New homes often carry hidden pest problems from previous occupants. Before unpacking, inspect entry points, moisture zones, and dark storage areas for signs of infestation. A professional pest treatment after move-in provides long-term protection and peace of mind.

Buying a new home is one of the biggest milestones of your life. You’ve signed the papers, picked up the keys, and started mentally arranging the furniture. What you probably haven’t thought about is who—or what—might already be living there.

Previous owners leave behind more than scuffed baseboards and outdated light fixtures. Rodents, termites, cockroaches, and other pests can settle into a property for years before a new owner ever walks through the door. And because pest activity is often hidden inside walls, under flooring, or deep in crawl spaces, a standard home inspection won’t always catch it.

The good news? A thorough move-in pest inspection is something you can start on your own—no professional license required. This guide walks you through every room and entry point to check before settling in, explains what warning signs to look for, and outlines when calling a licensed pest control professional makes sense.

Read to the end for a printable-style checklist you can bring with you on move-in day.

Why Do New Homes Have Hidden Pest Problems?

The term “new home” can be misleading. Unless you’re moving into a brand-new build that has never been occupied, the property has a history—and that history includes every pest that found its way in.

Pests are opportunistic. They move into a home because it offers food, water, or shelter. When a property sits vacant between owners (which is common during escrow periods), pest activity can actually increase. There’s less noise, less movement, and no one to notice the warning signs.

Even newly constructed homes aren’t immune. Construction debris, exposed soil, and wood-to-ground contact during the building phase can attract termites, ants, and rodents before the first family ever moves in.

The bottom line: pest history doesn’t reset when a home changes hands. A proactive inspection on move-in day is the clearest way to know exactly what you’re dealing with.

What Pests Should New Homeowners Look For?

Different pests prefer different environments, which is why a room-by-room approach works better than a general sweep. The most common culprits new homeowners encounter include:

• Termites — Often found near wood, soil, or moisture. Subterranean termites are especially common in warmer climates.
• Cockroaches — Prefer kitchens, bathrooms, and dark cabinet interiors.
• Rodents (mice and rats) — Look for entry points near utility lines, gaps in walls, and garage doors.
• Ants — Particularly carpenter ants, which nest in damp or damaged wood.
• Bed bugs — Can survive in a vacant home for months and are commonly introduced through second-hand furniture.
• Spiders — Often a sign of other pest activity, since spiders follow their food source.
• Silverfish — Thrive in humid areas like basements, attics, and bathrooms.

Knowing what you’re looking for makes the inspection faster and more effective.

Room-by-Room Move-In Pest Inspection Guide

Kitchen: The Highest-Risk Room in the House

The kitchen is ground zero for pest activity. Food residue, moisture under sinks, and warm appliance motors make it an ideal habitat for cockroaches, ants, and rodents.

What to check:

• Inside and behind cabinets, especially lower ones near the floor
• Under and behind the refrigerator, stove, and dishwasher
• Inside the pantry, including shelves and corners
• Under the sink for moisture damage, gaps around pipes, and droppings
• Along the baseboard edges and wall-to-floor seams

Warning signs: Dark droppings smaller than a grain of rice (rodents or cockroaches), grease smears along walls, chewed packaging, or a musty odor.

Bathrooms: Moisture Attracts More Than Mold

Silverfish, cockroaches, and drain flies are drawn to the consistent humidity found in bathrooms. They don’t need much—a slow leak under a vanity is enough.

What to check:

• Under and inside bathroom cabinets
• Around the base of the toilet and bathtub for moisture damage
• Gaps around pipe entry points in walls
• The exhaust fan housing and ceiling corners
• Any visible grout cracks or deteriorating caulking

Warning signs: Shed insect skins, small rust-colored stains, or flying insects near the drain.

Basement and Crawl Space: The Most Overlooked Area

If there is one area new homeowners consistently underinspect, it’s the basement or crawl space. These dark, often humid zones are prime territory for termites, rodents, and moisture-loving insects.

What to check:

• Wood beams and joists for soft spots, bubbling paint, or discoloration (signs of termite or moisture damage)
• Mud tubes along foundation walls—these pencil-thin tunnels are a hallmark of subterranean termites
• Entry points where utility lines (gas, electric, plumbing) enter the home
• Standing water or water stains that indicate drainage issues
• Rodent nests made from insulation, fabric, or paper

Warning signs: Mud tubes, hollow-sounding wood when tapped, rodent nests, or a persistent earthy or ammonia smell.

Attic: Rodents and Insects Both Work from the Top Down

Rodents frequently enter homes through the roofline, then travel down through wall cavities. An attic inspection can reveal an infestation long before you notice it at ground level.

What to check:

• Insulation for signs of nesting or tunneling
• Rafters and eaves for wasp or hornet nests
• Gaps around vents, skylights, and where the roof meets the walls
• Droppings along beams or near entry points
• Chewed wiring or structural material

Warning signs: Droppings, urine stains on insulation, chewed wood or wiring, or visible nests.

Garage: An Easy Entry Point for Rodents

Garages are often an afterthought during pest inspections, but they’re among the most accessible parts of a home for rodents and insects.

What to check:

• The gap at the bottom of the garage door (even a half-inch is enough for a mouse)
• Corners and shelving for droppings or nesting material
• Wall-to-floor seams and pipe entry points
• Any firewood or stored cardboard boxes (cockroaches and rodents love both)

Warning signs: Gnaw marks on stored items, droppings near walls, or a distinct musty odor.

Exterior and Foundation: Your First Line of Defense

A pest-proofed exterior is the most effective long-term strategy. What gets sealed outside never becomes a problem inside.

What to check:

• Foundation cracks or gaps where pipes and utilities enter
• Window frames and door weatherstripping for gaps or damage
• Wood siding or trim that contacts the soil directly
• Mulch, wood piles, or debris stored close to the home’s exterior walls
• Gutters and downspouts for standing water or debris buildup

Warning signs: Visible entry holes, damaged weatherstripping, soft or discolored exterior wood, or ant trails along the foundation.

Move-In Pest Inspection Checklist at a Glance

Area	Key Focus	Warning Signs
Kitchen	Cabinets, appliances, under-sink pipes	Droppings, grease marks, chewed material
Bathrooms	Vanity, drains, pipe gaps	Shed skins, drain flies, moisture damage
Basement / Crawl Space	Wood beams, foundation walls, utility entry points	Mud tubes, soft wood, rodent nests
Attic	Insulation, rafters, roof vents	Droppings, chewed wiring, nesting material
Garage	Door gap, corners, stored items	Gnaw marks, droppings, odors
Exterior	Foundation, siding, gutters	Entry holes, damaged caulk, ant trails

When Should New Homeowners Call a Pest Control Professional?

DIY inspections are a smart starting point, but they have limits. A licensed pest control professional uses tools and techniques—including moisture meters, thermal imaging, and borescopes—that can detect activity hidden behind walls or under flooring.

Call a professional if you find:

• Mud tubes or hollow wood (potential termite infestation)
• Large quantities of droppings in multiple areas
• Evidence of rodent nesting in the attic or basement
• Cockroach activity during daytime hours (a sign of heavy infestation)
• Any sign of bed bugs, including rust-colored stains or shed skins

Even without visible warning signs, many pest control companies recommend a baseline treatment when moving into a previously occupied home. Think of it as resetting the clock—eliminating any residual pest activity before it has a chance to establish.

A baseline treatment typically involves a perimeter spray, interior spot treatments, and targeted baiting for rodents and ants. It gives new homeowners a clean foundation from which to maintain pest control on their own terms.

How to Keep Pests Out After Moving In

The best pest strategy is an ongoing one. Once you’ve completed your move-in inspection and addressed any immediate concerns, these habits will significantly reduce long-term risk:

• Seal entry points immediately. Use caulk, steel wool, or foam sealant on any gaps found during your inspection.
• Fix moisture issues fast. Leaky pipes, condensation, and poor drainage are leading drivers of pest activity. Repair them promptly.
• Store food properly. Transfer pantry staples into airtight containers within your first week.
• Keep the exterior clear. Move firewood at least 20 feet from the home and keep mulch depth below two inches near the foundation.
• Schedule annual inspections. A yearly professional inspection—especially for termites—keeps small issues from becoming expensive ones.

Your New Home Deserves a Clean Start

Moving into a new home is exciting enough without discovering a pest problem six months down the track. A move-in inspection takes less than a few hours and can save you thousands in remediation costs.

Work through the room-by-room checklist above, document anything that looks unusual, and don’t hesitate to bring in a licensed professional if something doesn’t look right. A baseline pest treatment is a small investment relative to the peace of mind it provides—and relative to the cost of dealing with a full-blown infestation later.

Your home is yours now. Make sure it stays that way.

Frequently Asked Questions About Move-In Pest Inspections

What is a move-in pest inspection, and is it different from a standard home inspection?

A move-in pest inspection is a targeted check of a property’s most vulnerable areas—kitchens, bathrooms, basements, attics, and the exterior—for signs of current or past pest activity. A standard home inspection covers structural and mechanical systems broadly but typically does not include a detailed pest assessment. In many states, a separate Wood-Destroying Organism (WDO) inspection is required for mortgage approval, but this focuses primarily on termites and wood-boring beetles, not all common pests.

How soon after moving in should I get a professional pest inspection?

Ideally, schedule a professional pest inspection before or on the same day as move-in. If that’s not possible, book one within the first 30 days. Early detection limits the time pests have to establish themselves and makes treatment simpler and less costly.

Can pests survive in a vacant home?

Yes. Many common household pests—including cockroaches, bed bugs, rodents, and termites—can survive for extended periods without human activity. Cockroaches can live weeks without food, and bed bugs can remain dormant for several months. A vacant home is not a pest-free home.

What does a baseline pest treatment involve?

A baseline pest treatment typically includes a perimeter spray around the home’s exterior, targeted interior treatments in high-risk areas (kitchens, bathrooms, entry points), and baiting systems for rodents or ants where needed. The goal is to eliminate any existing pest activity and create a protective barrier before it escalates.

Are there pests that home inspectors typically miss?

Yes. Home inspectors routinely miss bed bugs, because detection requires close examination of mattress seams, furniture, and wall voids. They also frequently miss early-stage termite activity in areas that aren’t visually accessible, such as within wall cavities or under concrete slabs. A specialist pest inspector or termite inspector is better equipped for these scenarios.

How much does a professional move-in pest inspection cost?

Costs vary by location, property size, and the scope of the inspection. A general pest inspection typically ranges from $75 to $150. Termite-specific inspections may be priced similarly or included as part of a broader pest package. Baseline treatment costs depend on the size of the home and the pests being targeted.

Tags: Ant Control, Bed Bug Control, Move-In Pest Checklist: What Every New Homeowner Should Know, pest control, Silverfish Control, Spider Control, Termite Control