The Massapequa, NY sales tax rate is 8.625 percent, and it applies to most goods and many services bought in this part of Nassau County. That combined figure is built from a 4 percent New York State tax, a 4.25 percent Nassau County tax, and a 0.375 percent surcharge for the Metropolitan Commuter Transportation District.1Nassau County IDA. Taxes The rate is the same whether the store sits in Massapequa or Massapequa Park, and it’s the same figure that applies to use tax on items you bring in from elsewhere.
What the 8.625 Percent Covers
Most physical goods carry the full rate. Electronics, furniture, appliances, motor vehicles, and general household items are all taxable at 8.625 percent.2New York State Department of Taxation and Finance. Quick Reference Guide for Taxable and Exempt Property and Services Restaurant meals, takeout, and catering are taxable too, as are hotel stays and short-term rentals.
Prewritten software is taxable as tangible personal property, no matter how it reaches you. A download, a disc, or a cloud-based subscription accessed from Massapequa all get taxed at the full rate, with the taxing jurisdiction set by where you use the software rather than where the vendor’s servers live.3New York State Department of Taxation and Finance. Computer Software
Business utilities are taxable. Gas, electricity, and steam supplied to a commercial location all carry the full combined rate.2New York State Department of Taxation and Finance. Quick Reference Guide for Taxable and Exempt Property and Services Residential utilities follow different rules, covered below.
What’s Exempt or Taxed at a Lower Rate
Groceries
Food and food products sold for home preparation are exempt. That’s most of a supermarket run: produce, dairy, meat, bread, canned goods, and the like.4New York State Department of Taxation and Finance. Food and Food Products Sold by Food Stores and Similar Establishments Candy, confectionery, and prepared meals sold hot or for immediate consumption are taxable. The confusion usually sits on the line between grocery food and prepared food, and the test tends to be whether the item was heated, bundled with utensils, or sold for eating on-site.
Medicine and Medical Items
Prescription drugs are exempt. So are over-the-counter medicines such as pain relievers, antacids, cold remedies, and dandruff treatments.5New York State Department of Taxation and Finance. Drugstores and Pharmacies Prosthetic aids, hearing aids, eyeglasses, and other devices designed to correct or alleviate a physical incapacity are also exempt.6Cornell Law Institute. New York Comp Codes R and Regs Tit 20 528.5 – Prosthetic Aids Cosmetics, dietary-supplement vitamins, and basic items like bandages or first-aid kits don’t qualify.
Clothing Under $110 (With a Nassau County Catch)
Here’s where Massapequa differs from parts of New York. Clothing and footwear priced below $110 per item are exempt from the 4 percent state tax.7New York State Department of Taxation and Finance. Clothing and Footwear Exemption But Nassau County has not opted into the exemption at the local level, so the 4.25 percent county tax and the 0.375 percent MCTD surcharge still apply.8New York State Department of Taxation and Finance. Publication 718-C Sales and Use Tax Rates on Clothing and Footwear A $90 pair of shoes in Massapequa is taxed at 4.625 percent instead of the full 8.625 percent. Once any single item hits $110 or more, the full combined rate applies to the entire price of that item. Costumes, sport cleats, and protective equipment generally don’t qualify even if they’re under $110.
Residential Energy
Natural gas, electricity, fuel oil, and steam used for residential purposes are exempt from the 4 percent state tax and the 0.375 percent MCTD surcharge.9New York State Department of Taxation and Finance. Residential Energy Sources and Services Residential means a structure someone uses as a place to live, owned or rented. For a mixed-use property on a single meter, the exemption depends on square footage. If 75 percent or more of the space is residential, the whole bill qualifies; below that, only the residential portion.
Online and Out-of-State Purchases
When you buy something from an out-of-state seller who doesn’t collect New York tax, and you use it in Massapequa, you owe use tax at the same 8.625 percent rate.10New York State Department of Taxation and Finance. Sales and Use Tax Most major online retailers already collect New York tax at checkout, so this comes up mainly with smaller out-of-state vendors, private sales, or items you bring back from a trip. Individual residents report use tax on their New York State personal income tax return. The obligation exists whether or not anyone reminds you.
Marketplace platforms like Amazon and eBay are required to collect and remit New York sales tax on taxable goods shipped to a New York address, regardless of where the third-party seller sits.11New York State Department of Taxation and Finance. Sales Tax Requirements for Marketplace Providers For a Massapequa shopper, the 8.625 percent rate should appear at checkout automatically on those platforms.
If You’re Selling in Massapequa
Any business making taxable sales must get a Certificate of Authority from the New York Department of Taxation and Finance before its first sale.12New York State Department of Taxation and Finance. Register as a Sales Tax Vendor You apply through New York Business Express using Form DTF-17, which asks for your federal EIN, business structure, and personal details for all responsible parties.13New York State Department of Taxation and Finance. Instructions for Form DTF-17 Application to Register for a Sales Tax Certificate of Authority The certificate must be displayed in plain view at every business location, including carts, stands, and trucks.
Making taxable sales without a Certificate of Authority can bring civil penalties of up to $500 for the first day and up to $200 for each additional day, capped at $10,000.14Cornell Law Institute. New York Comp Codes R and Regs Tit 20 540.6
Buying inventory for resale? Give the supplier a completed Form ST-120 within 90 days of the transaction, and you don’t pay sales tax on those purchases. A blanket certificate covers ongoing orders from the same supplier; a single-use certificate covers one transaction. You can’t use ST-120 for personal purchases, office supplies, motor fuel, or materials consumed by contractors. Keep every resale and exemption certificate on file for at least three years.15New York State Department of Taxation and Finance. Recordkeeping Requirements for Sales Tax Vendors Missing certificates are the most common audit problem, and without one the auditor treats the sale as taxable.
Filing Schedule and Deadlines
Returns are filed through the state’s Sales Tax Web File system inside your Business Online Services account.16New York State Department of Taxation and Finance. Sales Tax Web File The Department assigns your filing schedule based on sales volume:17New York State Department of Taxation and Finance. Filing Requirements for Sales and Use Tax Returns
- Annual filing applies when total tax due is $3,000 or less across the annual period (March 1 through the end of February). The return is due by March 20.
- Quarterly filing applies when taxable receipts are under $300,000 per quarter and you aren’t on the annual schedule. Returns are due within 20 days after each quarter ends.
- Monthly (part-quarterly) filing kicks in once taxable receipts reach $300,000 or more in any single quarter, starting the first month after the quarter in which you crossed the threshold.
Businesses with annual sales tax liabilities above $500,000 are enrolled in the PrompTax program, which uses electronic filing and accelerated payments.
Late Penalties
Miss a deadline and two penalties stack. Failure to file runs 5 percent of unpaid tax per month, capped at 25 percent; if the return is more than 60 days late, the minimum is the greater of $100 or 100 percent of the tax due. Failure to pay adds a separate 0.5 percent per month on unpaid tax, also capped at 25 percent. Interest accrues on top. For the first quarter of 2026, the underpayment rate is 6 percent.
Getting a Refund If You Overpaid
If sales tax was charged on an exempt item, if you returned merchandise and the seller didn’t refund the tax portion, or if another state also taxed the same purchase, you can file Form AU-11 to claim a credit or refund.18New York State Department of Taxation and Finance. Form AU-11 Application for Credit or Refund of Sales or Use Tax Businesses file electronically through Business Online Services; individual consumers file on paper. The deadline is three years from the date the tax was payable, or two years from the date it was actually paid, whichever is later.19New York State Department of Taxation and Finance. Instructions for Form AU-11 Application for Credit or Refund of Sales or Use Tax