You can also ask investors in your local real estate investors association for recommendations. 

I've had many beginning investors message me on BP who are in the Bay Area  or met them at local meet ups.

Personally I use my local regional bank where I’ve banked for years.

I have not received favorable terms from the local bank I worked with on the original loans, and they are unwilling to work with the RV Park whatsoever.This is in Clay County, Alabama.

After repairing and improving the usability of the home, I was able to get it rented out at the top of market.

Look at places like Texas, Florida, or parts of the Midwest for better returns.The key is building a strong local team (property manager, agent, contractors), visiting the market if possible, and making sure the numbers work after management costs.

@Gina Ventimiglia, since any type of property can be sold and 1031 exchanged you're going to want to market this everwhere anyway. 

local FB groups and the Next door app have worked well for me.

if you aren't stuck on boston which is a great market, there might be better price to rent ratios north into the 603, nashua, manchester all great growth markets, and no sales tax or income tax.

For a more comprehensive look at the Las Vegas investment market, feel free to DM me for a link to our blog.