Reliable & Good Flood Map / Tool for Houston area?

[Rick Alvi]

Hey guys,

I hope you all are ok after the intense rain and flooding we experienced. What flood maps or tools do you like to use? I like the Harris County Flood Education Map Tool but unfortunately it's glitchy and only works sometimes... with this said... what websites, tools, maps, etc. do you all like to use when considering real estate? I might as well ask another question since on this topic, is there a way to determine flood insurance costs and comparisons using the tools for the Houston and surrounding areas? Looking to buy my first primary residence this year. 

-P