This is due to the sensitive and confidential nature of the information handled within such systems, as companies have strict policies to protect data security and privacy.

The company that wrote the note to you can just walk and your only recourse as stated is the property.. but there could be some securities issues here like what happened to the Cohen's ..

Do I need a Security attorney?

Quote from @Michael K Gallagher: If you are looking for a commercial or professional solution then I'm sure someone here will weight in, but I've had an oldschool like gen 1 ring camera system and security at my rental since 2018 and the back camera with the spot lights has just started to break down. 

Now if you need something called and Xactimate which is required by insurance companies to detail every thing down to the cost of each nail, this may cost you anywhere from 100-300 dollars and is usually done by a public adjuster that has the software for it, because normally the insurance company sends there adjuster and you can never trust their reports because they're trying to pay the least amount possible to the homeowner, I've had jobs where the insurance company tries to payout 20k for a job that's 70k and  if this is the case hire a public adjuster to give you real numbers that reflect the cost properly.

As many of you know, Texas is a non-disclosure state, so public records and most tools don't show true sale prices, just estimates.Here’s what I’ve found so far:PropStream – Great tool, but it uses estimated sale prices, not actual MLS comps.Bright Investor – Integrates with RealEstateAPI, but I’m unsure where that API sources its sold data.CoreLogic – From what I understand, it likely pulls from MLS, but it seems to be geared toward enterprise or large-scale institutional use.Plexerr – I’ve reached out to them directly to ask where their sales data is coming from, waiting to hear back.Ideally, I’m looking for a service (paid is fine) that:Pulls real MLS sold data for TexasIs accessible to investors (not just agents with MLS access)Can be used for comping or market analysis at a detailed level

We've used DAWGS security system. 

IRS Publications are fine for basic tax questions.

Hopefully you have a signed estoppel saying rent amount, amount paid, security deposit amounts, who owns appliances, and any outstanding “promises”.

Most county records aren't public.