. >> reporter: realtor rosemary lalime: >> it makes it more difficult because i have to make sure theyght customs papers to own the property. >> reporter: the historic home was built in the early 1800s as a place to ease commerce between both countries. the nine-bedroom, five-bath estate is listed at $109,000 and needs about $600,000 in repairs. there is one other sticking point. >> reporter: this door has to stay locked all the time? >> absolutely. >> reporter: bolted shut. >> you step out that door and you're in canada, off the property, and subject to be arrested. >> reporter: border patrol offices for both nations are right across the street. u.s. customs and border protections' troy rabideau: >> it's always something we need o be cognizant of, is who is coming in, who is coming out. we do a pretty good job of monitoring it. >> i have a wonderful relationship with both sides. ipfeel equally u.s. and canadian. she slept in canada and he slept in the united states. >> reporter: demoulin does have dual citizenship, but that perk won't come along with the deed. michelle miller, cbs new

. >> reporter: realtor rosemary lalime. >> it makes it difficult. >> reporter: the historic home wasy 1800s as a plaus to ease commerce between both countries. the nine bedroom, five-bath estate is listed at $109,000 and needs about $600,000 in repairs. there is one other sticking poi point. this door has to stay locked all the time. >> absolutely. >> bolted shut. >> you step out the door, you're in canada, off the property, and subject to be arrested. >> reporter: border patrol offices for boast nations are right across the street. u.s. customs and border protections, troy rabideau. >> it's always snog be cogny sanlts of, who's going in, who's going out. >> i have a wonderful relationship with both sides. she slept in canada and he slept in the united states. >> reporter: he does have dual citizenship but that won't come along with the deed. >>> a nasa experiment caused a colorful predawn show in the sky. a rocket launched yesterday created artificial clouds that could be seen on the eastern seaboard. scientists tested a vapor they want to use for high altitude air currents. >> comi

. >> reporter: realtor rosemary lalime. >> it makes it more difficult because i have to make sure they have the right customs papers to own the property. >> reporter: the historiom was built in the early 1800s as a place to ease commerce between both countries. the nine-bedroom, five-bath estate is listed as $109,000 and needs about $600,000 in repairs. there is one other sticking point. this door has to stay locked all the time? >> absolutely. >> reporter: bolted shut. >> you step out that door and you're in canada, off the property, and subject to be arrested. >> reporter: border patrol offices for both nations are right across the street. u.s. customs and border protection's troy rabideau. >> it's always something we need to be cognizant of is who's coming in, who's going out. we do a pretty good job of monitoring it. >> i have a wonderful relationship with both sides. i feel equally u.s. and canadian. she slept in canada and he slept in the united states. >> reporter: demoulin does have dual citizenship, butt won't come along with the deed. michelle miller, cbs news, beebe plain, v