Any idea what kind of material that you want? With an undermount sink, you’ll be working with stone, concrete, engineered solid surface types.
If you go that route, shop around, call a couple of local installers. If you go with a stone, the price / sf will be based on type and the look. Typically the slabs are rated A-Z with expensiveness going up as the alphabet does.
For granite, you’re looking at 30-90/sf installed. Quartz, 50+? Solid surface 25-75?
Then you can go with other stones or even concrete.
Anyway, point of this is, your price points can be all over the place. I would go local though, and shop around. There are probably dozens of installers.
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