People rarely walk into a bad tattoo. They walk past four or five signals on the way in and choose to ignore all of them. The Instagram portfolio looked fine enough. The shop seemed busy. The price was right. A friend said they'd been there once.
The signals are not hidden. They are on the wall, on the counter, in the artist's consultation style, and — most of all — in how the shop treats sterilization. This guide is ten red flags to read before you sit in the chair, and a few green flags to look for instead. None of this is esoteric. It is the same quality bar a serious artist would apply when choosing where they themselves would get tattooed.
1. A shallow or suspiciously polished portfolio
The first place to look is the portfolio. Open Instagram, open the shop's website, and look at two things: depth and healing.
Depth means variety. A real working artist has dozens, often hundreds, of posts. Different styles. Different body placements. Different scales. Work-in-progress shots. Healed shots. Shots that aren't perfectly lit. A portfolio that is ten perfect pieces and nothing else is either a new artist (fine, but price accordingly) or an artist borrowing work.
Healing is the harder test. A fresh tattoo looks better than a healed one — the colors are saturated, the skin is pink, the contrast is sharp. Two weeks later, the tattoo has lost 15–30% of that punch. Portfolios that contain only fresh work are easy to fake. Portfolios that contain healed work, clearly labeled and clearly from a client returning weeks later, are the real thing.
Watch for AI-generated portfolio tells: inconsistent line weight in ways human technique doesn't produce, backgrounds with nonsense anatomy, text that doesn't resolve into actual letters, tattoos that sit on skin in ways physics won't allow. AI fakes are getting better; they are not yet good enough to fool a careful look.
2. Sterilization you can't see
The single most important signal in any tattoo shop is sterilization — not because it's hard but because it's impossible to fake once you're paying attention.
Here is what you should see, every time, without asking:
- Needles and cartridges opened from sealed packaging in front of you, immediately before use
- Fresh gloves put on in front of you, and changed between any non-tattoo action (answering the phone, touching a doorknob, handling cash) and returning to work
- Ink caps poured from the main bottle into single-use cups, and thrown away after the session
- Work surfaces covered in plastic film that's replaced between clients
- An autoclave visible, or at minimum a sterilization room you can glance into
If any of those are missing, leave. If you have to ask — "Where do you sterilize your equipment?" — and the answer is vague, leave. A serious shop will volunteer this information without being asked, because it's what they lead with.
3. Prices too low to be real
The math of a tattoo is not a mystery. A single-use needle cartridge costs a few dollars. Sterilization has a fixed cost. The artist's time has a minimum value. A standard shop minimum in a real city in 2026 is $80 to $150 for reasons that are not negotiable — that is the floor under which the shop loses money on the session.
A $40 sleeve, a $20 small piece from a shop that isn't doing it as a walk-in loss-leader, a "full back for $500" — these are signals that either something is being skipped (sterilization, needle quality, artist time, or the artist's honesty about their skill) or you are being baited and the price will change once you're in the chair.
The right question is not "how cheap can I get this tattoo." It is "how much does it cost to get this tattoo done correctly by someone who has been doing it for long enough to make it last." Those two questions have very different answers.
4. No deposit required
Serious artists require deposits. $100 to $500, non-refundable, applied to the final cost of the tattoo. The reason is simple: designing a custom tattoo takes hours of the artist's time before the needle touches skin, and deposits ensure that work gets paid for even if the client cancels.
A shop that does not require deposits is signaling one of three things: (1) they don't do custom work, (2) they have enough walk-in volume that deposits are friction that costs them revenue, or (3) their artists don't value their own design time.
None of those are necessarily deal-breakers — a good walk-in shop may not ask for a deposit on a small piece — but they should match what you are actually asking for. If you are booking a $2,000 custom sleeve and no one mentions a deposit, you are in the wrong shop.
5. "Yes" to everything, including the obviously bad idea
The best artists will tell you your idea is bad. They will not be rude about it, but they will push back on placement, sizing, contrast, or aging. They have tattooed thousands of people and they know which ideas hold up over ten years and which do not.
An artist who says yes to everything is either inexperienced, not confident enough to push back, or does not care about your outcome. The rib-cage script tattoo that will blur into a smudge by age thirty-five. The micro-portrait on a forearm that will lose all detail by year three. The all-white-ink piece that will look like a scar in six months. A real artist will explain why each of these is a bad idea and propose a better path.
If every conversation ends with "sure, we can do that" with no friction, you are not in a conversation with an artist. You are in a conversation with a vending machine.
6. Visible shop hygiene problems
Walk in with your eyes open. What does the waiting area look like? What do the floors look like? Are the surfaces around each station wiped down? Are ink caps covered when not in use? Is the trash overflowing? Is there visible dust on the shelves?
Shop hygiene is not about whether the place is decorated well. It is about whether the people working there treat the space like a clinical environment. A shop with visibly dusty surfaces, cluttered stations mid-session, or a client bathroom that hasn't been cleaned in a week is telling you about its sterilization protocols without saying a word.
7. Missing worker permit on display
In Clark County, every tattoo artist must hold a current body art worker permit issued by the Southern Nevada Health District. Shops are required to make these permits available for inspection. Most reputable shops display them prominently — usually framed near the front desk or at each station.
If you cannot spot a worker permit for the artist who is about to tattoo you, ask. A legitimate artist will show you theirs without hesitation. An artist who gets defensive about the question — or who claims the permit is "being renewed" but can't produce it — is a signal.
This test is specific to Clark County, but most jurisdictions have a similar permit requirement. The local version is worth knowing before you sit.
8. Aftercare instructions that are verbal, generic, or missing
A real shop hands you written aftercare instructions at the end of the session. Printed sheet, branded card, or a link to a detailed page on the shop's website. The instructions include:
- What to do in the first 24 hours
- When to unwrap, how to wash, what ointment to use
- What's normal during healing and what's not
- A phone number or contact for questions
"Just keep it clean, you'll be fine" is not aftercare. Aftercare that is copy-pasted from a Google search and hasn't been updated in a decade is barely better. The shop's aftercare document is a signal of how much they actually care about whether your tattoo heals well — because a tattoo that doesn't heal well is their portfolio, too.
For what good aftercare actually looks like, see our aftercare guide.
9. High-pressure booking tactics
"I just had a cancellation in 20 minutes, want to come in right now?" is a red flag, not a deal.
Real artists are booked out. They have waitlists. When you ask about a custom piece, the next available slot is three weeks, two months, or six months away. An artist with instant availability for a custom design is either new, not working out (clients cancel on them), or not serious about design time.
High-pressure tactics extend to upsells and add-ons during the session. "Since we're already here, let's add color" while you're lying on the table is not a conversation you should be having. Decisions get made in the consultation. Everything in the chair should be what you agreed to before the needle was out of the packaging.
10. Refusal to consult on anything custom
Any artist who will sketch a $2,000 back piece without a sit-down is the wrong artist. A consultation — 30 minutes to an hour, sometimes free, sometimes deposit-eaten — exists because custom work requires the artist to understand the body, the style, the reference material, and the client's taste before they can produce a design that will hold up.
An artist who says "just send me a picture and I'll tattoo it Tuesday" is not doing custom work. They are doing a flash reproduction of whatever you sent. Which is fine — if that's what you asked for. If you asked for custom, the workflow should match.
A few green flags worth looking for
- The artist asks questions about your existing tattoos, your skin tone, your lifestyle (sun exposure, water contact, job requirements), and your long-term plans for other work on the same body part.
- The consultation includes a frank conversation about placement, sizing, and aging — including "I don't think this works here, let me show you why."
- The shop displays worker permits, autoclave spore-test logs, and often a framed SNHD establishment permit.
- The deposit is non-refundable, documented, and receipted.
- Aftercare is printed, the artist walks through it before you leave, and the shop has a mechanism for you to reach them afterward with questions.
- The artist says no to at least one thing in your brief — and explains why.
The short version
If you are paying attention, bad shops tell you they are bad shops within fifteen minutes of walking in. Shallow portfolio, invisible sterilization, suspiciously low prices, and a consultation that is all "yes" are the four signals that cover most of the problem. Everything else on this list is supporting evidence.
For what custom work actually costs when priced honestly, see our custom tattoo pricing guide. For the aftercare that makes the difference between a tattoo that ages well and one that doesn't, see our aftercare guide.
