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Pest Control Cost in Maryland (2026 Price Guide): One-Time Visits, Quarterly Plans, and Termite Work

Pest control cost in Maryland for 2026: one-time visit prices by pest, quarterly plan rates, termite barrier and bait costs, and how to pick a licensed company.

Pest Control Cost in Maryland (2026 Price Guide): One-Time Visits, Quarterly Plans, and Termite Work

A one-time pest control visit in Maryland costs $150 to $350 in 2026, and a quarterly service plan runs $110 to $200 per visit, or roughly $450 to $800 a year. Termite treatment is its own category, with a full liquid barrier on an average house costing $1,200 to $3,000 and bait station systems running $1,500 to $3,500 plus annual monitoring.

Maryland has more pest pressure than its size suggests. The Chesapeake Bay and the Potomac give the state long, humid summers that breed mosquitoes and ants, the mild winters let termites feed nearly year-round, and the rowhouse blocks of Baltimore have a rat population that the city has been fighting for a century. Add spotted lanternflies in the north and stink bugs everywhere, and most homeowners end up calling someone eventually.

The prices below reflect what Maryland companies are quoting this year across Baltimore, the Washington suburbs, the Eastern Shore, and Western Maryland. Where costs vary by region, that is noted, because a mosquito treatment in Annapolis, MD and a mouse job in Cumberland, MD are not the same market.

One-Time Treatments by Pest

General pest treatments for ants, spiders, roaches, and crickets typically cost $150 to $300 for an average single-family home. The technician sprays the perimeter, treats entry points, and applies bait or dust in the kitchen and bathrooms. Most companies guarantee the treatment for 30 days and will return free if activity continues.

Mice are the most common fall call in Maryland, and a one-time rodent job runs $200 to $500 depending on how much exclusion work is needed. The trapping is the cheap part. Sealing the gaps around the sill plate, the garage door, and the utility penetrations is where the cost comes from, and it is the only part that works long-term.

Bed bug treatment is the most expensive per-visit service. Chemical treatment of a bedroom runs $300 to $600, a whole apartment or house $900 to $2,000, and heat treatment of an entire home $2,000 to $4,500. Baltimore and the Washington suburbs see the most bed bug work because of the density of apartments and travel.

Mosquitoes and Ticks

Mosquito barrier treatments are a warm-season subscription in most of Maryland. A single spray of the yard costs $75 to $150, and a seasonal plan of eight to ten visits from April through October runs $500 to $900. Yards near the water in Anne Arundel, Calvert, and the Eastern Shore counties have the worst pressure and get the most value.

Tick treatment is often bundled with mosquito service for $20 to $50 more per visit. In Frederick, Carroll, and Baltimore counties, where deer ticks are established, that bundle is the more common purchase.

Wildlife and Stinging Insects

Wasp and hornet nest removal costs $150 to $400 depending on location and size, and a bald-faced hornet nest twenty feet up in a tree is at the top of that range. Squirrels, raccoons, and bats in the attic are wildlife work rather than pest control, and Maryland companies charge $300 to $800 for trapping plus $500 to $2,000 for the exclusion and repair that follows.

Quarterly and Monthly Service Plans

Quarterly service is the standard offering across Maryland, and it costs $110 to $200 per visit for a typical home, with the first visit often priced higher at $150 to $250 to cover the initial treatment. Plans cover ants, spiders, roaches, silverfish, centipedes, and usually mice, and include free callbacks between visits.

Monthly plans exist mostly for restaurants, multifamily buildings, and homes with chronic problems. For a single-family house, monthly service at $50 to $90 per visit rarely makes sense unless there is an active roach or rodent issue that needs follow-up.

The math on a quarterly plan is straightforward. If you would otherwise call for two one-time treatments a year at $200 each, the plan costs about the same and includes the callbacks. If you would only call once, the one-time visit is cheaper.

Companies in the Baltimore and Washington metros often push annual contracts with automatic renewal. Read the cancellation terms. The good ones let you cancel with 30 days' notice after the first year, and the bad ones charge a fee.

Termites in Maryland

Subterranean termites are active in every Maryland county, and the state's damp soil and mild winters mean colonies feed most of the year. A termite inspection costs $75 to $150, and many companies waive it if you buy a treatment. Lenders typically require a wood-destroying insect report on a purchase, which runs $75 to $125.

A liquid barrier treatment with a non-repellent termiticide on a 2,000 square foot house costs $1,200 to $3,000 in 2026. The price depends on the linear footage of the foundation, whether the crew has to drill through a slab or a finished basement floor, and how many trenches are needed around porches and additions.

Bait station systems cost $1,500 to $3,500 to install and $250 to $450 a year to monitor. They are the better choice for homes with wells, finished basements where drilling is impractical, or lots that back up to woods where recolonization is likely. Older homes in Silver Spring, Towson, and Salisbury with crawlspaces often end up with a combination.

A termite bond or annual warranty typically costs $150 to $350 a year and covers re-treatment if termites return. If you are selling within a few years, keeping the bond active makes the transaction smoother.

What Changes the Price Across Maryland

Home size is the first factor. Most quoted prices assume a house under 2,500 square feet on a lot under a quarter acre, and larger properties in Howard or Montgomery County add $30 to $80 per visit for the extra perimeter and yard.

Older housing adds cost across the state. A 1920s rowhouse in Baltimore or a farmhouse in Frederick County has more gaps in the foundation and more voids in the walls than a 2010 townhouse in Odenton, and exclusion work for mice and rats scales with the number of entry points.

Baltimore City rowhouses have their own pricing logic. Rats travel along shared alley walls and foundations, so a single-house treatment is less effective than a block-wide effort, and companies charge $150 to $350 for rat baiting with the understanding that neighbors matter. Some Baltimore neighborhoods coordinate with the city's rat rubout program to get better results.

The Eastern Shore and Southern Maryland pay slightly more per visit because fewer companies serve those areas and technicians drive further. Western Maryland has the fewest providers and the lowest pest pressure, so quarterly plans there often start around $100 per visit.

Access and construction matter for termite work above all. A house on a slab with a concrete patio wrapped around the back costs more to treat than the same house on a crawlspace with bare soil, because every foot of concrete has to be drilled and patched.

Choosing a Company and Reading the Quote

Maryland requires pest control companies to be licensed by the Maryland Department of Agriculture, and technicians have to be registered or certified. Ask for the license number and confirm it before you sign, especially for termite work, where a bad application wastes thousands of dollars.

A good quote lists the pests covered, the products used, the frequency, the guarantee, and the cancellation terms. Termite quotes should include a diagram of the treatment area, the termiticide brand and concentration, and the warranty length. Two quotes on a termite job in Maryland regularly differ by $1,000, and the cheaper one is not always worse.

Ask whether the company does its own wildlife and bed bug work or subcontracts it. Subcontracted work is fine, but you want to know who is showing up. You can compare licensed providers in our Maryland pest control directory, and our home services blog has more on seasonal pest prevention and termite inspections before buying a home.

Frequently Asked Questions

How much does a termite inspection cost in Maryland?

Standalone inspections run $75 to $150, and the wood-destroying insect report a lender requires costs $75 to $125. Many companies credit the inspection fee toward a treatment if you buy one within 30 days.

Is quarterly pest control worth it in Maryland?

For homes near water, wooded lots, or older houses with many entry points, yes. A quarterly plan at $450 to $800 a year costs about the same as two emergency visits and comes with free callbacks in between.

When should I schedule mosquito treatment in Maryland?

Start in April when temperatures hold above 50 degrees at night, and continue through October. The first spray of the season is the most important one because it reduces the early population before it multiplies.

Do Maryland pest control companies treat spotted lanternflies?

Some do, mainly in Cecil, Harford, and Baltimore counties where the infestation is heaviest. Treatment of host trees costs $150 to $400 per visit, though most companies will tell you that removing tree of heaven from the property does more than any spray.