Law firm in Coos Bay, OR

Costello Law Office, P.C.

895 Commercial Ave, Coos Bay, OR 97420
2 attorneys on the Oregon bar roster, license status checked

License status checked on the Oregon State Bar roster on September 24, 2026.

Call (541) 808-0284Website

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Ask about fees

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Attorneys

Checked against the Oregon bar roster (look them up yourself →).

  • Donald O. CostelloOR bar · active · checked Sep 24, 2026admitted 1977
  • Karen L. CostelloOR bar · active · checked Sep 24, 2026admitted 2008

Practice areas

Estate planning
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Guardianship
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Probate
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Trust administration
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What Oregon law says a probate lawyer may charge →

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Every firm serving Coos Bay with an attorney on the Oregon bar roster

Estate checklist for Oregon

What the executor does, month by month, with Oregon's numbers and deadlines.