Is SaaS Taxable in New York?
If you sell software-as-a-service (SaaS) to customers in New York, the short answer is yes: you almost certainly need to collect sales tax on it. New York is one of the most active states in the country when it comes to taxing remotely accessed software, and the rules have been settled long enough that there's no real wiggle room left. This post walks through exactly how New York applies sales tax to SaaS, what triggers a registration obligation, how rates work, where companies trip up, and how to stay compliant without slowing your business down.
How New York classifies SaaS
New York does not have a "SaaS tax." Instead, the state treats SaaS as a sale of prewritten computer software, which is classified as tangible personal property (TPP) under Tax Law §§ 1101(b)(6) and 1101(b)(14). That classification is the foundation for everything else, so it's worth getting right.
The key authority is TSB-M-08(5)S, issued in 2008, which confirmed that prewritten software accessed remotely — including SaaS — is subject to New York sales tax. Per Tax Bulletin TB-ST-128, prewritten software is taxable regardless of how it's delivered, including:
- Physical media such as a disk
- Electronic download
- Remote access over the internet (SaaS)
When a customer remotely accesses your software, New York considers the seller to have transferred constructive possession of the software, because the customer has the right to use or control it. That is the legal hook for taxing SaaS as TPP.
Custom software is different. Software designed and developed to one specific customer's specifications is not subject to sales tax. If you modify prewritten software for a particular customer and the customization charge is reasonable and separately stated, that charge is also exempt. Most SaaS products do not qualify as custom software, but it's worth confirming with your tax advisor if your product is heavily configured per customer.
Who has to collect: New York nexus rules
Before you collect anything, you need nexus in New York. The state recognizes two paths:
Physical nexus. Owning or leasing property in New York, having employees or contractors performing work there, or holding inventory in the state all create physical nexus.
Economic nexus. Following South Dakota v. Wayfair, New York enforces an economic nexus standard for remote sellers. Per the New York Department of Taxation and Finance, you are presumed to be regularly or systematically soliciting business in New York if, during the immediately preceding four sales tax quarters, both of the following are true:
Your cumulative gross receipts from sales of tangible personal property delivered into New York exceeded $500,000, and
You made more than 100 sales of tangible personal property delivered into the state.
Both conditions must be met. If you cleared $500,000 in receipts but had only 80 sales, you do not yet need to register on the economic nexus basis. This is a common misconception, and it matters: many SaaS sellers have a small number of high-value contracts and never cross the 100-sale threshold, even with millions in New York revenue.
Once you meet the thresholds, you must register for a Certificate of Authority with the New York Department of Taxation and Finance before making taxable sales. See TSB-M-19(4)S for the underlying guidance.
New York sales tax rates
New York imposes a 4% state sales tax on prewritten software, including SaaS. Counties, cities, and the Metropolitan Commuter Transportation District (MCTD) add their own local rates on top.
Per Publication 718, local rates currently range from 3% to 4.875%, producing combined rates between 7% and 8.875%, depending on the jurisdiction. New York City and Yonkers tie for the highest combined rate in the state.
Combined sales tax rates in major New York jurisdictions
| Jurisdiction | County | Combined rate |
|---|---|---|
| New York City | NY, Kings, Queens, Bronx, Richmond | 8.875% |
| Yonkers | Westchester | 8.875% |
| Buffalo | Erie | 8.75% |
| Rochester | Monroe | 8% |
| Syracuse | Onondaga | 8% |
| Albany | Albany | 8% |
Rates are subject to change. Always confirm the current rate using the New York Jurisdiction and Rate Lookup tool.
Sourcing: where the sale takes place matters
This is the part of New York SaaS compliance that catches the most companies off guard. Because SaaS is classified as TPP, sourcing follows the rules for tangible personal property. Per TB-ST-128, the situs of a SaaS sale is the location from which the purchaser uses or directs the use of the software, not the location of the server or the buyer's billing address by default.
If a single customer has users in both New York and other states, you should collect New York tax based on the portion of the receipt attributable to users located in New York. That typically means asking customers for a reasonable allocation, often by user count or seat distribution, and applying the New York combined rate to that portion.
For customers with multiple New York locations across different counties, you'll also need to apply the appropriate local rate to each portion. This is where automation pays for itself quickly.
Common exemptions
Several New York exemptions can apply to SaaS purchases, but the customer is responsible for claiming them and providing the right exemption certificate:
Qualifying nonprofits and exempt organizations. Customers present Form ST-119.1.
Resale. A reseller presents Form ST-120, Resale Certificate.
Research and development. Software used or consumed directly and predominantly in R&D qualifies for exemption with Form ST-121, Exempt Use Certificate.
Production of tangible personal property for sale. Software used directly and predominantly in production also qualifies with Form ST-121.
Keep these certificates on file. Without them, the sale is taxable even if the customer is theoretically eligible.
Penalties for getting it wrong
Per TB-ST-805, New York's late-payment penalties are:
10% of the unpaid tax for the first month
Plus 1% for each additional month
Capped at 30% of the unpaid tax
Late filing penalties have a minimum of $50, and interest accrues on top. Egregious or willful violations can carry criminal exposure.
How New York compares to neighboring and major states
Treatment of SaaS varies dramatically by state, so do not assume your New York approach applies elsewhere. Two of the comparisons people ask about most often:
| State | SaaS treatment | Notes |
|---|---|---|
| New York | Taxable | Treated as prewritten software (TPP) per TSB-M-08(5)S, regardless of delivery method. |
| New Jersey | Not taxable | Per NJ TB-72, SaaS is a service, and use of a software application is not enumerated as a taxable service. Downloaded prewritten software, however, is taxable. |
| California | Generally not taxable | Per CDTFA Regulation 1502, prewritten software transferred by remote telecommunications with no transfer of tangible personal property is not taxable. Adding a physical component such as a USB backup can change that. |
Neighboring Connecticut taxes SaaS at a reduced 1% rate for business use, and Pennsylvania taxes SaaS at the standard rate. The point is simple: state-by-state research is non-negotiable.
A quick calculation example
A $100 SaaS subscription delivered to a user in New York City:
Combined rate: 8.875% (4% state + 4.5% NYC + 0.375% MCTD)
Sales tax due: $100 × 8.875% = $8.88
If that same subscription had 60% of its users in New York City and 40% in California, you'd apply 8.875% to $60 of the receipt, for $5.33 in New York tax, and apply California's rules to the remainder.
How to stay compliant
A practical checklist for SaaS finance teams:
Run a nexus study. Confirm where you have physical and economic nexus today, and monitor it quarterly. Kintsugi's free exposure study maps this for you.
Register where required. Apply for a Certificate of Authority before your first taxable New York sale.
Apply the right rate. Use a jurisdiction lookup tool, not ZIP codes, since ZIPs do not align cleanly with New York tax jurisdictions.
Source sales correctly. Collect user-location data from customers and allocate by user count, not billing address.
Collect exemption certificates at the start of every relationship that qualifies.
File on time. Quarterly returns are standard for most businesses, but very small or very large taxpayers may be on annual or monthly schedules.
Where Kintsugi fits in
Kintsugi automates the moving parts of New York SaaS compliance so your team doesn't have to track them manually. We monitor your nexus exposure in real time, apply the correct combined rate by jurisdiction at the point of sale, handle multi-state user-allocation sourcing, store exemption certificates, and file returns on the right cadence. We integrate with the billing, ERP, and CRM systems you already use, including Stripe, NetSuite, QuickBooks, and HubSpot.
Want to see how it works on your data? Book a demo or start a free exposure study.
Final thoughts
New York's SaaS tax rules are stricter than most, but they are also stable and well-documented. Once you understand the prewritten-software-as-TPP framing under TSB-M-08(5)S, the AND-condition economic nexus threshold, and the user-location sourcing rule, the rest is execution. The companies that get this right treat it as an automated workflow, not a quarterly fire drill, and they avoid the audit exposure that can build up quietly over time.
Related resource: For current rates, nexus thresholds, filing deadlines, and FAQs, see Kintsugi's New York Sales Tax Guide.
