Precious metals (Au, Pt, Pd, …) are of high values and can be extracted via urban-mining instead of the traditional ore-mining processes. The higher density of these elements in electronic waste, industrial catalyst leachates, jewelry wastewater, … than in ores render recovery strategies from these waste sources more economical and environmentally beneficial. The biggest challenge for such methods is to achieve a high selectivity for the extraction of the metal of interest. We have successfully developed a series of porous porphyrin-based polymers for selective adsorption of precious metals especially gold from electronic waste with both high capacities and selectivity. Critical design features involve 1) strong binding of porphyrin rings to precious metal ions due to matching size between the rings and the metal ions and robust coordinating ability from nitrogen atoms, 2) enhanced contact surface owing to high porosity of the polymers, and 3) feasibility of synthetic protocol allowing scale-up potential. We anticipate that these principles could be extended to polymers built upon phthalocyanine core which is structurally similar to porphyrin with otherwise additional nitrogen sites and hence can exhibit improved recovery strength.