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Updated over 4 years ago on . Most recent reply
![Daelin Martins's profile image](https://bpimg.biggerpockets.com/no_overlay/uploads/social_user/user_avatar/1358062/1695169949-avatar-daelin.jpg?twic=v1/output=image/cover=128x128&v=2)
Properties that are very old
So I’m currently looking at a duplex that was constructed in 1910. I have a question that could come with many answers. What are some of the main questions and concerns I should be asking/looking for when dealing with a building that is so old. I can take all the help I can, it would be my first deal ever by the way!
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![Aaron K.'s profile image](https://bpimg.biggerpockets.com/no_overlay/uploads/social_user/user_avatar/349588/1621445918-avatar-aaronklatt.jpg?twic=v1/output=image/crop=2448x2448@407x0/cover=128x128&v=2)
The big ones in order of likeliehood
1. Knob and tube wiring, or other wiring that is no longer in use
2. Non- copper or PEX plumbing, such as galvanized pipe
3. Lead paint
4. Asbestos insulation or asbestos used in a variety of products (this one is harder to know and is probably only going to be found by an inspector)
5. Other things that are going to be region specific like things to do with basements, boilers etc.
Something else to be aware of in construction this old is that a lot of the wood used is actually measured "as advertised" If you walk into Home Depot today and buy a 2x4 it doesn't actually measure 2 inches by 4 inches, Much of the older construction used wood that actually was 2 inches by 4 inches so some measurements can be off if you are trying to do work and wonder why things aren't lining up the way you thought they should.