Numbers aren't just numbers when you're buying a house. They carry weird weight—cultural baggage, old superstitions, even history that can totally mess with a sale. So what's the deal with "bad" house numbers? Honestly, the number 4 takes the crown as the most unlucky house number out there, especially if you're looking at East Asian cultures. But it gets complicated fast—depends where you are, what you believe, and whether you're into numerology or not. It's all about tetraphobia. In Mandarin, Cantonese, Japanese, Korean, and Vietnamese, the word for "four" sounds almost exactly like the word for "death." That's not a coincidence you want in your address. So in China, Japan, South Korea, and Vietnam, buildings skip the fourth floor entirely—you'll see "3A" or "5" instead. Houses with a 4 in the number? Good luck selling. This isn't just quirky folklore either—it affects pricing. Like, homes with a 4 in the address can go for noticeably less than identical ones without it. That's real money. Oh yeah, 13 is the Western version of the same problem. Triskaidekaphobia—fear of 13—comes from old Christian and Norse stories. Judas was the 13th guest at the Last Supper. Loki, the trickster god, showed up as the 13th guest at a Norse banquet and everything went to hell. So house number 13? Hard sell in the US, UK, Europe. Hotels skip the 13th floor, apartments avoid it, people literally ask for different numbers. Not as universal as 4 in Asia, but it's got real cultural teeth. Yeah, plenty. It gets weird and specific. Here's a table breaking down the most common unlucky numbers and why they're bad news: Numerology throws a different spin on it. Here you reduce the number to a single digit—like 174 becomes 1+7+4=12, then 1+2=3. That final digit tells you the "vibe" of the house. Some numbers work for some people, others don't. It's personal. Quick Checklist for a Good House Number (Numerology): Yes, in many East Asian cultures, 14 is considered even worse than 4 alone because it sounds like "certain death" (yi si). In Western numerology, 14 reduces to 5 (1+4=5), which is a number of change and freedom, not necessarily bad, but potentially unstable. It depends on your personal beliefs and the resale value. If you are not superstitious, the number is irrelevant to your daily life. However, if you plan to sell in a market where superstition is strong (e.g., a Chinese-majority neighborhood), a house with a 4 or 13 could be harder to sell and may command a lower price. Changing your official house number is difficult and often requires approval from local government or postal services. A common workaround is to simply use a different number on your mailbox or door (e.g., adding "A" or "B" to the number). In feng shui, you can "remedy" a bad number by using a mirror or specific colors, but this does not change the official address. In Chinese culture, 8 is the luckiest number because it sounds like "prosperity" or "wealth." In Western numerology, 7 is considered the most spiritual and lucky. Number 9 is also highly regarded in many cultures for representing completeness.Which number is not good for a house
Why is the number 4 considered unlucky for a house?
What about the number 13? Is it bad for a house?
Are there other numbers that are not good for a house?
Number
Region / Culture
Reason for Being "Not Good"
4
East Asia (China, Japan, Korea, Vietnam)
Homophone for "death" (si). Avoided in floor numbers, addresses, and phone numbers.
13
Western cultures (US, UK, Europe)
Associated with bad luck from Christian and Norse mythology. Skipped in many building floor plans.
39
Afghanistan
Associated with a notorious gang of thieves and pimps in Kabul. The number is considered a curse.
666
Christian-majority cultures
The "Number of the Beast" from the Book of Revelation. Represents evil and the Antichrist.
250
China
Slang for "idiot" or "stupid person." Having this house number is considered an insult.
How does numerology determine if a house number is good or bad?
Frequently Asked Questions about unlucky house numbers
Is house number 14 bad?
Should I avoid buying a house with a "bad" number?
Can I change my house number?
What is the luckiest house number?
Short Summary