Covati and Janhsen
12 Walnut St, Port Jefferson, NY 11777
(631) 928-6300Checked Sep 2026

6 local businesses. Tax prep, bookkeeping, accounting and notary public. 3 list a phone number. Nearby: Lake Grove has 3 (7 mi), Patchogue has 10 (13 mi) and Westport has 19 (20 mi).
12 Walnut St, Port Jefferson, NY 11777
(631) 928-6300Checked Sep 2026
646 Main St, Port Jefferson, NY 11777
(631) 476-6700Checked Sep 2026
640 Belle Terre Rd, Port Jefferson, NY 11777
(631) 928-0002Checked Sep 2026
1031 Main St, Port Jefferson, NY 11777
Phone not listed yet. Own this business? Add it free.
Checked Sep 2026
38 Sheep Pasture Rd, Port Jefferson, NY 11777
Phone not listed yet. Own this business? Add it free.
Checked Sep 2026
120 N Country Rd, Port Jefferson, NY 11777
Phone not listed yet. Own this business? Add it free.
Checked Sep 2026
6 are listed. 6 are locally owned.
Covati and Janhsen, Michael C. Williams Cpa Pc, Saranto Calamas, CPA, PC, Martin Inerfield and Michael T Dickson Cpa, plus 1 more on this page.
3 of 6 list a phone number, 4 list a website. Each listing shows the date it was last checked.
Yes. Lake Grove has 3 (7 miles), Patchogue has 10 (13 miles), Westport has 19 (20 miles), Wilton has 6 (26 miles) and Monroe has 5 (28 miles).
Owners can claim a listing free to fix the phone, hours and photos. Anyone can add a missing business, and a person checks it before it goes up.