Common Cleaning Mistakes That Can Cost You Your Security Deposit

August 18, 2026 · Residential and commercial cleaning in Bloomfield

Public domain, via Wikimedia Commons

Most security deposit deductions in Connecticut don't come from a genuinely dirty apartment. They come from a short list of spots that get skipped: inside the oven, behind the fridge, baseboards, window tracks, and the tops of cabinets. Landlords and property managers check these specific areas because tenants reliably miss them. Fix that short list and you fix most of the risk.

The short version

Where DIY wins

If you've kept up with cleaning during your lease and the unit is a studio or one-bedroom, doing it yourself is usually enough. You know where your own mess is. You're not paying someone else's hourly rate to scrub a bathroom you've already kept in decent shape.

DIY also wins on flexibility. You can clean over several evenings instead of scheduling a crew around a moving truck. For renters who are tight on cash right before a move, buying a bottle of degreaser and an oven cleaner is cheaper than hiring anyone, as long as you actually do the full list and not just the visible surfaces.

Where professional cleaning wins

Professional cleaning wins when the unit is larger, when you've lived there several years without a deep clean, or when you're moving on a tight timeline and don't have a spare weekend. A crew that does move-out cleaning regularly already knows the checklist a landlord uses, because it's close to the same checklist every time: appliance interiors, grout, light fixtures, closet shelves, baseboards, and window tracks.

It also wins when there's buildup that's been sitting for a year or more. Baked-on grease inside an oven or hard water film in a shower can take real time and the right chemicals to remove. Underestimating that job is one of the most common reasons DIY move-out cleans run out of time the night before keys are due.

What this looks like in practice

These are the specific spots that come up again and again in move-out inspections around Bloomfield and greater Hartford:

• Inside the oven and under the stovetop burners. A wiped-down stovetop with a greasy oven interior is one of the most common deductions. Self-cleaning ovens still need the ash wiped out afterward.
• Behind and under the refrigerator. Dust, crumbs, and sometimes mold can build up here and it's rarely checked until move-out.
• Baseboards and door frames. These collect a fine gray film that's easy to miss because it doesn't look "dirty" from a few feet away.
• Window tracks and sills. Dead insects, dirt, and mildew collect here, especially on ground-floor units.
• Inside kitchen and bathroom cabinets. Crumbs, sticky shelf liner residue, and dust in corners.
• Light fixtures and ceiling fan blades. Dust that's built up for months, sometimes years.
• Bathroom exhaust fan covers. These trap dust and are almost never cleaned during a normal tenancy.
• Grout lines in tile floors and showers. Discolored grout reads as "not cleaned" even if the tile itself is fine.
• Closet shelves and floors. Often skipped because they're out of sight until someone opens the door for inspection.
• Walls near light switches and doorknobs. Hand oils and scuff marks build up in these exact spots.
• Nail holes and adhesive residue. Some leases require these to be addressed before move-out; check yours.

A pattern worth noting: most of these are areas that don't get touched during regular weekly or biweekly cleaning. They're the "once in a while" spots, and a lease often runs a year or more between move-ins, which means they can go completely untouched the entire time you live there. That's why a move-out clean is genuinely different from a regular clean, not just a bigger version of it.

Another honest observation: carpet is its own category. If the lease requires professional carpet cleaning at move-out, a vacuum and some spot treatment will not satisfy that requirement, and landlords in this area do ask for the receipt. Check your lease language before assuming a thorough vacuum is enough.

For renters weighing the DIY versus hire decision, a useful gut check is honesty about the last time each of these spots was actually cleaned, not just tidied. If the honest answer is "not since I moved in," budget real time for it, or consider bringing in help. Shar's Cleaning Services handles move-out cleaning for renters in Bloomfield and the surrounding towns and works from this same kind of checklist, since it matches what most local landlords and property managers are actually looking for.

FAQ

How far in advance should I clean before a move-out inspection?

Clean after all your belongings and furniture are out, not before. Furniture hides dust, scuffs, and stains that only show up once the room is empty. If you're hiring a cleaning crew, schedule them for after the moving truck leaves, ideally the same day or the day before your final walkthrough.

Can a landlord charge for normal wear and tear?

Generally no. Connecticut law distinguishes between normal wear and tear, which a landlord cannot deduct for, and actual damage or uncleanliness beyond normal use, which they can. Faded paint or slightly worn carpet from years of living there is typically wear and tear. Grease buildup, stains, or an uncleaned unit is not. If a deduction seems unfair, ask for an itemized list and photos, which landlords are generally required to provide.

Is it worth hiring a cleaner just for move-out even if I clean regularly myself?

Often yes, specifically because of the "once in a while" spots listed above. Even a well-maintained apartment can have a greasy oven interior or dusty fan blades that regular cleaning never touches. A one-time professional clean at move-out can cost less than what a landlord might deduct for those same items.

What should I do if I can't get everything done before the walkthrough?

Prioritize the items most likely to be inspected: kitchen appliances, bathroom fixtures, and floors. If you genuinely run out of time, ask your landlord if you can complete a specific task within a day or two rather than losing part of the deposit outright. Not all landlords will agree, but it costs nothing to ask.