>>2622175
Don't tell the landlord shit. If they already know you jacked the place up then ignorer this advice and buy some lube for your ass.
Get at least three quotes from different people/companies for the repairs. Make sure you are talking to the person who will be doing the repairs. Not the boss, not the sales person, the one who does the work. The other fuckers, through incomitance or malice, will probably quote you wrong and its a hassle to sort out. Ignore highball offers. They either think you are stupid or don't want to actually do the work and are giving you a 'fuck off' quote. If someone gives you a really low offer don't discard it out of hand. Someone people really are just inexpensive and a good deal but make sure you have it in writing and that the contact states that they are responsible for overages. Also though, don't go with the cheapest just because they are cheap. For work under a certain cost you don't need a contractors license but it is almost always better to go with someone who has one, even if they generally charge a bit more. They have more to lose if you complain, are held slightly more accountable, and generally have to be bonded. They are less likely to snort your money and leave things half finished.
DL, DR:
Don't tell the landlord. Pay for it yourself. Make sure the repairs are good enough that they won't even notice. If they call you on it act like it was never damaged. Don't cop to shit. Be prepared for small claims court regardless.