| Business | Phone |
| A & S Real Estate Appraisers 114 Redan Dr, Smithtown 11787 | (631) 724-6424 |
| Mls Property Appraisal 444 Route 111, Smithtown 11787 | (631) 715-3410 |
| Emerald Appraisal Inc 18 Reeves St, Smithtown 11787 | (631) 724-5555 |
| Grillo & Ross Realty Ltd 37 Merrivale Dr, Smithtown 11787 | (631) 361-6868 |