Estate & Trust Tax Preparation (Form 1041) in Suffolk County

Need trust tax return preparation in NY or help filing an estate’s income tax return? Our Long Island CPAs prepare accurate Form 1041 (and NY IT-205), issue clear K-1s for beneficiaries, and coordinate timelines with executors and trustees. Serving Port Jefferson Station, St. James, and nearby Suffolk County communities with dependable fiduciary tax services on Long Island.

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Fiduciary Tax Returns, Filed the Right Way

Estates and many trusts must file their own fiduciary income tax returns—separate from the decedent’s final personal 1040. We explain what needs to be filed and when, then prepare compliant returns with schedules that make sense to attorneys, beneficiaries, and the court.

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Trust Tax Returns (Form 1041 & NY IT-205)

For revocable/irrevocable and family trusts, we handle reporting details so your records and K-1s are consistent and complete.

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Determine filing requirements and filing period (calendar vs. fiscal year)

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Calculate DNI and allocate income vs. principal correctly

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Prepare beneficiary K-1s and explain what passes through to individual returns

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Record trustee fees, investment expenses, and administrative costs

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Address investment income, capital gains/losses, and NIIT considerations

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Prepare NY IT-205 and applicable state forms; manage estimated payments

Estate Income Tax Returns During Administration


When someone passes, the estate may receive income (interest, dividends, property sales). We prepare the estate’s Form 1041 during administration, reconcile 1099s and statements, and time deductions to support better outcomes. If questions arise about estate tax thresholds in New York, we’ll coordinate with your attorney to determine whether additional filings are required and help keep everything on schedule.



We also clarify how distributions affect beneficiaries, and we coordinate with the preparer of the decedent’s final 1040 so nothing is missed.

Strategies to Reduce Overall Tax


Fiduciary returns aren’t just paperwork—they’re a planning opportunity. We evaluate timing of income and expenses, consider distribution strategies (so income may be taxed to beneficiaries at their rates), and select filing periods that better match the estate or trust’s cash flow. For investment-heavy estates and trusts, we review capital gain/loss positions and year-end options before deadlines.

Seamless From Records to Returns

Because our team also provides estate and trust accounting, your ledgers flow directly into tax preparation—reducing errors, rework, and stress. We coordinate with your attorney, deliver clear K-1s to beneficiaries, and outline next steps so everyone understands what’s filed and why. Serving Port Jefferson Station, St. James, Setauket, Smithtown, Nesconset, Mount Sinai, Lake Grove, and surrounding Long Island communities.