Tax Preparation & Tax Accountant in Braintree, MA (Serving Quincy) | One Accounting Tax®

One Accounting Tax® (est. 2017) provides year-round tax preparation and tax support for individuals, small business owners, and real estate investors. We are headquartered in Braintree, MA and serve Quincy and Greater Boston.

Why clients work with One Accounting Tax®

Enrolled Agents are federally licensed and authorized to represent taxpayers before the IRS in all 50 states. Enrolled agent status is the highest credential the IRS awards. Like CPAs and attorneys, Enrolled Agents have unlimited rights to represent taxpayers before the IRS. Click here to see IRS definition of Enrolled Agent.


Services We Offer

Personal & Joint Tax Returns (Form 1040)

We prepare federal and Massachusetts personal income tax returns and help you stay organized year-round. Common situations may include:

  • W-2 income, multiple jobs, dependents, and life changes

  • Self-employment and 1099 income (Schedule C)

  • Investment and retirement forms (as applicable)

  • Multi-state considerations (case-dependent)

Form 1040-NR (Nonresident Tax Return)

If you are a nonresident alien for U.S. tax purposes and have U.S.-source income, you may need to file Form 1040-NR. We assist with 1040-NR preparation for foreign nationals and international taxpayers (case-dependent), including:

  • Document checklist and intake designed for international filing

  • Facts-driven guidance on resident vs. nonresident considerations

  • Reporting common forms such as W-2 and 1042-S (as applicable)

  • Treaty-related topics and documentation support (case-dependent)

  • ITIN guidance when applicable

Buying and Selling a Property (Tax Filing + Planning Support)

Real estate transactions can create tax questions—especially when you buy a new home, sell a primary residence, sell an investment property, or complete multiple transactions in the same year. We help you understand what documents are needed and how sales may be reported (case-dependent).

Support may include:

  • Document checklist for common real estate tax items (closing disclosure/settlement statement, Form 1098, property tax bills, 1099-S when issued)

  • Guidance on what information is typically needed to report a sale correctly (purchase details, improvements, selling costs, dates of use)

  • Primary residence vs. rental/investment property considerations (facts-driven)

  • Planning topics when you sell and buy in the same year (timing, withholding, estimated tax considerations—case-dependent)

  • Help organizing records so you can answer questions later if needed

Real Estate Tax Planning (Landlords & Investors)

Real estate taxes can get complicated quickly—especially when you buy, sell, refinance, or operate rental property. We provide planning support for landlords and investors (case-dependent), including:

  • Schedule E reporting and organization guidance

  • Depreciation basics and improvement vs. repair considerations (case-dependent)

  • Planning topics around property sales and real estate transactions (case-dependent)

Landlord & Rental Property Taxes (Schedule E)

We support landlords with rental property tax reporting and year-round organization so your filing is smoother:

  • Rental income reporting and expense tracking guidance

  • Common categories: repairs, maintenance, utilities, insurance, HOA, management fees

  • Year-end summary guidance to support your tax return

  • Documentation best practices to help reduce issues if questions arise later

Back Taxes & Audit Support

If you’re behind on filing or received a notice, we can help you create a plan and move forward:

  • Prior-year tax return preparation (back taxes)

  • Notice review and response support (IRS and Massachusetts)

  • Audit support and representation (case-dependent)

  • Document reconstruction support when needed (case-dependent)

IRS/State Notices & Audit Support

Got a letter from the IRS or Massachusetts? We help you understand what it means and what to do next (case-dependent):

  • Notice interpretation, due dates, and response strategy

  • Documentation organization and support

  • Audit support (case-dependent)

Payment Plans & Penalty Abatement

If you owe taxes and can’t pay in full right away, we can help you explore options (when eligible/available):

  • IRS installment agreements (payment plans)

  • State payment plan options (when available)

  • Penalty abatement requests (when eligible)

  • Documentation and next-step guidance

Year-Round Tax Support

We don’t disappear after tax season. Many clients work with us year-round for:

  • Planning check-ins and estimated tax guidance (as needed)

  • Help after life events (new job, marriage, new baby, home purchase)

  • Support when you start a business, add 1099 income, or become a landlord

  • Ongoing questions and notice support


Who We Serve

We work with clients who want reliable support, clear communication, and a steady process:

  • Small business owners who need a tax accountant with year-round availability

  • Real estate investors and landlords who want help with rental reporting and planning

  • Individuals and families in Braintree and Quincy who want responsive, professional tax preparation


About One Accounting Tax®

One Accounting Tax® is headquartered at 29 Commercial St, Braintree, MA 02184. Since 2017, we’ve helped clients across Quincy, Braintree, and Greater Boston with tax preparation, accounting support, and year-round guidance.

We operate with a practical, compliance-first mindset—helping you stay organized, respond to IRS/state requests appropriately, and make informed decisions throughout the year. As an IRS Enrolled Agent (EA) firm, we provide professional support backed by 100+ 5-star Google reviews and nearly 20 years of taxation and finance experience.


Get Started

Fastest option: upload your documents securely here:
https://oneaccountingtax.com/individual-tax-form

Prefer to talk first?
Call/text: 617-829-0928
Email: service@oneaccountingtax.com

Tax Services • Serving Quincy, Braintree & Greater Boston

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