Plan 6 This multi-family duplex is 1371 square foot per side with an upstairs loft with desk space! With a down stairs master suite, this duplex has everything! Name Please enter your name. Email Please enter a valid email. Phone Please enter a valid phone number. Your Message Please enter a message. Please check the captcha to verify you are not a robot. Info on - Stock Plan 6 Message Sent! Message failed. Please try again.