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What is a Halfplex?

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halfplex or duplex

Halfplexes generally cost less than a single family home or duplex.

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Question: What is a Halfplex?
A reader asks: "I have noticed that some homes for sale on agents' websites are referred to as halfplexes. I've never heard that term before. Is a halfplex just like a duplex? What is a halfplex?"
Answer: I agree that local terminology can be confusing -- in some parts of the country, a halfplex is called a side-by-side. Although, a halfplex is not a duplex, it's similar to one-half of a duplex.

Halfplexes are popular among first-time home buyers because it generally is much less expensive to buy a halfplex than a free-standing single family home.

Differences Between a Halfplex and a Duplex

A duplex is two units attached to each other and deeded as one parcel. Think of it as a 2-unit building. Each unit may be identical to each other in size and configuration or it may be different -- such as a one bedroom, one bath on one side and a three bedroom, two bath on the other.

A halfplex is one-half of an attached residence. You will find two halfplexes per building, but each is deeded separately and each has its own parcel number.

Halfplexes tend to mirror each other, each side may be the same. They do not share common floor space, that is they are not built on top of each other but are situated side by side.

Halfplexes usually share a back yard, divided by a fence. For all practical purposes, a halfplex is like a single family residence that shares a common wall. Sometimes they are separated by the garages.

How Maintenance is Handled on a Halfplex

Unless the halfplex sits within the confines of a homeowner's association, generally each separate owner is responsible for maintaining the halfplex and its land. Here are common maintenance issues that should be considered before buying a halfplex:

  • Painting the Exterior of a Halfplex

    You will see colorful Victorians in San Francisco or attached housing units in Ireland painted a variety of colors. However, in most communities in America, people want the exterior of their homes to match.

    This means if you want to change the exterior color of your home, you may want to encourage your attached neighbor to participate in the cost and labor to repaint. If your neighbor decides to paint his or her side a bright purple, there may not be anything you can do about it.

  • Refinishing or Replacing a Halfplex Driveway

    I once owned a home with a shared driveway. My neighbors did not want to pay to pour an asphalt drive. They overheard me talking on my cell phone outside about putting a fence down the middle of the driveway and suddenly decided to ante up half the cost of new asphalt.

    However, if each of you have your own driveway, then cooperation is unnecessary.

  • Repairing or Replacing the Roof of a Halfplex

    Ask any roofer about insurance companies who want to pay to reroof only half of a roof after a hailstorm, and you'll quickly find out that's not the best option.

    You can make repairs to your own roof, but if it has to be replaced in its entirety, you will need to come to an agreement with your neighbor or pay for it yourself.

  • Installing a Fence in the Yard of a Halfplex

    Usually, only one fence will separate your yard from your attached neighbor's yard. Depending on the configuration of your yard, you may have another neighbor on the opposite side plus a different neighbor behind you.

    Most fences are shared, so to put in a new fence, you may need to talk with 3 or more neighbors and get each to agree to share a proportionate share of the cost. If none will agree, a remaining option is to build a new fence in front of the old fence and absorb the cost yourself. But you will lose at least six inches of yard space this way.

  • Repairing Adjoining Walls

    Generally, you will own to the center of a common wall. This means if you have water damage or a hole in the wall, repairing your side of the wall is at your expense.

Before you buy a halfplex, it's a good idea to talk to the neighbors on the other side before committing to the purchase.

At the time of writing, Elizabeth Weintraub, DRE # 00697006, is a Broker-Associate at Lyon Real Estate in Sacramento, California.

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