gm. Piaseczno, precinct no. 12
| Precinct | Precinct no. 12 |
| Office | Burmistrz Piaseczna |
| Siedziba Obwodowej Komisji Wyborczej | Ośrodek Kultury w Piasecznie, ul. Kościuszki 49 |
| Number of electors | 1,508 |
| Number of dispensed ballot cards | 597 |
| Number of valid ballot cards | 597 |
| Number of votes valid | 584 |
| Number of votes invalid | 13 |
| Protocol date | 26-11-2006 20:46 |
2nd ballot
| Number | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | % of votes* |
|---|---|---|---|---|---|---|
| 1 | Bernacka-Rheims Maria Małgorzata | 56 | wyższe | Siedliska, submitted by Komitet Wyborczy Platforma Obywatelska RP, not a member of any political party | 223 | 38.18% |
| 2 | Zalewski Józef | 50 | wyższe | Jazgarzew, submitted by Komitet Wyborczy STOWARZYSZENIE SAMORZĄDOWE CENTRUM, member of Polskiego Stronnictwa Ludowego | 361 | 61.82% |