📅 2026 Update: Changes in Commercial Property Law and Practices

Since the original article was published, several important changes have taken place in commercial property law and practices. These changes affect many aspects of commercial real estate, from tax deductions to property conversion regulations. This update will highlight the most relevant developments, while the earlier article continues further down the page for additional context.

🏢 Energy Efficient Deductions Ended

The Section 179D energy efficient commercial buildings deduction has been terminated for properties where construction began after June 30, 2026. This means that new projects will not benefit from this tax deduction, which previously provided incentives for energy-efficient building practices. Businesses planning new construction should consider this change in their financial planning.

💰 Bonus Depreciation Restored

The One Big Beautiful Bill Act, signed on July 4, 2025, restored permanent 100% bonus depreciation for qualified property acquired after January 19, 2025. This allows businesses to immediately deduct the entire cost of eligible property, which can significantly impact cash flow and tax obligations. Property owners should assess how this change might benefit their financial strategies.

🏙️ New York City Tax Break for Conversions

New York State introduced a new property tax break under Section 467-m of the Real Property Tax Law for office buildings converted to rental housing. This tax exemption, effective January 15, 2025, offers substantial savings, especially for property owners looking to repurpose their spaces. However, the most generous version of the tax break will close on June 30, 2026.

📜 Uniform Real Property Acts

In 2025, state legislatures enacted 12 uniform real property acts, including the Uniform Mortgage Modification Act and the Uniform Partition of Heirs Property Act. These acts aim to enhance property rights and streamline processes related to real estate transactions. Property owners and investors should familiarize themselves with these updates, as they may impact ownership and transaction procedures.

📌 Key Updates at a Glance

  • 🏢 Termination of Section 179D deduction for construction after June 30, 2026.
  • 💰 Permanent 100% bonus depreciation for properties acquired after January 19, 2025.
  • 🏙️ New York City tax breaks for office-to-residential conversions ending June 30, 2026.
  • 📜 Adoption of 12 uniform real property acts to improve property rights.
  • 🏠 Consider these changes when planning or managing commercial properties.

💡 Tips for Navigating Commercial Property Changes

Reviewing the details of your situation with your attorney is essential for making informed decisions regarding commercial property.

🏢 Understand the Impact of Tax Changes

Stay informed about changes like the termination of the Section 179D deduction and the restoration of bonus depreciation. These tax policies can significantly affect your financial strategy and operational costs.

🏙️ Explore Office-to-Residential Conversion Benefits

If you own an office building in New York City, consider the potential benefits of converting it to residential use. The tax break for such conversions can provide substantial savings, but be aware of upcoming deadlines.

📜 Familiarize Yourself with New Laws

Review the new uniform real property acts that have been enacted. These laws can enhance property rights and clarify processes, making transactions smoother and more predictable.

📊 Calculate Closing Costs Accurately

When purchasing commercial property, be mindful of closing costs, which typically range between 2% and 5% of the purchase price for buyers. Sellers may face costs between 4% and 8%, primarily due to brokerage commissions.

💼 Consider the Role of CAM Fees

Common Area Maintenance (CAM) fees can add 20% to 40% to your base rent. Understanding these fees is crucial for budgeting and managing your commercial lease agreements effectively.

❓ Frequently Asked Questions

🏢 What is the Section 179D deduction?

The Section 179D deduction allows businesses to deduct costs for energy-efficient improvements to commercial buildings. However, this deduction is no longer available for properties where construction began after June 30, 2026.

💼 How are commercial property closing costs calculated?

Closing costs for buyers typically range from 2% to 5% of the purchase price, while sellers can expect costs between 4% and 8%. These costs include various fees, such as due diligence and title charges.

🏙️ What is the New York City office-to-residential conversion tax break?

This tax break offers significant property tax exemptions for office buildings converted to residential rental housing. The most favorable version of this incentive ended on June 30, 2026.

📜 What are the new uniform real property acts?

In 2025, several uniform real property acts were enacted to improve property rights and streamline processes in real estate transactions. Familiarizing yourself with these acts can aid in navigating property laws.

💰 How does bonus depreciation affect property owners?

The permanent 100% bonus depreciation allows property owners to deduct the full cost of qualified property acquired after January 19, 2025. This can improve cash flow and tax positions significantly.

📊 What are Common Area Maintenance (CAM) fees?

CAM fees are additional costs that can add 20% to 40% to the base rent of a commercial property. Understanding these fees is essential for budgeting and lease management.

⚖️ Recent Cases Affecting Commercial Property

Recent court rulings have addressed various aspects of commercial property law, influencing how transactions and property rights are handled.

Browse more recent rulings in the news section by visiting more rulings on the news page.

End of October 2026 Update





What is Commercial Property?

Commercial Property is defined as areas or locations consisting of commercial buildings whose usage are designated for the operation of commercial activity or business endeavors taking place on its premises. Although Commercial buildings – like other types of buildings - can be rented, sold, bought, exchanged, and lease, additional legal stipulations occur within the realm of the legality and statues applicable to financial transactions and management with regard to Commercial Property.

Due to the fact that commercial activity will presumably take place on areas designated as Commercial Property, legality applicable to the conducting of commerce and business retains supplementary precautionary measures, which must adhere to zoning or sectioning regulations put into place with a respective jurisdiction – this can include enforced hours of operation, regulations with regard to authorized personnel, and the establishment of expressed liability.


Discover All You Need to Know About Commercial Property


Regulations of Commercial Property



Within the realm of Commercial Property Law, a wide range of supplementary stipulations and legality are typically applicable the management, exchange, and financial transactions latent within the Commercial Property market; such statutory legality address the proper, permissible, and lawful usage of the Commercial Property in question – the notion of lawful usage and undertaking is a primary indicator of the differentiation between Commercial Property and other forms of property:

The usage of Commercial Property will typically be limited to the operation of business activity or commercial endeavors; tenants owning or renting Commercial Property will be prohibited from allowing that piece of property from existing as both a business, as well as a residence – the stipulations latent within commercial property agreements may be outlines by the commercial property agents mediating transactions

While certain Small Businesses may be operated from a private residence – thus allowing for that particular residence to serve as both home and office – the inverse is typically prohibited within the legality corollary to Commercial Property or commercial building

The usage of Commercial Property – or commercial buildings - will typically retain stipulations with regard to hours of operation, the number of staff employed within a respective business, the nature of the commercial activity, as well as the regulation of presumed environmental or communal hazards; supplementary regulations can be provided upon a meeting conducted with a licensed commercial property agent

In accordance with zoning undertaking by specific locational jurisdictions, Commercial Property is separated and delineated from other types of property; as a result, the satisfaction of supplemental insurance and taxation payments may be required by the tenant of that piece of property – the rate of these payments will be determined by the nature of the commercial activity undertaking on the premises of the Commercial Property in question



The Commercial Property and Real Estate Market

Within the Commercial Property and real estate market, the exchange and adjustment property is in constant flux; furthermore, each piece of Commercial Property is analyzed and classified on a case-by-case basis – in contrast to residential property, there rarely exists a uniform commercial property agreement or contract:

Commercial Leasing

The leasing of Commercial Property - or a commercial building- is defined as an agreement with regard to that property’s tenancy; ‘the lessor’ is the party named as the owner of the Commercial Property who allows the property to be leased – or rented – on a temporary basis. The lessee is named as the party renting or leasing the Commercial Property; the commercial lessee is responsible for the satisfaction of lease payments.

Commercial Property Sales

The adjustment of the status of ownership with regard to the sale – and purchase – of Commercial Property exists in the event that a commercial property agent is contracted in order to negotiate a transaction in which the owner of that property in question undertakes a financial transaction resulting in the transfer of ownership with regard to the property in question.