Search for what to check at an apartment viewing and you will be handed a list of thirty-three things. Nobody works through thirty-three things while a leasing agent waits by the door. And most of those lists come from rental platforms — companies that make money when a unit gets rented. A checklist can comfortably tell you to test the water pressure. It is much harder for a rental platform to tell you the right move is to leave.
So this article does two jobs. The first half is what to check, in an order you can actually finish in the time you get. The second half is the part that keeps getting left out — how to tell the difference between a flaw you can negotiate, a flaw you photograph on day one and stop worrying about, and a flaw that should end the visit.
A yardstick that is not our opinion
Deciding what counts as a real problem is the hard part, and a first renter has no experience to measure against. So it helps to borrow a standard from someone who had to write one down.
When the federal government helps pay for a rental, it inspects the unit first, using a standard called NSPIRE — the National Standards for the Physical Inspection of Real Estate. What makes it useful here is not the inspection. It is that HUD had to decide, in writing, which conditions in a home are dangerous and how dangerous each one is. NSPIRE sorts the defects its inspectors look for into four categories by risk, each with its own deadline for fixing it — twenty-four hours at the top, sixty days at the bottom, varying by program. The ranking is the useful part, not the clock:
- Life-threatening — a high risk of death or severe illness or injury. The top of the scale, and the fastest deadline HUD sets.
- Severe — a high risk of permanent disability, or serious injury or illness, or a resident’s physical security seriously compromised.
- Moderate — a moderate risk of an adverse medical event, temporary harm, or a chronic condition made worse.
- Low — in HUD’s own words, deficiencies that are “critical to habitability but do not present a substantive health and safety risk.” The bottom of the scale, and the longest deadline.
One thing to be clear about, because it matters. NSPIRE is how HUD inspects housing inside its own programs. It is not a rule a private landlord is breaking, and quoting it at a leasing agent will not achieve anything. Its value to you is different: it is a published answer to the question you cannot answer on your own — which of the things you are looking at are cosmetic, and which are not. Rules that bind a private landlord come from your state and city, and they vary; that is a separate question from the one this article is answering.
The list of what an inspector examines inside a unit is also public, and it is a better viewing checklist than most viewing checklists: bathtub and shower, cabinets and storage, carbon monoxide alarm, ceiling, entry door, drains, egress, electrical outlets and switches, GFCI outlets, the electrical service panel, the cooking appliance, floors, heating and cooling, infestation, gas or oil leaks, sewage leaks, water leaks, interior lighting, mold-like substance, potential lead-based paint hazards, refrigerator, sinks, smoke alarm, stairs, toilet, ventilation, interior walls, water heater, and windows.
You cannot do all of that in the time a viewing gives you. You can do a surprising amount of it, and the order below is built to surface the expensive problems first.
Ten minutes before you go
Confirm the place and the person are real. The FTC suggests searching the address alongside the owner or rental company name: if other ads appear for the same address under a different name, that is a sign of a scam. If you are asked to pay before you have been inside, or given a reason the unit cannot be shown, the FTC’s advice is to walk away. We cover this in full in our guide to rental listing scams and what to check before you send money, so here it is only the pre-viewing version: verify first, visit second, pay last.
If the building went up before 1978, you have a specific right. Under the EPA’s Lead-Based Paint Disclosure Rule, for most pre-1978 housing a landlord has to disclose known lead-based paint and hazards, hand over any records and reports they already have, and give you the EPA’s Protect Your Family From Lead In Your Home pamphlet, along with a Lead Warning Statement attached to or written into the lease — all of it before you sign. There are carve-outs, including studios and other zero-bedroom units, leases of 100 days or less, and housing certified lead-free. You can ask the landlord to have the paint inspected; the rule does not require them to agree. Asking at the viewing costs nothing, and the answer you get is itself information.
Bring three things. Your phone, for the flashlight and the camera. Your phone charger, which is the fastest way to find out whether an outlet has power. And a rough idea of the measurements of anything large you already own, because a room that cannot hold your bed is a real problem that looks like no problem at all during a walk-through.
The walk-through, in the order that finds problems fastest
1. Water first, because water damage is the expensive kind
Turn on every tap, hot and cold, and leave the kitchen and bathroom running while you keep moving. Flush the toilet. Then come back and look underneath: open the cabinet under each sink and put the flashlight on the trap and the wall behind it. You are looking for standing water, a swollen or crumbling cabinet floor, and rust or mineral trails on the pipe joints. NSPIRE treats water leaks, sewage leaks and gas or oil leaks as their own standards for a reason. A slow leak under a sink is not a cosmetic issue; it is a cabinet, a floor and sometimes a ceiling below.
Check the ceiling of every room while you are at it, especially in the corners and under any bathroom that sits above. A dried brown ring means water got in at some point. It does not tell you whether the cause was ever dealt with, and that is worth asking about directly.
2. Smell the place before you get used to it
Your nose adapts to a room quickly, so the first moments after you step in are the only ones that tell you anything. Damp, musty air in a closed apartment on a dry day is worth taking seriously. NSPIRE has a standard called mold-like substance, and the wording is deliberate — an inspector is not diagnosing anything, only recording that something is there. You are in the same position. You are not there to identify a species. You are there to notice whether the bathroom has any working way to clear damp air – a window that opens, or a fan that actually pulls. Damp air that has nowhere to go stays in the room.
Open the bathroom fan, if there is one, and hold a piece of tissue paper against it. If the paper does not hold, the fan is barely moving air. It is a rough check rather than a real measurement, but a fan that cannot hold up a tissue is not clearing a shower.
3. Pests, and what to actually look for
This is the item renters raise most and check least, because it feels rude. Do it anyway, quietly, while you are looking at something else.
The EPA’s guidance on finding bed bugs gives you a usable rule: if a crack will hold a credit card, it can hide a bed bug. In an empty unit, the places worth a flashlight are the joints of any built-in drawers, the seams where the wall meets the ceiling, loose wallpaper or trim, and the edges of electrical outlet covers. What you are looking for is not the insect. It is the evidence: rusty or reddish stains, dark spots that bleed into fabric the way a marker does, and pale shed skins about a millimeter long. If the unit is furnished, the mattress piping, seams and tags and the cracks of the bed frame are the first place to look.
The EPA also makes a point worth carrying with you: bites are a poor indicator. They can look like bites from other insects, or like a rash, or like hives, and some people do not react at all. Evidence beats symptoms.
For roaches and mice, open the cabinets under the sink and the drawer nearest the stove, and look in the corners. Droppings, a scattering of dark specks along a cabinet edge, or fresh bait stations tucked behind the toilet all answer a question you were about to ask out loud.
4. Electrical, using the charger in your pocket
Plug your charger into an outlet in each room and watch for the light on the plug. It takes seconds and finds dead circuits a landlord may not know about. It proves power is reaching that outlet, not that the wiring behind it is sound — but a dead outlet is worth knowing about before you move in.
Then look specifically at the outlets near water — beside the kitchen sink, in the bathroom. A GFCI outlet is the kind with the small TEST and RESET buttons on its face, and it exists to cut the power fast enough to matter when electricity and water meet. NSPIRE makes GFCI protection its own standard and accepts either a GFCI outlet or a GFCI breaker in the panel — and one GFCI outlet can protect others wired downstream. So a plain outlet by a sink is not proof there is no protection. Ask whether the outlets near water are protected, not whether that one has buttons.
Find the electrical panel – check closets, hallways and utility spaces – and open it. You are not diagnosing anything. You are checking that the breakers are labeled and that nothing inside is scorched, rusted or obviously improvised.
5. Alarms, doors and the way out
Look for a smoke alarm in the sleeping area and a carbon monoxide alarm if there is anything in the building that burns fuel — a gas range, a gas water heater, a furnace, an attached garage. Both have their own NSPIRE standards, and a missing or dead alarm sits in the categories that have to be fixed fastest. Press the test button. If the ceiling mount is empty, or there is a plastic shell with no battery in it, you have learned something about how the building is maintained, not only about that one alarm.
Then the entry door. Does the deadbolt turn without being forced, and does the door actually close against its frame? Open and close every window, especially any bedroom window — NSPIRE has a standard for egress, which means a way out that works. A bedroom window painted shut is a window you cannot leave through.
6. Heat, cooling and the things that go untested in the wrong season
Ask to try the heat in summer and the air conditioning in winter. It feels absurd, and it is the check people skip — the equipment you do not test is the equipment that fails when you need it. Some systems will not run far outside their season, so a refusal to start is not proof of a fault. Either way, ask when it was last serviced and who gets called when it breaks. If it does run, give it a few minutes and put your hand near a vent before you leave.
Find the water heater. You do not need to assess it; you need to see it exists, is not visibly rusted at the base, and is not sitting in a puddle.
7. The two minutes outside the apartment
Walk the hallway, the stairwell and the entrance the way you would at eleven at night. Look at the lighting, the state of the mail area, whether the main door latches behind you, and what the trash area looks like. A unit shown to you may have been cleaned for the viewing. The hallway and the stairwell are not staged for anyone, which makes them the more honest sample.
What to ask, and how to hear the answer
Four questions do most of the work, and the value is as much in how they are answered as in what is said.
- “What was repaired in here before it was listed?” What you want is an answer specific enough to check – what was done, roughly when, and by whom. A vague answer is not proof of neglect, but it leaves you nothing to verify.
- “How do I report a repair, and who comes?” You are listening for a system — a number, a portal, a name — rather than a reassurance.
- “Why did the last tenant leave?” You may not get a real answer. Ask anyway, and notice the pause.
- “What is the full monthly cost, including anything that is not rent?” Fees, parking, trash, pest control and utilities all belong in the number you compare against other units. Our move-in cost guide covers the upfront side of that in detail.
One more thing about the conversation. A landlord or agent is allowed to ask about your income and rental history, and to screen you. What they do not need from you at a viewing, before you have agreed to rent anything, is your Social Security number or a copy of your credit report — the FTC makes the same point about rental scams, noting that a landlord who screens you normally pulls your credit themselves rather than asking you to produce it. If you have thin credit or no rental history, there is a better way to handle that conversation than being caught out at the door, and we walk through it in renting with no credit history. What a screening report contains and what you can do about errors in it is covered in our guide to tenant screening reports and your rights.
Sorting what you found: negotiate, document, or walk
Here is the part the checklists leave out. You will find something. The question is which pile it goes in, and that needs a test rather than a list. The test: is this only about appearance, or is there a sign the condition behind it is still live? Press it. A mark that is dry and firm is a mark. One that is soft, damp, spreading, or sitting under a smell is a symptom. Same for a cracked tile over a hollow-sounding floor, or fresh paint in one corner of a ceiling. Pure appearance goes in the document pile; anything still live belongs in one of the other two. If you cannot tell, ask what caused it — the answer, or the absence of one, tells you more than the mark does.
Negotiate before you sign
Things that are fixable, visible, and cheap enough that a landlord can say yes on the spot: a missing alarm, a dead outlet, a painted-shut window, a broken blind, a fan that does not pull. Ask for them in writing as part of the lease, not as a promise in a hallway. A promise in a hallway is not a repair.
Document and move on
Damage that is only about appearance, and that passed the test above: scuffed paint, a chipped counter, worn carpet, a cabinet door marked by something dry and firm. None of that makes an apartment unsafe, and none of it has to end a visit – though you are entitled to turn a place down simply because you do not want to live with it. What it does need is a photograph on the day you get the keys, because damage you did not cause is only your problem if there is no record that it was there first. That is a whole job of its own, and it is the difference between getting a deposit back and arguing about it — our move-in inspection guide covers how to document a unit properly, and what to do when a landlord keeps a deposit covers what happens if it goes wrong anyway.
Walk away
This is a short list on purpose, and it is our judgment rather than anybody’s rule. HUD’s categories say which conditions it treats as most serious; they do not tell a private renter when to walk, and we are not going to dress an opinion up as a federal standard. This is where we think the line sits for a first lease.
- The smell of gas, anywhere. Leave, and report it.
- Active water coming in — a leak running while you stand there, a soft or spongy floor, a sagging ceiling.
- Clear evidence of a live infestation – droppings, shed skins, or the stains described earlier. The EPA notes that early infestations are genuinely hard to spot, so evidence you can find in a short viewing suggests this one is not early.
- An electrical panel that is scorched, rusted, or visibly improvised.
- A bedroom with no usable way out except the door – a window painted shut, or one that opens onto nothing. What counts as a required escape route depends on local code, but a window that will not open is not one.
- No smoke alarm anywhere, and no straight answer about when one will be fitted. The alarm is the inexpensive part. A missing one that nobody will commit to fixing is the finding.
- You are kept out of the unit you would actually be renting – or shown a different one without being told that is what is happening. The FTC treats not being able to see a place before you pay as a scam warning. A model unit is fine when it is disclosed as one; an undisclosed swap is not.
- You are pushed to decide or pay immediately. Pressure is not a market condition. It is a technique.
Do not pay to find out
The expensive mistake at this stage is not choosing the wrong apartment. It is applying to one the viewing already answered for you, because the visit felt like an investment and walking away felt like waste.
An application fee may not be refundable, and what it can be charged for varies by state and by landlord — worth asking before you hand it over. Either way, if the viewing already answered your question, paying will not change it. The same goes for anything you are tempted to buy for a place you have not signed for: measuring for curtains before there is a lease is how people end up owning curtains for a window they never had. That instinct keeps until the keys are in your hand — our guide to renter-friendly storage in a small apartment will still be there.
Seeing more than one place is not indecision — it is how you learn what the money in your market buys. But do not turn that into a rule that costs you a home: in a fast market, a place you are happy with can be gone by the time you have toured three more. The point is not to delay. It is to stop paying to find out what you already know.
The short version
Verify the listing and the person before you go. Run the water, smell the air, look in the cracks with a flashlight, plug in your charger, test the alarms, open the windows, run the heat out of season, and walk the hallway. Then sort what you found into three piles: ask for it in writing, photograph it on day one, or leave.
The viewing is the last moment the decision is still entirely yours and still costs nothing. After the application fee, and long after the lease, it is a different conversation. If you are working through the whole process rather than just this one step, our first apartment guide lays out the stages in order.
Sources
- U.S. Department of Housing and Urban Development, NSPIRE Terms and Definitions and NSPIRE Standards.
- U.S. Environmental Protection Agency, Real Estate Disclosures about Potential Lead Hazards.
- U.S. Environmental Protection Agency, How to Find Bed Bugs.
- Federal Trade Commission, Rental Listing Scams.