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NYC taxpreparer filing deadlines: coordinating two systems

Taxpreparer filing deadlines in New York City span a state return carrying city income tax and separate city business filings through the BTeF portal.

What to take away

  • In New York City, taxpreparer filing deadlines involve dual filing deadlines. For residents, the state personal income tax return is the city return. Form IT-201 carries the city tax on the same form, so one deadline covers both.
  • City business taxes do not ride along. Business Corporation Tax and unincorporated business tax go through the NYC Business Tax e-File portal, on their own calendar.
  • An extension to file is not an extension to pay. That applies to the city tax sitting on the state return just as it does to the state tax.
  • New York State requires paid preparers above a volume threshold to e-file. The state publishes the threshold and the waiver process.
  • Two systems means two sets of credentials, two maintenance calendars, and two places a return can be rejected.

Which authority collects which tax

New York State and New York City split the work. The split is not obvious to clients. The New York State Department of Taxation and Finance administers personal income tax, sales tax, and most state business taxes. New York City's Department of Finance administers city taxes.

State vs City Filing

State filing

NYC resident employee
Form IT-201
Sole proprietor with UBT
IT-201 plus schedules
Partnership
State partnership return
Corporation
State franchise tax

City filing

NYC resident employee
City tax on IT-201
Sole proprietor with UBT
UBT return
Partnership
UBT return
Corporation
General corporation tax

Where it goes

NYC resident employee
State e-file
Sole proprietor with UBT
City BTeF portal
Partnership
City BTeF portal
Corporation
City BTeF portal

For calendar-year 2026 individual returns, the New York State personal income tax return is due April 15, 2027. In other years, the usual deadline is April 15, subject to adjustments when it falls on a weekend or legal holiday. A resident files Form IT-201, and the city tax is calculated on that return. The state's Income tax filing resource center carries the current due date and extension rules.

Business taxpayers get no such shortcut. A corporation may owe the state corporation franchise tax and the city's Business Corporation Tax, filed separately. An unincorporated business may owe city unincorporated business tax in addition to state personal income tax. The city's NYC Taxes hub links the forms and dates for each.

For calendar-year returns, these are the main city business forms and dates to place on the client calendar:

  • Business Corporation Tax:Form NYC-2 is generally due on the 15th day of the fourth month after the tax year closes; for a calendar-year return, that is April 15.
  • Unincorporated business tax:Form NYC-204 is used by partnerships, and Form NYC-202 by individuals reporting unincorporated business income. Calendar-year returns are generally due April 15.
  • Estimated business tax:Form NYC-400 is used for estimated tax. For a calendar-year filer, installment dates generally fall on March 15, June 15, September 15, and December 15.
  • Business filing extension:Form NYC-EXT requests an extension to file. An extension does not extend the time to pay. Check the applicable form instructions for fiscal-year clients and any date adjustments.
Client typeState filingCity filingWhere it goes
NYC resident employeeForm IT-201City tax on IT-201State e-file
Sole proprietor with UBTIT-201 plus state schedulesUBT returnCity BTeF portal
PartnershipState partnership returnUBT returnCity BTeF portal
CorporationState franchise taxGeneral corporation taxCity BTeF portal

Build a client calendar that flags both columns. A city business tax return is still late if the state return went in on time.

New York City tax preparers who handle both calendars

The firms below publicly list New York City offices and tax services. This is not a ranking. Confirm current locations and fees directly.

Preparers handling both calendars

PreparerNYC presenceWho it suitsPublic fact
H&R BlockOffices across the five boroughsIndividual returns, including ITIN clients and bilingual filersThe company posts an office locator and an upfront pricing estimator.
Jackson HewittLocations in Brooklyn, Queens, the Bronx, and ManhattanSimple to moderate individual returns, refund advance productsIt publishes seasonal office hours and a tax prep checklist.
Liberty TaxStorefronts in Brooklyn, Queens, and the BronxWalk-in and drop-off individual returnsIt offers a document upload option and a refund status tool.
Anchin, Block & Anchin LLP1375 Broadway, ManhattanPrivately held companies, real estate, financial services, high-net-worth individualsThe firm provides tax planning, compliance, and family office services.
Marcum LLPNew York City headquartersPublic and private companies, partnerships, individualsThe firm offers tax, audit, and advisory services through city offices.
EisnerAmper LLP750 Third Avenue, ManhattanBusinesses, individuals, exempt organizationsThe firm provides federal, state, and local tax compliance and planning.
Citrin Cooperman529 Fifth Avenue, ManhattanPrivately held businesses and their ownersThe firm offers tax, accounting, and advisory services.
Prager Metis135 West 41st Street, ManhattanEntertainment, technology, real estate, and individual clientsThe firm provides tax and advisory services.

How separate filing systems affect the calendar

Most individual clients have one personal income tax deadline, not two. The city tax is computed on the state return, so filing the state return on time files the city tax on time.

Does the client have two deadlines?

Client has both personal and business obligations?

Yes

Two calendars: personal and business

No

One personal income tax deadline

An extension moves the filing date, not the payment date. For a New York State personal return, Form IT-370 requests an extension; for a calendar-year 2026 return, the extended filing date is October 15, 2027. Pay any tax due by the original April 15 deadline. Because the city tax rides on Form IT-201, the same extension filing date applies to the city personal income tax return.

New York Tax Law § 29 requires a paid preparer who prepared more than 10 New York State personal income tax returns in the prior calendar year to e-file New York State returns, unless the preparer obtains a waiver. Request a waiver on Form TR-2000. The state's E-file options for personal income tax page explains the requirement and lists accepted software. Federal e-file requirements apply separately.

A preparer subject to the mandate should confirm e-file access or obtain an approved waiver before filing affected returns.

City residents who also owe city business taxes have a separate calendar. Use the applicable NYC-2, NYC-204, NYC-202, or NYC-400 date—not the personal income tax deadline by default. The city's Business Filing Information page lists current requirements and due dates by tax type; check it for fiscal-year clients and updates.

A deadline table per client type is the cheapest control you can build. One row for the state personal date, one for the city personal date marked 'same as state,' one row per city business tax. That table becomes the spine of the season.

Set internal work dates ahead of each filing deadline, and record which state or city calendar controls each return.

Filing city business taxes through BTeF

New York City requires many business taxpayers to file and pay city business taxes electronically through the Business Tax e-File (BTeF) portal. It handles Business Corporation Tax, unincorporated business tax, and other city business taxes, including returns filed on Forms NYC-2, NYC-202, and NYC-204 when eligible.

Brooklyn Partnership Filing Dates

  1. March 15, 2027
    State partnership return due
  2. April 15, 2027
    UBT return due through BTeF
  3. April 15, 2027
    Partners' personal returns due

BTeF is a different system from the state's. Your staff need separate credentials, separate training, and a separate place to check for outages. The portal accepts returns, extensions, and payments, and preparers can register to file on behalf of clients.

Worked example: a Brooklyn partnership

An LLC taxed as a partnership has two partners who live in Brooklyn and owes NYC unincorporated business tax. For this example, assume the business and partners file on a calendar-year basis for tax year 2026; the three filing dates fall in 2027.

Brooklyn partnership worked example

  1. March 15, 2027
    .
  2. April 15, 2027
    , and must go through BTeF.
  3. April 15, 2027
    , reporting their share of income, with city personal income tax paid through the state return.

A late BTeF filing remains late even if both partners' personal returns were filed on time.

Test BTeF access before the season starts, not during it. Register provider accounts early, and set up new business clients as they sign. Where a city return asks for a state liability number, file the state return first so the number exists.

To bring tax preparation clients back next season, log what each business client's BTeF filing required. What stalled, what the portal rejected, how long the fix took. That log is the pitch for year-round business service.

Serving clients across the five boroughs

The city's client base is the most varied in the country, and the variation is operational, not sentimental. Queens practices see Spanish, Mandarin, and Bengali speakers. Brooklyn sees Russian and Haitian Creole.

Bronx preparers handle a high volume of ITIN filings. Manhattan skews toward freelancers and gig workers who need estimated tax guidance.

Staten Island leans toward small business owners with both city and state business obligations.

Language access changes your intake design. The New York State Department of Taxation and Finance publishes forms and guidance in multiple languages, and the city's tax hub carries translated material. If no one on staff speaks a client's language, pair the client with a translator rather than pushing them through an English-only portal.

ITIN clients need lead time. An ITIN application or renewal can take weeks, and the IRS requires original documents or certified copies. Some clients must see a certified acceptance agent. Several community organizations in the city provide that service. Know which ones, and refer.

Digital comfort varies as much as language. Some clients will upload to a portal and e-sign. Others will hand you a box of receipts. Offer both a drop-off path and a secure upload path, and price them the same unless the drop-off genuinely costs you more hours.

At intake, record whether the client lives in New York City, the type of business entity, and which state and city returns may apply. Assign a staff member to verify each due date against the relevant state or city filing page before adding it to the client calendar.

Where the state system and the city system meet

The two systems touch at four points, and each one is a place a return can stall.

Where the two systems meet

  1. State e-file accepts personal return with city tax
  2. State system does not accept city business returns
  3. City forms may need state liability number
  4. Sequence: state first, city second
  5. Some city forms still go on paper
  6. Maintenance windows: state in November, BTeF own schedule

The state e-file system accepts the personal income tax return that contains the city tax. E-file the state return and you have e-filed the city personal income tax.

The state system does not accept city business tax returns. Those go to BTeF, always.

Some city business forms ask for information that only exists after the state return is filed, such as a state liability number or a federal employer identification number. Sequence matters: state first, city second.

E-file eligibility depends on the return and the filing situation. Check the current NYC business tax form instructions and the city's e-file guidance; follow the form's paper-submission instructions when e-filing is not available. Keep a copy of any paper filing.

Maintenance windows are the fourth point. The state e-file system shuts down annually for maintenance, usually in November. BTeF keeps its own schedule. Filing two weeks before each deadline absorbs an outage or a rejected return without a late penalty.

A strong operations and workflow guide for your firm should name which returns go to which portal, who on the team holds each credential, and what happens when a filing is rejected. Written down, that survives staff turnover. Held in one person's head, it does not.

Common questions

Do NYC residents file a separate city personal income tax return?

No. The city personal income tax is calculated on the New York State return, Form IT-201 for residents. Filing the state return on time files the city tax on time.

What is the NYC Business Tax e-File portal?

BTeF is New York City's electronic filing system for city business taxes, including Business Corporation Tax and unincorporated business tax. Many business filers must use it, and it is separate from the state's e-file system.

Are the state and city business tax deadlines the same?

Not always. State business taxes and city business taxes run on separate calendars. For calendar-year city returns, Forms NYC-2, NYC-204, and NYC-202 are generally due April 15; estimated payments on Form NYC-400 have separate installment dates. Check the city's Business Filing Information page for each return your client owes and for fiscal-year due dates.

Do I have to e-file New York State returns for my clients?

Paid preparers above the state's volume threshold must e-file both federal and state returns. The state's e-file options page states the threshold and the waiver process. Confirm your own status there rather than relying on a colleague's recollection.

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