About restaurants, 1 possibilities exist (like "Bar Leśny").
For supermarkets you have 2 places with "Sklep ABC", "U Halinki" for example.
The main streets are the following: Sosnowa, Wesoła, Olszankowa, Braci Mniejszych, Słoneczna.
In term of bus you can find 4 places (like "Bus L-9: Komornica - Szkoła => PKP Legionowo", "Bus L-9: PKP Legionowo => Urząd Gminy => Komornica - Szkoła").
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on otodom.
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