[4] The luminosity class of NGC 3504 is I-II, with a broad HI line containing regions of ionized hydrogen.

Compared with other barred spiral galaxies, NGC 3504 is in an early phase of its evolution.

[7][8] It has a bright point-like nucleus embedded inside its galactic budge that is crossed by a thin bar.

It has spiral arms found wrapping around its inner ring which then peels off to form an outer, broken pseudo-ring.

[11] The supermassive black hole in NGC 3504 is estimated to be 107.8 M○ (or 63 million solar masses), according to near-infrared K-band brightness measurements for the galaxy's budge.