S4 Filming — Madison Square Area
E 26th–28th St between 5th Ave & Park Ave South
About This Location
Season 4 filmed across multiple blocks in the Madison Square neighborhood on Monday March 23, 2026 (4AM–11PM). The production notice lists the following blocks under a temporary parking hold: both sides of E 26th & E 28th Street; north side of E 27th Street between 5th Ave and Park Ave South; north side of Park Ave South between E 26th & E 29th Street; both sides of E 26th Street between Madison Ave and Park Ave South; south side of 5th Ave between E 26th & E 27th Street; west side of Madison Ave between E 26th & E 27th Street (half block).
Official HBO production parking notice posted publicly on-location, photographed by Reddit user u/I_mwilling2 on March 23, 2026.
Fan Sighting
Spotted by u/I_mwilling2 on Reddit — View original post
Official HBO production parking notice for Season 4 filming on March 23, 2026. Covers multiple blocks around E 26th–28th Streets between 5th Ave and Park Ave South — the heart of the show's Gilded Age Madison Square setting. Posted March 18, 2026.