SKYDB Building database

Tall buildings worldwide, with heights, construction status and the companies involved.

Rankings of tall buildings

Tall Building Markets

Tall buildings, tracked.

SKYDB is collecting verifiable information about buildings.

Panorama of Portland File 523-943-919
structure #846454881building

Hotel Alder

existing 4 floors 1910

Location of Hotel Alder

Object dataJoin to edit

Floors4
Completion1910
Last Renovation2005
Structural Formlow-rise building
Main Usagehotel
Status existing
Address521-533 SW 4th Avenue
Smart Address521–533 SW 4th Avenue
Smart Address415 SW Alder Street
CityPortland, OR
CountryUnited States
Source: SKYDB | As of: 2026-10-18

Rating

The rating reflects architectural quality and visual impact as judged by SKYDB users, and feeds into how this building is ranked across the site.

Files Join to upload