I assume that you would be working primarily out of the office in Laurel.If so,I'd concentrate on housing in Anne Arundel county or southern Howard county.Laurel is split between Prince George and Howard-for many reasons I'd stay away from PG county.If children are involved,the school situation may make your commuting decisions for you.

BWI is easily accessible from Laurel via the BW Parkway or even 95,depending on your location.It's easier than IAD or Reagan,although we do use IAD for most international trips.MARC and Amtrak both have stations at BWI.

As for DC-if you will be going in often,Metro access is helpful.Otherwise for the occasional trip,you can drive to any Metro station and park for the day.

Good luck- the Baltimore-DC area is a wonderful location.