THE PROPERTY OR DISTURB TENANTS.

267 Alestar, Vista

$1,050,000

NDP2605888 MLS ⋅ Active Status

We're pleased to present East 9th Street Apartments, a 4-unit multifamily investment opportunity located at 1313-1319 E 9th Street in National City, California. The property consists of four one-bedroom/one-bath units totaling approximately 1,600 square feet and is situated on an approximately 10,771 square foot lot. Built in 1962, the asset offers investors stable in-place income, strong rental demand, and future upside in one of San Diego County's most active multifamily submarkets. The property benefits from separate gas and electric metering, reducing operating expenses and improving management efficiency. Residents enjoy the convenience of 5+ on-site parking spaces, while ownership currently provides water and trash service. The property's straightforward unit mix, efficient layout, and large land component create an attractive investment opportunity with both operational stability and long-term appreciation potential. Ideally located in the heart of National City, the property is within walking distance of Plaza Boulevard, offering tenants convenient access to grocery stores, restaurants, coffee shops, banking services, and daily necessities. The asset is strategically positioned near Interstate 5, Interstate 805, State Route 54, Downtown San Diego, Naval Base San Diego, and the National City waterfront, providing excellent connectivity to major employment centers throughout the region. National City continues to attract investors and residents alike due to its affordability relative to the broader San Diego market, ongoing redevelopment initiatives, and strong workforce housing demand. With approximately 14% projected rental upside, ample parking, utility efficiencies, and a highly desirable South Bay location, East 9th Street Apartments presents a compelling opportunity for investors seeking both current income and future growth potential. Buyer to verify all property information, including but not limited to square footage, lot size, parking count, utility metering, condominium provisions, title matters, deed restrictions, financial information, market rental assumptions, and all development or ownership-related considerations. Buyer should review all preliminary title reports and conduct independent due diligence.

1313 E 9th Street, National City

$2,099,000

8 Beds ⋅ 8 Baths ⋅ PW26071419 MLS ⋅ Active Status

Built in 2025, this upgraded multifamily property features all four 2-bedroom, 2-bathroom units across two separate buildings on a large lot. Designed for low maintenance, each unit offers modern finishes including 9' & 10' ceilings, Milgard windows, central A/C, stainless steel appliances, tankless water heaters, in-unit laundry and private outdoor storage. The property has 8 on-site parking spaces with 4 steel carports, individually metered for gas and electric and sub-metered water to help reduce operating expenses. Both upstairs units have large balconies, while the downstairs enjoy covered patios opening to the back yard. Centrally located near Downtown Escondido provides easy access to shopping, restaurants, breweries, wineries and San Diego Zoo Safari Park. This fully leased, turnkey asset is an excellent opportunity for investors seeking strong cash flow with minimal maintenance! Extra buyer incentives may apply—call for details.

630 N Juniper Street, Escondido

$2,099,000

PW26070091 MLS ⋅ Active Status

630 N Juniper Street, Escondido

$1,399,000

PTP2506451 MLS ⋅ Active Status

Great Investment Opportunity! Upside on rental income. The property has 3 first floor units with a fourth unit upstairs with each unit at approximately 860 sq. ft. Each unit has a 1 car garage, one parking spot and has on site laundry room in back of property. Each unit has 2 bedrooms, 1 full bath. Located near the heart of downtown El Cajon. Plenty of parking for all residents & guests.

1109 E Lexington, El Cajon

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Based on information from California Regional Multiple Listing Service, Inc. as of . This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.