The Ultimate Guide to Finding the Best Purple Martin Houses for Sale

If you are looking at purple martin houses for sale right now, you are probably eager to welcome these beautiful birds to your backyard.

These incredible swallows are a joy to watch. They chatter, they swoop, and they eat a ton of flying insects.

But getting them to nest in your yard isn’t as simple as hanging up a cheap wooden box in a tree.

Here’s the thing. Purple martins in North America rely almost entirely on human-supplied housing to raise their young.

That means the home you choose for them actually matters a lot.

Let’s look at everything you need to know before you make a purchase.

Why You Need a Dedicated Birdhouse for Purple Martins

Purple martins are colonial nesters. They love living in groups.

If you put up a single, tiny birdhouse, they will completely ignore it.

They want an apartment complex, not a single-family home.

When you search for purple martin houses for sale, you will notice they usually have anywhere from 6 to 24 compartments.

The Unique Nesting Habits of Purple Martins

What’s interesting is that these birds have a deep history with humans.

Hundreds of years ago, Native Americans hung hollowed-out gourds to attract them.

The birds learned that nesting near humans meant safety from predators like owls and snakes.

Today, eastern purple martins will not nest anywhere else. They need us.

What to Look for When Browsing Purple Martin Houses for Sale

To be honest, the market is flooded with birdhouses that look pretty but don’t actually work.

You need a house that prioritizes the safety and comfort of the birds.

Material Matters: Aluminum vs. Plastic vs. Wood

Aluminum is usually the best choice for a martin house.

It is lightweight, which makes it easy to raise and lower on a pole.

It also stays cool in the hot summer sun. The white color reflects the heat away from the baby birds.

Plastic houses can be okay, but they often degrade in the sun over time.

Wood is heavy. It can rot, and it holds onto moisture and parasites much easier than metal.

If you see wooden purple martin houses for sale, you might want to skip them unless you are prepared for heavy maintenance.

The Importance of Starling-Resistant Doors

This is arguably the most important feature to look for.

European starlings are invasive birds that will attack martins and steal their nests.

Why Round Doors Can Be a Problem

Traditional round holes are easy for starlings to get into.

Once a starling gets in, your martins will likely abandon the colony.

It is heartbreaking to watch, but it happens all the time with cheaper housing options.

Crescent-Shaped Entrances Save the Day

Look for entrances that are shaped like a half-moon or a crescent.

These are called Starling Resistant Entrance Holes (SREH).

They are designed perfectly for a martin to squeeze through, but a starling’s long legs and bulky body keep them out.

When looking for purple martin houses for sale, always check the door shape first.

Different Styles of Martin Homes

You have a couple of main options when picking out a setup.

Both work great, but they offer different aesthetics for your yard.

Traditional Apartment Houses

These look like tiny multi-story hotels.

They are usually made of aluminum and look very tidy and organized.

They often have wrap-around porches so the birds can socialize outside.

Hollow Gourds on Racks

Many enthusiasts prefer hanging plastic gourds from a specialized rack.

Gourds swing in the wind, which martins actually like.

Interestingly, house sparrows and starlings hate the swinging motion, so it adds an extra layer of protection.

You will often see racks that hold up to a dozen gourds when searching for purple martin houses for sale online.

Setting Up Your Purple Martin Colony

Buying the house is only step one. Where you put it dictates whether you will actually get any birds.

Picking the Perfect Spot in Your Yard

Purple martins need wide-open spaces.

They fly fast and need clear flight paths to swoop into their homes.

Keep the housing at least 40 feet away from tall trees.

However, keep it within 100 feet of human housing. They like being near you!

Height Requirements for Martin Poles

Your birdhouse needs to be mounted on a sturdy pole.

The pole should be 12 to 15 feet tall.

Make sure the pole has a winch or a pulley system.

You will need to lower the house often to check on the nests.

When to Open Your Purple Martin House

Timing is everything.

If you open the house too early, other nuisance birds will move in before the martins arrive.

Look up the purple martin migration map for your specific state.

Only open the compartments when “scouts” (the oldest returning martins) are due in your area.

Maintaining and Cleaning Your Martin Birdhouse

If you want a thriving colony year after year, you have to be a good landlord.

This means doing routine maintenance.

Nest Checks During the Season

You should lower the house once a week during the nesting season.

Record how many eggs you see and check for any signs of predators.

The parent birds will fly away when you lower the house, but they will come right back when you raise it. They don’t mind nest checks at all.

End-of-Season Cleanup Tips

When the birds migrate to South America in late summer, your job begins again.

Lower the house and clean out all the old nesting material.

Scrub the inside with a mild bleach solution.

If you are looking at purple martin houses for sale, try to find ones with removable nesting trays. They make this cleanup step incredibly easy.

The Best Accessories for Your Setup

A bare pole and a house are a good start.

But a few add-ons will make your setup much safer and more successful.

Predator Guards and Baffles

A predator baffle is an absolute must-have.

This is a metal cylinder that goes on the pole to stop raccoons and rat snakes from climbing up.

Without a baffle, a snake can wipe out an entire colony in one night.

Decoys and Vocalization CDs

If you are starting a brand new colony, it can be hard to attract that first pair of birds.

You can buy plastic martin decoys to attach to your house.

You can also play recordings of the “dawnsong” (martin chatter) early in the morning.

This tricks flying martins into thinking a colony is already established in your yard.

Finding the Right Vendor

Where you buy your birdhouse matters just as much as what you buy.

You want a vendor that specializes in birding supplies.

Big box hardware stores sometimes carry them, but the quality is usually lacking.

When you look for purple martin houses for sale, check out specialty nature stores or dedicated online birding shops.

They usually sell replacement parts, too.

If a door breaks or a tray cracks five years from now, you want to be able to buy a replacement part without buying a whole new house.

Creating a Safe Haven for Wildlife

Hosting a purple martin colony is a big commitment.

It takes time, money, and weekly effort.

But sitting on your back porch on a summer evening, watching dozens of birds swoop through the sky, makes it all worth it.

Just make sure you do your research before pulling out your wallet.

Read reviews on the different purple martin houses for sale, measure the open space in your yard, and get ready for a rewarding hobby.

Continue reading: 15 Health Benefits of Soursop Leaves: What You Need to Know