There may be instances where you want to put the carpet down first.
Install baseboard or carpet first.
If you are not intending to install quarter round or base shoe the baseboard.
Generally the installation of carpet or baseboard is easier for whoever installs first.
Baseboard installed on top of carpet should be installed at approximately the same height with this exception.
The first is to install the baseboards flush to the subfloor prior to carpet installation.
Which comes first carpet or baseboard.
Or you may be replacing the baseboards but leaving the carpet.
A really thick shag carpet can make it difficult to judge how high to place the trim.
Some professionals may have a strong preference but ultimately baseboards can be installed before or after carpet.
Many builders do not install flush to the floor compensating for height of carpet.
How to install carpet first.
The baseboard goes in first always the carpet installers don t like this if they have to install new thicker baseboard for the customer they have to remove the old tack and install new this is very time consuming and their usually on piece work.
This could result in a tight fit based upon how close to the wall the tack strips are placed normally the old tack strips are not replaced when installing new carpet.
Nice taller baseboards should frame the room first prime caulk and base coat as above before you install carpet.