Very satisfied with the work John and his crew performed for a mice infestation as well as snakes in the basement/attic. John also returned twice as followup to ensure there were no further problems, even giving me free snake boards and extra mice packets.His price for the total job was very reasonable for the work performed, considering I had estimates from $4,500-$13,000! He didn't showup for the estimate with clipboard in hand and immediately start to sell a yearly contract to me and when we went down to the crawlspace, he jumped right in to look around. THAT impressed me, when the other 5 companies wouldn't even peek into there. I have recommended Potomac Pest Control to 3 friends since the job was completed.