Marketplace›Massachusetts›Braintree
Certified public accountant · O'Brien Riley & Ryan PC
Charles Casassa of O'Brien Riley & Ryan PC in Braintree, Massachusetts is listed as a CPA in the IRS federal preparer directory, with tax preparation and bookkeeping on record as practice areas. As of March 30, 2026, the Google Business listing for O'Brien Riley & Ryan PC showed a 5.0-star average across 4 reviews.
O'Brien Riley & Ryan PC does not participate in TaxScout — requests sent through TaxScout do not reach it. Details above come from public IRS and business records.
35 Braintree Hill Office Pk STE 201, Braintree, MA 02184
Form 1040 + state, standard deduction
$170Form 1040 + state, itemized
$274Add Schedule C (self-employed)
+$122Partnership return (Form 1065)
$580S corporation return (Form 1120-S)
$1,254C corporation return (Form 1120)
$1,405Average fees reported by Massachusetts practitioners in the National Society of Accountants 2020-2021 Income and Fees Survey, State Averages (published 2020). Survey averages, not adjusted for inflation. They are not Charles Casassa's prices; this practice has not published its rates. New England averages for the same two 1040 returns: $229 and $285. Source
Charles Casassa, CPA operates from 35 Braintree Hill Office Pk STE 201, Braintree, MA 02184 in Braintree, Massachusetts. TaxScout has not independently verified a Massachusetts Board of Public Accountancy licence for this practice.
On Google Business Profile, the firm is categorized as a certified public accountant.
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