You might also want to try posting on some job websites.

I worked with Martel Turnkey in Cleveland, OH to purchase a SFH but the prices are really on their website now compared to last year.

What are some websites/services that allow you to plug in specific characteristics of desired properties (for example, "I want to see a list of all properties in ______ area that are only 3 bed, 2 bath, 1000-1200 sq ft and owned by LLCs) and you are given a report of those properties. 

It is a numbers game and with drive, determination, and the right systems set up, you can certainly succeed in finding deals in any market.For motivated home seller leads, you should really invest in a good website with proper SEO so your buyers can also come to you.

You can go to the County website and find out if it's on the tax sale and it most likely is.

Are their any specific websites or rating agencies for Builders? 

The toughest part is starting off but there are websites like REWW.com that can help you connect with buyers/sellers through either phone calls or direct mail campaigns. 

PM company is advertising zillow and their website though. 

Did they have a nice website? 

If housing inventory is low or too pricey in the ‘hood you’ve set your heart on, you’ll only be in for disappointment after disappointment.Be proactive and expand your search to other neighborhoods that may offer the same amenities, such as walkability (handy tip: Check out the website WalkScore.com to see).