Pest control and exterminators in Stamford, CT

By Hamad G., last reviewed October 20, 2026. Independent guide, not a pest control company.

Stamford, CT is a city of renters: 51.2% of occupied homes are rented and only a third of housing units are detached houses, so bed bugs, mice and cockroaches are often a building problem, not one household’s. Stamford also sent CAES 211 blacklegged ticks in 2025, and 32% of those tested carried Lyme bacteria.

Found a tick or a nest right now?

Tick bite: save the tick. Save it dry in a sealed bag; send it to CAES for free testing through your health department or by mail. See a doctor if a rash or fever follows. City Health and Human Services lab, 8th floor of the Government Center, 888 Washington Boulevard, weekdays 8 am to 3 pm; no fee listed, so ask the lab director at 203-977-4378. details about tick drop-off in Stamford
Nest by the door: keep back. Keep people and pets away from the nest; trouble breathing or hives all over need medical care right away.
Droppings: air the room, then wet-clean. Air the room for 30 minutes, wear gloves and soak droppings with disinfectant or bleach before wiping; never sweep or vacuum them.
Suspected bed bugs: report it. Renters tell the landlord, who has five business days to inspect; homeowners ask a DEEP-registered pest control company to inspect.

What each step involves

Hiring an exterminator in Stamford

Check its DEEP registration.
Get products, labels and notices in writing.
Compare two written quotes.
Renting, like over half of Stamford households? Tell the landlord in writing first: state law makes the owner inspect for bed bugs.

The full checklist

Pest control services in Stamford

Start with who is responsible for the building. If you rent an apartment or a unit in a two-family or larger house and suspect bed bugs, tell the landlord first, in writing if you can; Connecticut’s bed bug law (below) puts the inspection and its cost on the owner. Mice and cockroaches in a multi-unit building usually come through shared walls, pipe chases and basements, so one unit treated alone rarely settles it. Bed bugs take patience too: EPA’s do-it-yourself bed bug guidance says treatment can take weeks to months. Tell the landlord or the condominium manager, and keep a dated note of what you saw and where.

If a tick bit someone in your family, save it. The city’s Health and Human Services Laboratory takes ticks from Stamford residents and sends them to the Connecticut Agricultural Experiment Station (CAES) for identification and testing; the details are under offices below. A tick result is information for you and your doctor, not a diagnosis.

For anything that needs pesticide, hire a company with a DEEP business registration; CGS 22a-66c makes it print that number on its contracts, its trucks and its print ads, so check the number before work starts. The site itself hires no one and sends no one; how this guide is run explains why. What each job looks like in Stamford:

Bed bugs in Stamford apartments: 51.2% of the city’s occupied homes are rented, the second-highest share of Fairfield County’s 23 towns after Bridgeport, so most cases begin with a written notice to the landlord.
Mouse and rat control in Stamford buildings: two-thirds of Stamford’s housing units are not detached houses, and sealing one apartment while the next stays open rarely ends it.
Cockroaches in Stamford kitchens and basements: there is no Stamford cockroach count, so this rests on the statewide CAES fact sheet, which says German cockroaches favor warm, humid kitchens and bathrooms.
Tick control for Stamford yards: the city’s 211 ticks sent to CAES in 2025 were the third-highest total of the county’s 23 towns, behind Westport and Ridgefield.
Termite control in Stamford and a termite inspection for a Stamford home sale: a third of Stamford homes, 32.6%, went up before 1960, old enough for sills and porch posts to deserve a look.
Carpenter ants in Stamford condos and houses: a nest in a bathroom wall points to a leak, and the ant-or-termite comparison shows how to tell the two swarmers apart.
Wasp and hornet nests around Stamford houses: no city record exists, but CAES’s statewide yellowjacket sheet puts a colony at its late-summer peak at 1,000 to 4,000 insects.
Commercial pest control for Stamford restaurants, offices and multifamily buildings: Connecticut’s food code, under CGS 19a-36i, makes every food establishment hold a permit from the local director of health, which in Stamford means Health and Human Services.
Spotted lanternflies on Stamford trees: a county record rather than a city one: CAES first found the insect in Fairfield County in 2020.

Nearby towns: Greenwich, which tests ticks in its own town lab, sits just west; to the east along the shore are Darien, one of the first Connecticut stink bug finds and Norwalk’s lone star tick island.

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Costs, choosing a company and rentals

Average treatment for a standard infestation (national): $171 (This Old House, March 2026).

Pest calendar

Ticks and mosquitoes by month (CAES)
Pest	Peak months	January	February	March	April	May	June	July	August	September	October (this month)	November	December
Blacklegged tick nymphs, ¹	May–Jul	none reported	none reported	none reported	none reported	peak	peak	peak	active	active	none reported	none reported	none reported
Blacklegged tick adults, ¹	Mar–Apr, Oct–Nov	active	active	peak	peak	active	none reported	none reported	none reported	none reported	peak	peak	active
Mosquitoes (West Nile virus risk), ²	Jul–Sep	none reported	none reported	none reported	none reported	none reported	active	peak	peak	peak	active	none reported	none reported

Peak: the busiest months
Active
None reported
October (this month)

Sources

See the full pest calendar

Why pests in Stamford are a building problem

Why do bed bug rules reach most Stamford households?

Most Stamford households rent, and Connecticut’s bed bug law covers every rental unit except a detached single-family house. The Census Bureau’s American Community Survey counts 51.2% of the city’s occupied homes as renter-occupied, and only 33.8% of housing units are detached single-family houses. Under CGS 47a-7a, once a tenant reports suspected bed bugs, the landlord has five business days to inspect, and the inspection includes any contiguous unit the same landlord owns. That matters in a tower or a converted multifamily, where bugs travel through wall voids and outlets. The landlord pays for inspection and treatment, and the tenant pays to prepare the unit. Before you sign a lease, you can ask the landlord when the unit was last inspected and found free of bed bugs; the law requires an answer on request.

What tick infections besides Lyme turn up in Stamford?

Babesia and Powassan virus both turned up in Stamford ticks in 2025, and Stamford had more ticks carrying each than any other of the 10 towns this guide covers. Of the 188 Stamford ticks that CAES tested, 27 (14%) carried Babesia, the parasite that causes babesiosis and the highest count of the 10 towns with pages in this guide, and 2 (1%) carried Powassan virus, according to the CAES 2025 tick testing summary. Of those 10 towns, only Shelton, where 1 of 31 tested ticks carried Powassan, also had one; county-wide, Ridgefield matched Stamford’s 2. A single tick can carry more than one agent, which is one reason CAES tests each tick for several. Powassan is a virus, so the antibiotics used for Lyme do not treat it. None of this means a bite will make someone sick; most ticks tested carried nothing. It is a reason to save the tick, note the date of the bite, and tell a doctor if fever, rash or other symptoms follow in the weeks after.

Does apartment living change how mice and cockroaches spread in Stamford?

Yes. In a city where two-thirds of housing units are not detached houses, mice and cockroaches move between units, and control has to cover the building. CT DEEP’s rodent management page says house mice nest within 10 to 30 feet of their food, live “behind walls, storage boxes and in cabinets and furniture,” and that rats can enter through an opening of half an inch. CAES’s cockroach fact sheet says German cockroaches favor warm, humid kitchens and bathrooms and that indoors cockroaches can develop year-round. Sealing pipe openings with steel wool, cement or hardware cloth works best when a whole floor or building does it together. Connecticut’s general landlord law, CGS 47a-7, requires owners to keep common areas clean and the premises fit and habitable, and to provide garbage receptacles.

Do Stamford’s newer buildings mean fewer termites and carpenter ants?

Not necessarily. Stamford’s housing is the third-newest of the 10 towns with pages in this guide, after Shelton’s (1977) and Danbury’s (1975), with a median year built of 1973, but 32.6% of homes date from before 1960 in the Census Bureau’s count of homes by year built. Termites follow wood and moisture, not age alone. The CAES termite fact sheet dates the eastern subterranean termite’s swarms “usually March – June”; look for pencil-sized mud tubes climbing the foundation, since this termite produces no sawdust. Carpenter ants are a different clue: the CAES carpenter ant fact sheet explains that these ants excavate wood already softened by water, so a nest in a Stamford condo’s bathroom wall or deck ledger points to a leak worth finding before any treatment. In a condominium, the association usually controls the exterior walls and decks, so report swarmers or sawdust piles to the manager as well as checking your own unit.

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Ticks and mosquitoes in Stamford

Stamford residents sent CAES 211 blacklegged ticks in 2025, up from 144 in 2024. CAES tested 188 of them, and 60 (32%) carried Borrelia burgdorferi, the Lyme bacterium, according to its 2025 summary. In 2024 it was 16 of 117 tested (14%), per the 2024 summary. Because residents decide which ticks to mail, the totals track submissions rather than the tick population. For human cases, CDC’s Lyme dataset gives Stamford’s region, Western Connecticut, 534 in 2023. A CAES press release on 2025 field sampling adds that adult females from this corner of the state were infected at 68%, the top rate statewide.

CAES traps mosquitoes at three Stamford sites: Cove Island Park, Sleepy Hollow Park and Intervale Road. In 2025 they produced 35 West Nile virus-positive samples (16 each at Cove Island and Intervale Road, 3 at Sleepy Hollow), the most of the 10 towns with pages in this guide, per the 2025 final summary. By October 13, 2026, Stamford’s three CAES traps had 14 West Nile virus-positive samples: Cove Island Park 10, Sleepy Hollow Park 2 and Intervale Road 2, per the 2026 summary. Each count is one pool of trapped mosquitoes that tested positive. Around Cove Island, Sleepy Hollow and Intervale Road, tip out standing water after rain and wear repellent outdoors; the mosquito brochure marks July to September as the riskiest stretch for people. To set Stamford against its neighbors, open the tick season guide or download the CSV.

The East Beach building at Cove Island Park, a long, low brick pavilion with flagpoles, behind a wide lawn and shade trees, with Long Island Sound visible at the edges. — East Beach at Cove Island Park, Stamford, June 2014. The park’s CAES trap logged 16 West Nile virus-positive samples in 2025, level with Intervale Road for the most in the city. Photo: Ivan D., CC BY-SA 4.0; edited.

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Exterminator prices and registration checks for Stamford

How much does an exterminator cost in Stamford, CT?

No one publishes a Stamford or Connecticut price, so the only sourced figures are national ones. For bed bugs, the hard case in a renter city, This Old House puts treatment at $1,000 to $4,000 (national data, as of March 2026), and Fixr gives $300 to $3,500 (national, as of January 2025). A Stamford tenant should not be paying either: CGS 47a-7a puts bed bug inspection and treatment on the landlord. The cost guide sets out the other national ranges.

How do I check a Stamford pest control company is registered?

Look its number up before anyone treats your Stamford unit or house. DEEP’s lookup instructions say anyone can search Connecticut’s eLicense site under Online Services, then Lookup a License, without an account; a business registration number starts with PMBR. In an apartment building, ask the landlord or condominium manager for the registration number of the firm they hired, since CGS 22a-66c(d) puts that number on its written contracts.

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Offices to call in Stamford

Health and Human Services: Stamford Government Center, 888 Washington Boulevard, Stamford, CT 06901, 203-977-4399. It is the local health department to contact about a rental bed bug problem; CGS 47a-7a says a tenant may contact any agency at any time.
Tick testing at the city laboratory: 8th floor of the Government Center, Monday to Friday, 8 am to 3 pm, according to the city’s tick testing page (archived copy, May 2026). Bring the tick in a sealed plastic bag and fill out a form; the lab director is at 203-977-4378. The page says ticks are tested for the agents of Lyme disease, anaplasmosis and babesiosis, only ticks that have fed on a person are tested, and results take 1 to 3 weeks. The page lists no fee; ask when you call.
CAES Tick Testing Laboratory, by mail: if the Government Center is out of reach, the state lab in New Haven takes ticks by post at no charge; its submission page has the form, the packing rules and the street address.

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Sources

Frequently asked questions

What is the hardest pest to control?

Bed bugs are a common answer, and EPA says treating them is complex and can take weeks to months. In Stamford, where 51.2% of occupied homes are rented and most housing units share walls, a bed bug problem often reaches neighboring units, which is why Connecticut's rental law makes the landlord inspect contiguous units too.

Where can I get a tick tested in Stamford?

Stamford residents can bring a tick in a sealed plastic bag to the Health and Human Services Laboratory on the 8th floor of the Government Center, 888 Washington Boulevard, Monday to Friday, 8 am to 3 pm. The lab forwards it to CAES. The city says results take 1 to 3 weeks.

Which Stamford parks have West Nile virus in mosquitoes?

CAES traps mosquitoes at Cove Island Park, Sleepy Hollow Park and Intervale Road. All three had West Nile virus-positive samples in 2025 (35 in all) and again in 2026 (14 to October 13). The counts are tested batches of mosquitoes at each trap site, not a measure of risk across the whole city.

What diseases do Stamford ticks carry besides Lyme?

Babesia and Powassan virus, among others. Of 188 Stamford ticks CAES tested in 2025, 27 carried Babesia, the parasite behind babesiosis, and 2 carried Powassan virus, level with Ridgefield for the most Powassan positives of any Fairfield County town. Keep any tick that bit someone and watch for fever or other symptoms.