Jensen / Ptaszynski Architects is an award-winning architecture practice in the San Francisco Bay Area. Areas of emphasis: residential, commercial, institutional and recreational building design. Offices are located in Lafayette and The Sea Ranch, CA. Portfolio includes luxury residences, builder developed houses, multi-family housing developments, large scale additions and small scale alterations. We have also designed several child care centers, a major credit union facility, corporate offices, commercial buildings and commercial tenant improvements.