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Bird problems on a house are unusual among home services in that federal law decides what may be done before any contractor opens a ladder. The Migratory Bird Treaty Act makes it unlawful at any time, by any means or in any manner, to pursue, hunt, take, capture or kill, or to possess, any migratory bird or any part, nest or egg of such a bird, except as permitted by regulation. That single sentence is why a swallow nest over a doorway and a pigeon nest in the same spot are legally different objects.

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The exceptions are narrow and specific. The Migratory Bird Treaty Reform Act of 2004 provided that the Act applies only to species native to the United States or its territories, and the Fish and Wildlife Service publishes the resulting list of non-native species the Act does not apply to. Rock Pigeon, Columba livia, appears on that list. House sparrow and European starling are not protected either, but for a different reason: the Service notes they belong to families, Passeridae and Sturnidae, that do not qualify for protection under the Act at all.

So the practical rule is: pigeons, starlings and house sparrows are the birds a contractor can usually work on directly, while nearly everything else nesting on your house is protected and the answer becomes exclusion, timing, or a federal permit.

The Migratory Bird Treaty Act decides what may be done, and to which birds

Get this right before anything else, because a well-meaning homeowner knocking a nest off a porch beam can be committing a federal offense. The statute at 16 U.S.C. 703 makes it unlawful at any time, by any means or in any manner, to pursue, hunt, take, capture, kill, attempt to take, capture or kill, possess, offer for sale, sell, deliver for shipment, ship, export, import, transport or receive for shipment any migratory bird, or any part, nest or egg of such a bird, where the species is covered by the treaties the Act implements. Nests and eggs are named in the statute, which is the part homeowners most often do not realize.

The non-native carve-out is what makes ordinary bird work possible. The Migratory Bird Treaty Reform Act of 2004 amended the Act to state that it applies only to migratory bird species native to the United States or its territories, with a native species defined as one present as a result of natural biological or ecological processes, and the Fish and Wildlife Service publishes an amended list of the non-native species introduced by humans to which the Act does not apply. Rock Pigeon, Columba livia, is listed on it. The Service also notes, in the same notice, the families that do not qualify for protection under the Act, including Passeridae, which covers house sparrow, and Sturnidae, which covers European starling.

Everything else on your house is a different conversation. Barn and cliff swallows, house finches, robins, phoebes, chimney swifts, woodpeckers and Canada geese are native species covered by the Act, so an active nest is not something a contractor may simply remove, and work on them may require a federal depredation permit or has to wait until the nest is no longer in use. State law can add protections on top, and some cities regulate bird control or feeding separately, so verify locally as well. A company that cannot tell you which category your bird falls into should not be on your roof.

Pigeons, starlings and sparrows versus everything else on your building

Identification is the first billable decision in a bird job, because it determines whether the work is a straightforward exclusion or a timing and permitting exercise.

  • Feral pigeon: flocks on ledges, parapets, signage, solar arrays and flat roofs, with heavy droppings accumulation below roosting sites.
  • European starling: cavity nester that packs dryer vents, bath fan terminations and soffit gaps with coarse nest material, and travels in large flocks.
  • House sparrow: small cavity nester filling gaps behind signs, in vent hoods and under roof tiles, often several nests in one building.
  • Native cavity and ledge nesters such as house finches and phoebes, which look like the same problem and are legally not the same problem.
  • Colonial mud nesters such as barn and cliff swallows, protected and highly site-faithful, where timing the exclusion is the whole strategy.
  • Chimney swifts and woodpeckers, both protected, both requiring a different approach from anything involving a net or a trap.
  • Geese, gulls and raptors on roofs, which bring additional federal and state considerations and are not general contractor work.

Droppings, blocked vents and the damage birds do to a building

  • Corrosion: the University of Missouri extension notes pigeon droppings on benches, cars and buildings are not only unsightly and smelly but also corrosive, particularly to buildings.
  • Blocked dryer and bath vents, where a starling or sparrow nest becomes both a fire risk and a moisture problem in the wall behind it.
  • Clogged gutters and scuppers, where nest material dams the drainage and sends water over the fascia or back under the roof edge.
  • Nest material in a chimney or flue, which obstructs the venting of a fuel-burning appliance and is a carbon monoxide concern.
  • Slip hazards and cleanup burden on walkways, stairs, decks and rooftop equipment areas under a persistent roost.
  • Ectoparasites such as bird mites, which leave an abandoned nest and move into the building looking for a host.
  • Noise and mess at an entryway, which for a home business or a rental is a practical problem as much as a nuisance.

Histoplasmosis: why a large droppings accumulation is not a weekend chore

The health concern with long-established roosts is a fungus rather than the birds themselves. CDC states that Histoplasma lives in soil in certain parts of the United States and the world, that the fungus is typically found in soil and bird or bat droppings, and that people get histoplasmosis by breathing in spores from the fungus. CDC adds that most outbreaks occurred after events that disturb soil contaminated with bird or bat droppings, which is exactly what scraping, sweeping or pressure washing a roost site does.

CDC's prevention guidance is correspondingly direct: avoiding activities that disturb soil or increase exposure to plant matter or bird or bat droppings can help prevent histoplasmosis, and large amounts of bird or bat droppings should be cleaned up by professional companies that specialize in hazardous waste removal. For workers in situations such as construction, CDC notes that protective masks like N95s can be worn. The University of Missouri extension makes the same connection, noting that accumulated droppings can harbor the histoplasmosis fungus.

In practice that means the size of the deposit changes the job. Wiping a few droppings off a railing is not the scenario the guidance addresses. A years-old accumulation in an attic, a parapet void, a barn loft or under a rooftop equipment platform is, and the correct response there is a company equipped for it rather than a shop vacuum and a dust mask. Ask any bidder what protection and what method they use for cleanup, and treat vague answers as a reason to keep looking.

Netting, mesh sizes and ledge angles that actually stop a pigeon

Exclusion is the durable answer, and the University of Missouri extension is specific about materials. Building openings such as lofts, steeples, vents, eaves and windowsills are blocked with wood, metal, glass, masonry, three-quarter-inch rustproof wire mesh, or plastic or nylon netting. Plastic or nylon bird netting on the underside of rafters or ledges is described as a good solution to roost problems, and netting is also useful for covering windows or other building openings. For screening rafters, quarter-inch wire mesh is specified.

Where a surface cannot be closed off, the geometry of the surface becomes the tool. The extension notes that changing ledge angles to 45 degrees or more can discourage roosting, while cautioning that pigeons may still be able to roost on angled ledges. That honesty is worth carrying into a sales conversation: ledge modification reduces a problem, netting and mesh eliminate access, and the two are not interchangeable. Vent hoods and dryer terminations need proper bird-resistant covers rather than screen glued over the opening, and solar arrays on a roof need edge screening fitted for the array rather than improvised.

Install quality decides how long any of it lasts. Netting must be tensioned to a cable perimeter and anchored properly, or it sags, admits birds behind it and traps them, which creates a worse problem and, where protected species are involved, a legal one. Ask to see the anchoring detail and the warranty, and ask what happens if a bird gets behind the net.

Food sources and why the flock stays on your block

Exclusion moves birds to the next available ledge; removing the food supply is what reduces the number of birds in the neighborhood at all. The University of Missouri extension is plain about the cause: populations persist because the birds subsist on spilled or improperly stored grain, garbage or other food materials people provide for them intentionally or unintentionally. Eliminating those food sources is described as essential to control.

On a residential block that translates into specific, sometimes awkward tasks. Secure garbage and recycling containers, clean up spilled birdseed and switch to feeders that do not scatter, keep pet food indoors, sweep up fallen fruit and nuts, and take the outdoor feeding of pigeons seriously as an issue with neighbors rather than a private preference. Some cities prohibit feeding pigeons outright, so it is worth checking the local ordinance before that conversation. And since the extension also advises checking local laws and ordinances before taking control measures even for unprotected feral pigeons, the sensible order is to confirm the rules, remove the food, then do the exclusion work, rather than to start with a ladder.

What a bird control quote is pricing, and how LokalMatch fits in

Bird work is priced on access and area more than on the number of birds. The variables are the species and whether it is federally protected, the height and reach of the work and whether a lift or rope access is required, the linear footage of ledge or the square footage of netting and how the perimeter is anchored, the number of vents, eaves and cavities that need individual covers, whether a droppings cleanup is included and how large and old the accumulation is, whether a federal depredation permit is needed and who applies for it, and whether the installation carries a warranty and an inspection schedule. Ask for exclusion, cleanup and any permit work as separate lines.

LokalMatch is where the search starts. You describe the situation once: which birds and where they are roosting or nesting, how high the area is, how long it has been going on, and whether there are droppings to clean up. Pest control and bird exclusion companies covering your area receive the request and the interested ones contact you. Pros pay for the requests they receive, and homeowners use LokalMatch at no cost. LokalMatch does not perform bird control, does not set prices, and does not vet, rank or recommend any company, so confirming the species question, the licensing, the insurance and the written scope is yours to do.

Birds & Pigeons: frequently asked questions

Can I remove a bird nest from my porch?

Only if the bird is not protected. The Migratory Bird Treaty Act makes it unlawful to take, capture or possess any migratory bird or any part, nest or egg of such a bird except as permitted by regulation, and nests are named in the statute. Pigeons, house sparrows and European starlings fall outside that protection, but a swallow, robin, phoebe or finch nest generally does not. Identify the bird before you touch the nest, and ask a professional if you are unsure.

Which birds are not protected by federal law?

The usual three around buildings. The Migratory Bird Treaty Reform Act of 2004 limited the Act to species native to the United States and its territories, and the Fish and Wildlife Service publishes a list of non-native species the Act does not apply to, on which Rock Pigeon, Columba livia, appears. The Service also notes that house sparrow, in the family Passeridae, and European starling, in the family Sturnidae, belong to families that do not qualify for protection under the Act. State and local rules may still apply.

Is it safe to clean up pigeon droppings myself?

It depends entirely on how much there is. CDC states that Histoplasma is typically found in soil and bird or bat droppings, that people get histoplasmosis by breathing in its spores, and that most outbreaks occurred after events that disturb contaminated material. CDC advises that large amounts of bird or bat droppings should be cleaned up by professional companies specializing in hazardous waste removal, and notes that workers can wear protective masks like N95s. A years-old accumulation in an attic or on a roof is the professional case.

Do spikes and scare devices work?

Less reliably than exclusion. Physical barriers that deny access are what last: the University of Missouri extension describes blocking openings with wood, metal, glass, masonry, three-quarter-inch rustproof wire mesh or netting, and using plastic or nylon netting on the underside of rafters or ledges. Changing ledge angles to 45 degrees or more can discourage roosting, though the same source cautions that pigeons may still roost on angled ledges. Devices that only frighten tend to lose effect once birds habituate.

Why do the pigeons keep coming back after the roost is netted?

Because the food is still there. The University of Missouri extension explains that pigeon populations persist on spilled or improperly stored grain, garbage or other food materials people provide intentionally or unintentionally, and calls eliminating those food sources essential. Netting one ledge moves the birds to the next one on the block. Securing garbage, cleaning up spilled birdseed, keeping pet food indoors and addressing deliberate feeding are what reduce the flock.

Is there a permit for removing protected birds from a building?

There is a federal depredation permit process administered by the Fish and Wildlife Service for protected species, and state permits may be required as well. It is not a formality, and it is not something to assume will be granted. In most residential cases the practical answer is exclusion after the nest is no longer in use, with the work timed around the nesting season. Ask any company how it handles the species question and who applies for permits if one is needed.

Sources

  1. 16 U.S.C. 703: Taking, killing or possessing migratory birds unlawful
  2. US Fish and Wildlife Service: Migratory Bird Treaty Act of 1918
  3. US Fish and Wildlife Service: List of Bird Species to Which the Migratory Bird Treaty Act Does Not Apply
  4. Federal Register: Migratory Bird Permits, List of Bird Species to Which the MBTA Does Not Apply (2020)
  5. University of Missouri Extension: Controlling Nuisance Pigeons
  6. CDC: Causes of Histoplasmosis
  7. CDC: Preventing Histoplasmosis

Written by the LokalMatch editorial team. Last reviewed September 21, 2026. How we write and check our guides

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What affects the cost of bird control

Prices depend on the details of your project. We only publish price ranges when they’re backed by real LokalMatch quote data or reliable sources. Until then, here’s what usually changes the price:

  • Type of pest or animal
  • How widespread the problem is
  • Size of the home and number of units affected
  • Treatment method
  • Number of follow-up visits
  • Exclusion work, such as sealing gaps or installing barriers

How to compare wildlife removal companies before you hire

  • Choose a company that inspects first and identifies the pest before recommending treatment.
  • Ask whether they are licensed to apply pest control products in your area.
  • For wildlife like raccoons, squirrels or birds, look for a company that uses humane removal and seals entry points.
  • Ask how they'll keep children, pets and food safe during and after treatment.
  • Get the treatment plan in writing, including follow-up visits and what happens if the problem comes back.

Questions to ask wildlife removal companies before you hire

  • What pest do you think this is, and how did you identify it?
  • Are you licensed to apply pest control products in my area?
  • What products or methods will you use, and are they safe around children and pets?
  • How do I need to prepare my home before treatment?
  • How many visits are included, and what happens if the problem comes back?
  • Will you seal entry points so the problem doesn't return?

When to call a pro for bird control

  • Droppings, gnaw marks or scratching noises in walls or the attic
  • Bites or small blood spots on bedding that could point to bed bugs
  • A wasp or hornet nest near a door, deck or play area
  • An animal living in the attic, chimney or under a deck

Bird control permits and local rules

Some bird control work needs a permit or has to meet local bylaws. Rules vary by municipality, so ask your pro whether a permit is needed and who will apply for it — and check with your city or town if you’re unsure.

Permits and licensing

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