Step 1: Understand the primary responsibilities of an architect. Architects are responsible for designing buildings, planning structures, and overseeing construction-related aspects to ensure functionality and aesthetics.
Step 2: Analyze each given option:
- Option A: Designing buildings is a core responsibility of an architect.
- Option B: Architects often contribute to cost estimation related to construction, as it affects design feasibility.
- Option C: Periodic site supervision is essential to ensure that construction follows the design plans.
- Option D: Property tax estimation is a financial and administrative task, usually handled by government bodies or tax assessors, not architects.
Step 3: Since estimating property taxes is not part of an architect’s role, the correct answer is option D.