SO's Dad is annoying me!

Abena

So I've been living with my SO for 4 months now and my SO's Dad stops by on Sundays randomly 95%of the time he doesn't call. He said he used to text his son but wouldn't get an answer. So now he will text or call me to see if we are home and then just stop by. My issue is I can say, "Dad we are resting or getting ready to head out" and he will STILL stop over!

Last week he stopped by to cut the yard (or supervise my SO) after I told him we had already started cutting it but had to stop cause of the rain. My SO was super annoyed and felt babied by his dad and wasn't in a good mood at all for the rest of the day rightfully so.

That's the first thing he does. The 2ms thing he does is he will come over and start to inspect the place. When he came by last week he said he wanted to use the bathroom - we have two. He goes to use the upstairs bathroom and I notice he's looking into the bedrooms. Then after a while he goes to the one in the basement and comes back and asks whose "living" down there? Lol We will sleep down there from time to time cause we have a movie theater set up down there and a air mattress. It's very comfy on hot summer nights and kinda cool. I felt intruded on. I hadn't been down there in a few days but my SO had and had left some beer bottles and his clothes so it looked to my SO's Dad like a mess. It bothered me cause I hadn't or my SO had a chance to clean up for any guests. So my vent is basically I'm annoyed with my SO's Dad stopping by even when we say do not and him making himself at home and wandering around. My SO said he has done this for years before I moved in and while it bothers him he doesn't say anything anymore. But the issue is that I'm living there now and don't want to have to worry about leaving my bras in places guests aren't supposed to be anyways. Obviously we won't leave the living room, kitchen, or dining room a mess but I should be able to have my clothes on the floor as a gatdamn adult in my bed room if I want to. I am 30 years old and my parents haven't asked me to clean my room since I was 17!This is driving me nutts.

At this point my SO has resolved to just grinning and bearing it. Should I say something or leave it alone? Or if I do say something how should I say it? I like my SO's Dad and don't want to offend him but he's getting out of hand.

***update***

He did it again today! When he couldn't come yesterday cause we were out of town he said he was coming today instead just to graab a tool. He came over at 1030 am. I tried to drop hints my so had to drop me at work by 12 noon and he invites himself to ride along. My so needed to get my oil changed so I thought he wouldn't want to go with him for that but he did. My so waa annoyed cause he was tired from going to his friends wedding this weekend when he wanted to use these 4 days to rest (it was a destination wedding so we had to travel) so today was the only day he could rest before having to go to work. he planned to grill his ribs ,get my oil changed and relax. When he picked me up from work he was so angry. His dad apparently stayed up until 5 mins before he picked me up at 6pm. So that means he was with him for 8and a half hours. Like I said he loves his dad but he imposes on our time like crazy. A nice vist is an hour or so but 8 damn hours before he has to get up and go to work at 430 am the next day is rude. He does it every weekend. It upset me today cause my so was in a salty mood when he picked me up. At one point I had to not talk to him for a while (so I didn't snap at his mood ...mad cause he mad kinda deal)once we got home so he could calm down. he came and apologized to me saying his day/weekend didn't go as planned and it put him in a bad mood. He had his heart set on a nap while I waa at and grilling his ribs. I feel bad for my baby cause I know how hard he worked this week and he deserved the rest. Smh. I don't know what to say to his dad or if I should say anything but I don't like my man in a bad mood or not getting enough rest for his work week. An hour or two is fine but a while day is intrusive. It wouldn't be so bad but when he comes over he always has a list of things he wants his son to do...like he's lazy or something. My man works so hard and we take care of our house. His dad will be like..you need to cut the yard today on your day off or you need to plant these vegetables (we have a garden) and my so is like...yea I planned on doing that on xyz day when I have energy. But his dad guilts him into doing it like otherwise it won't get done or something in addition to looking in rooms....its crazy. Vent over!