Beginning November 1, 2025, Massachusetts requires 4 percent withholding on sales of real estate priced at one million dollars or more. This rule affects both residents and nonresidents, and it can significantly influence the amount of cash a seller receives at closing.
The withholding is intended as a prepayment of potential tax due on the gain from the sale. It is not the final tax calculation, and in many cases the required amount can be reduced or avoided. Because the analysis depends on individual facts, sellers benefit from reviewing their situation before closing rather than relying on assumptions or default calculations.
This guide explains the purpose of the rule, when withholding applies, and what sellers should consider as they prepare for a transaction.
What the 4 Percent Withholding Rule Requires
Under the new law, settlement agents must withhold 4 percent of the total sale price for Massachusetts properties sold at or above one million dollars unless the seller provides approved documentation showing a reduced amount or exemption.
Example of the default calculation
- A one million dollar sale results in forty thousand dollars withheld
- A one and a half million dollar sale results in sixty thousand dollars withheld
- A two million dollar sale results in eighty thousand dollars withheld
- This is a mandatory holdback that remains in place until the seller files the applicable state return.
When Withholding May Be Reduced or Not Required
Massachusetts allows several paths to reduce or eliminate withholding, but each requires proper documentation and legal or tax review. Some of the more common situations include:
1. The seller qualifies for a statutory exemption
Certain sellers and certain types of transactions are not subject to withholding. Eligibility depends on the seller’s status and the nature of the sale.
2. The property will produce a smaller taxable gain
If the property’s basis, improvements, or other factors result in a lower gain than the state’s default assumption, a reduced withholding calculation may be appropriate. This requires accurate records and a formal certification.
3. The property was inherited or transferred through an estate or trust
Inherited property often receives a stepped-up basis, which affects the taxable gain. Gifted or trust-owned property may involve additional considerations.
4. Multi-state ownership or a possible 1031 exchange
Out-of-state sellers, part-year residents, and individuals pursuing a like-kind exchange may qualify for alternative treatment. These situations generally require professional analysis to avoid errors.
These categories highlight opportunities, but they do not replace a detailed review. Withholding decisions must be supported by the correct forms and calculations, and the state expects these to be prepared before closing.
Why Sellers Should Address This Early
Timing is one of the most important aspects of the new withholding rule. If the review happens too close to the closing date, the default 4 percent may apply even if the seller ultimately qualifies for a lower amount.
Early planning helps ensure:
- Adequate cash flow at closing
- Accurate and defensible calculations
- Fewer administrative delays
- Proper coordination between the CPA and closing attorney
Because settlement attorneys are responsible for collecting and submitting the withholding, providing complete documentation in advance is essential.
Documents Sellers Should Gather
To evaluate whether withholding can be reduced, sellers should be prepared to collect and provide:
- The original closing disclosure or HUD from the property purchase
- Records of capital improvements
- Depreciation schedules if the property was used as a rental
- Estate or trust documents for inherited property
- Residency documentation
- Any information related to a potential 1031 exchange
This information allows for an accurate estimation of gain and a determination of whether an exemption or reduced withholding calculation applies.
Frequently Asked Questions
Is the 4 percent withholding a tax?
No. It is a prepayment. The final tax is determined when the seller files the Massachusetts return.
Does every sale above one million dollars require withholding?
Yes by default, but many sellers qualify for adjustments based on their facts.
Can sellers reduce withholding on their own?
The forms and calculations are technical, and errors can delay a closing. Most sellers work with a CPA to ensure the documentation is accurate and accepted by the state.
What happens if too much is withheld?
The excess is refunded when the state processes the seller’s return, but this may take time, which is why preventing unnecessary withholding is preferable.
Final Thoughts
The new Massachusetts 4 percent withholding rule is significant for anyone selling property at or above the one million dollar level. While the default calculation can be simple, determining the correct amount is not. The state provides pathways to reduce or eliminate withholding, but these depend on accurate analysis, proper documentation, and timely coordination with the closing attorney.
If you are preparing to sell Massachusetts real estate and want to understand how this rule applies to your specific situation, Rom Neidhardt, CPA can help you evaluate your options and prepare the required forms before closing. Contact us to schedule a consultation today!