Investing in multi family properties rather than single family homes has many benefits that have caught the attention of both new and seasoned real estate investors in recent years.

How to Find a Duplex for Sale in San Diego

While finding the right apartment building or duplex for sale in San Diego or any other location still requires a great deal of market research and financial analysis, the multitude of real estate listing services available online have made it easier to get started.

Discover Buying Opportunities Off-Market with Reonomy

One thing that many investors and brokers are doing now is identifying buying opportunities off-market.

Why go off-market?

Connecting with owners of off-market properties allows brokers and investors to forgo any other intermediaries and acquisition costs.

For investors, it also helps avoid the competition of other buyers. And from a broker’s point of view, it helps identify listings before anyone else.

The Reonomy Platform lets you search any location nationwide off-market for multi family assets of all kinds, based on their sales history, debt history, building and lot size—even search for properties currently in pre foreclosure, or in a qualified Opportunity Zone.

Commercial and Residential Real Estate Listings

First, we’ll review the most notable commercial and residential real estate listings platforms that feature multi family properties for sale nationwide, as well as a few listing services that specialize in marketing for sale properties in the San Diego, California area.

Loopnet

LoopNet is one of the leading commercial real estate databases featuring over 500,000 properties in various categories, including retail, office, industrial, multi family, flex, and hospitality.

It also has a separate category for “Residential Income,” which is tailored to individuals looking to invest in residential properties such as single family homes, duplexes, and apartment buildings.

LoopNet Duplex for Sale in San Diego

Zillow

Zillow is LoopNet’s counterpart in residential real estate – the platform features data on more than 110 million homes in the United States, including both on and off market properties.

Its information on recent sales is an excellent source for gathering sales comp intelligence.

Zillow Duplex for Sale in San Diego

Ten-X Commercial

What differentiates Ten-X Commercial from other commercial real estate listing platforms is its arsenal of original tech utilities, which help facilitate more than 90% of all online commercial real estate sales according to their web site.

The platform can match buyers with potential investments, and offers a secure online purchasing process handled by an in-house closing team.

CREXi

CREXi is another online marketplace that features all types of commercial real estate properties, including retail, office, multi family, industrial, medical, mixed use, self storage, and a lot more.

The site also offers in-depth market insights and data for most of the largest metro areas in the United States.

Crexi Duplex for Sale in San Diego

Showcase

With over one million property listings, Showcase helps brokers, investors, and businesses find office, industrial, warehouse, retail, and multi family real estate for sale or lease.

All listings on their platform are verified for accuracy by a team of market researchers.

Showcase Duplex for Sale in San Diego

Realtor.com

Realtor.com is a residential real estate platform that lets you search a nationwide inventory of houses, condos, multi family properties, mobile homes, and land.

While the service is primarily targeted at home buyers and sellers, it could be an great source for finding a duplex for sale in San Diego and other markets.

Realtor.com Duplex for Sale in San Diego

Duplex San Diego/Dycor Realty

Dycor Realty serves exclusively the duplex, triplex, and fourplex real estate market in San Diego County.

Their website, Duplex San Diego, features currently available and sold listings, as well as general information and advice for those interested in investing in 2-4 unit properties.

Duplex San Diego Duplex for Sale in San Diego

LuxurySoCalRealty/ Aumann Bender & Assoc.

Aumann Bender & Associates is another San Diego-based realty that can help you find duplex, triplex, and fourplex investment properties in the area.

You can browse the inventory of available multi family listings on their web site or use the search tool if you have a specific requirement.

Metro San Diego Realty

Another local brokerage that specializes in finding single family homes, condos, townhomes, and duplexes for sale in San Diego is Metro San Diego Realty.

You can search their for sale listings by neighborhood, price, number of bedrooms and baths, etc.

Metro San Diego Duplex for Sale in San Diego

Dream Well Homes

Dream Well Homes is a local residential realty that can also help you find duplex, triplex, fourplex, and other multi family investment properties for sale in San Diego County.

You can browse the listings on their web site or contact them directly for more information.

For Sale by Owner Listings

In this section, we look at real estate for sale by owner listings.

The platforms we reviewed in the previous section are typically used by brokers and other real estate professionals as many of them require a paid membership or subscription to access all features.

While there is no limitation to who can list properties for sale on the platforms in this section, they are most popular amongst individual owners looking to market their real estate for sale.

Craigslist

Craigslist is the leading classifieds-type web site that features posts in a variety of categories including real estate for sale.

The site has a very simple, easy-to-use interface and it is organized by city so it can be a great resource for finding a duplex for sale in San Diego or any other U.S. market.

For Sale by Owner

For Sale by Owner is one of the most popular “by owner” listing platforms servicing home sellers and buyers who are looking to bypass the real estate agent commission.

You can search their inventory of residential properties by state, city, price range, a number of bedrooms or baths.

For Sale by Owner Duplex for Sale in San Diego

Buildings by Owner

Buildings by Owner is the commercial real estate equivalent of the For Sale by Owner platform.

It offers services to individuals looking to sell their properties without the use of a real estate broker and it features multi family, retail, office, industrial, and other specialty-type real estate listings.

Buildings by Owner Duplex for Sale in San Diego

Step-by-Step Guides to Searching for Multi Family Properties on Popular Platforms

In order to help you get started in your search for the right multi family investment in San Diego, we will walk you step by step through the search process in LoopNet and Zillow, which are two of the most notable listing services on the Internet.

Most platforms have similar interfaces so you should be able to use these steps as a general guidance across the various listing sites we reviewed in the earlier sections.

San Diego County Multi Family Search with LoopNet

To begin your search in LoopNet, ensure that the “For Sale” tab above the search tool is selected (it will appear in a darker shade than the “For Lease” tab). In the “Search all types for sale” dropdown menu, select “Multifamily.”

Next, type “San Diego County, CA” in the “Enter a location” text field and then click the red Search button.

Loopnet Duplex for Sale in San Diego

Alternatively, if you would like to execute a more specific search, you can click on the “Advanced Search” link located below the Search button in order to open an overlay containing a multitude of criteria filters such as price, building size, number of bedrooms, and more.

LoopNet Duplex for Sale in San Diego

The screen containing the results of your search is split in two – on the left side is a map showing the locations of the available multi family properties for sale, and on the right is a scrollable list of the same.

You can hover over the markers on the map to get more information about each listing, and if you click on any of them, the corresponding property will be highlighted in the list on the right.

Additionally, you can zoom in/out, pan, and even switch to aerial view.

LoopNet Duplex for Sale in San Diego

The toolbar located directly above the map contains several useful options. You can execute a brand new location search without returning to the home page, or you can filter your current results by price and building size.

If you click on the More Filters button, you will access the Advanced Search overlay mentioned earlier, where you can further narrow your results.

Lastly, clicking on the Sort button will allow you to reorder the list of properties by date, price, cap rate, etc.

If you would like to further review a property of interest, click on it in the list on the right to access a detailed page of the listing, containing additional photos, printable marketing materials, sale notes, financial information, area demographics and amenities, and more.

To return to the previous screen containing all listings, just click on the “← Results” link in the top left corner of the page.

Alternatively, you can click on the “< Prev” or “Next >” links in the top right corner to go directly to the previous or next property in the list of results.

LoopNet Duplex for Sale in San Diego

San Diego Duplex Search with Zillow

In the Zillow example below, we will walk you through the steps of conducting a more specific search – we will look for a San Diego duplex for sale.

To begin your search with Zillow, type “San Diego, CA” in the “Enter an address, neighborhood, city, or ZIP code” search field on the home page and click the search icon.

Zillow Duplex for Sale in San Diego

Similarly to LoopNet, you will see a page containing a map and a list of all the properties that matched your location search.

In order to filter down the list of results to duplexes only, you need to click on the “More” button in the toolbar located above the map, and type “duplex” in the “Keywords” text box.

You can customize your search further by specifying the number of baths, square feet, lot size, and some additional parameters before clicking on the blue Apply button.

Some of the other filters available on the toolbar include listing type, price, number of bedrooms, and home type.

Zillow Duplex for Sale in San Diego

Once you have narrowed down the search results as per your requirement, you can use the map or the list on the right to find out additional details about specific listings.

The map interface allows you to zoom in and out, pan, switch to aerial or street view, and even draw a specific area of interest. You can hover over the dots to see details about each property.

Alternatively, hovering over a photo in the list will highlight the location of the home on the map. If you would like to sort the results by date, price, number of bedrooms or bathrooms, etc., use the links at the top of the list on the right.

Zillow Duplex for Sale in San Diego

Each property for sale in the list also has an individual page that can be accessed by clicking on its photo.

There you can find additional pictures, detailed facts and features of the home, price and tax history, area highlights, and other information that can help you determine whether to further pursue this investment.

Zillow Duplex for Sale in San Diego

LoopNet, Zillow, and other real estate listing platforms update their inventory of duplexes for sale in San Diego and other markets all the time, so it may be wise to create an account and save your search parameters in order to streamline your quest for the right investment opportunity.

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