Pet stained boards were taken up and replaced w/ new wood. We then stained the boards to match the old floor. You’d never know a repair was done!
Here is an unfinished red oak hardwood flooring we installed and site-finished in a natural color/semi glood urethane.
Here are some more hardwood floors … both pre-finished
On the left is a pic of treads and risers we installed. On the right is an older oak floor we refinished and stained.