Do you walk into a house without knocking?

I am surprised how many people leave their doors unlocked. Of course, I grew up in LA where everything is locked, even back when I was growing up. When I go upstairs for an extended period of time, and SO is not home, I close, and lock, the patio sliders. If I ever moved to a small town, I'd be the person people would gossip about being strange because I lock all my doors, even my car door.

Not all of them, but a good many are unlocked during the day, yes. 

I mean, growing up, we went in and out of all 3 doors of our house all day long and we went in and out of all of the neighbor's houses all day long, as well. 

But even today I know plenty of people who keep just one or two doors unlocked based on where they spend the most time during the day.  As I said we primarily kept our front door locked at our last house, but the back door was always unlocked.  Of course, if any of us were outside, then we had all of the doors unlocked so we could go in and out wherever we wished.

In my neighbor's house, for instance, the side yard is fenced for the dogs, so their side door is always unlocked, and that's where people like their adult kids enter when they go over, and they have a holler "Hello!" as they enter policy over there. 

No. But I also would never turn up to someone’s house unannounced either.

The only house that I let myself into was my parent’s home.  Mom had given me a key and we would knock and then immediately unlock the door, giving them just about half a minute to compose themselves before we popped around the corner.  I didn’t want them to have to get up and come to the front door to let me in.  And I would say probably 95% of the time they were in their matching recliners watching the news.  

Yes,  A few places.  My best friends, my parents, my brother’s, and a few other family members.  

Then there are some where I just knock and walk in

Then there are others that i knock and wait for them to answer.

We never knocked at either sets of the my grandparents.  One lived next door so I was in and out of there all the time.

It is common in our family to enter each other's homes without waiting for someone to answer the door. Often there's a quick knock and a yelling out "It's me/us" on the way in. I have keys or codes to all four of my children's homes - their wishes that I have it. They have the same to our home and are welcome to come and go freely.

We also have a number of friends that we do the knock-yell-and go right on in thing with. I like that sort of familiarity with close friends.

The only house I do, is my mother's.  It's because her hearing isn't all that good and she doesn't hear me pull up or knocking.  I will call her ahead of time and let her know I am coming.  She unlocks the door for me and is expecting me.

Everyone else, even my sister, who I am very close to, I knock. She does the same, but then again, we always keep our doors locked.  Even though we have keys to each other's houses, we don't use them when the other person is home, we just knock.

When my parents moved here, they were so excited to wake up in the morning and unlike their front door so family could just walk in. I do a cursory knock while I'm entering. Their grandkids also just walk in. They have our garage code, so they just come in to our house, but my mom always texts first.

When my daughter was still home, her friends used to walk right in. She'd regularly invite a half a dozen kids over to hang in the basement, and she couldn't hear the doorbell downstairs. I got sick of letting them in, so just started leaving the door unlocked and they'd walk in and give us a wave as they headed downstairs. I miss those days, now our front door is always locked.

Now if the door was locked and the person was there would never use my key to let myself in unless those were the instructions that I had been given…other than my parents.  That was my childhood home, I can’t even imagine having to knock on the door before going in. The only time I knock is if for some reason the door that I am trying to enter is locked and they are right there.  Otherwise I will go to a different door or go get my key which is in my car.

We leave our garage door to the house unlocked. If you know the code to get into the garage door, you can get in. 

All other doors are locked other than sometimes our door from the kitchen to the deck. It is 12 feet off the ground and no stairs. I thought it was safe. Then this summer we had a big ol' black bear shimmy up 12 feet of stucco (pole) and three feet of railing to get onto our deck (bird feeders). I explained to him that the deck was off limits and he left. I know bears can easily open sliding doors, so now that remains locked as well.