WHO WE SERVE · LAW FIRMS & ATTORNEYS
Accounting and tax support for Mercer Island law firms
Mercer Island, Washington, law firms can pair monthly accounting and financial reporting with Brent Tucker, CPA. ZIP code 98040 shows 37 law offices with paid staff, per Census ZIP Code Business Patterns 2023.
Sound familiar?
Monthly accounting and financial reporting for small law offices
Where the office already has a bookkeeper, the work is arranged around the books that person keeps.
Your situation isn’t on this list? Tell us about it — every engagement starts with a conversation.
How we help.
The state’s trust account rules
Money a law firm holds for clients — retainers not yet earned, settlement proceeds, funds held for a transaction — is not the firm’s money. The attorney remains responsible for the trust account under the rules.
Services and starting prices.
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Law Firm Accounting
From $900/moFor solo attorneys and small law firms: monthly accounting, financial reporting, business and owner returns, tax planning and CPA consultation.
Starting prices. Your scope and price are agreed in writing before work begins.
Work directly with Brent.
Licensed CPA · 10+ years in public accounting · Member, AICPA and MICPA
Brent has served legal clients throughout his career, at a boutique firm and at a large national accounting and advisory firm.
Brent Tucker is a CPA licensed in Michigan and serves clients in other states under applicable CPA mobility provisions.
More about BrentMercer Island at a glance
37
law offices with paid employees in the ZIP code 98040 that serve Mercer Island
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023
86%
share of law offices with fewer than 5 employees
Source: derived by Tucker from Census ZIP Code Business Patterns 2023
29.1
law offices per 10,000 tax returns filed in its ZIP codes
Source: derived by Tucker from Census ZIP Code Business Patterns 2023 and IRS Statistics of Income ZIP code data, tax year 2022
Tax offices for Mercer Island law firms
City of Mercer Island Finance Department
City business tax and licenses.
9611 SE 36th Street Mercer Island, WA 98040
Phone (206) 275-7602
King County Treasury Operations (Property Tax Customer Service)
County property tax collection.
201 S. Jackson St., Seattle, WA 98104
Phone 206-263-2890
Washington State Department of Revenue
State tax and revenue agency.
Phone 360-705-6705
IRS Taxpayer Assistance Center - Seattle
Federal tax help in person.
915 Second Ave., 32nd Floor, Seattle, WA 98174
Phone (206) 946-3400
The ratio derived by Tucker is 29.1 law offices per 10,000 tax returns filed in ZIP code 98040, while a derived estimate puts 86% of those law offices at fewer than 5 employees.
The City of Mercer Island Finance Department is the city office for local taxes, and King County Treasury Operations (Property Tax Customer Service) collects property tax.
The Washington State Department of Revenue is the state listing, and the IRS Taxpayer Assistance Center - Seattle is the federal one.
Brent coordinates firm and owner returns for solo attorneys and small law firms in Mercer Island and keeps the monthly books current.
Source: each office's official website, checked October 16, 2026.
GET STARTED
Let's talk about your numbers.
Tell us a little about your business or situation, and Brent will reply personally. No office visit needed — meetings are by phone or video, wherever you’re based.
Call 888-762-4370 · Email brent@brenttuckercpa.com · Prefer to pick a time? Book a consultation online