As Q1 compliance deadlines pass, property managers should turn their attention to second quarter requirements. While the next three months don’t carry December’s deadline density, several significant compliance obligations require advance planning.
April 2026
April 1: Property Tax Payment Deadline
Last quarterly installment of 2025-2026 property taxes to Department of Finance. Late payments accrue interest and penalties.
April 1 – July 31: DHCR Registration Window
Annual registration for rent-stabilized buildings opens. While the window extends through July, early registration prevents summer vacation-season oversights. We recommend to complete these sooner rather than later, when other obligations are lighter.
May 2026
May 1: Local Law 84 Benchmarking Report Due
Buildings 25,000+ square feet must submit annual energy and water benchmarking reports for 2025 data through Energy Star Portfolio Manager. This data feeds into building energy disclosure and connects to Local Law 97 emissions compliance. May 1 falls on a weekday with no extension, and late submissions automatically trigger violations.
May 7: Local Law 159 Monthly Cooling Tower Testing Begins
New requirement for monthly Legionella testing replaces previous 90-day quarterly testing. Following 2025’s Central Harlem Legionnaires’ outbreak that killed seven people, cooling towers must now be tested every 31 days during operating season. Non-compliance penalties start at $10,000 per violation.
Critical preparation: Update Cooling Tower Maintenance Programs, establish relationships with ELITE-certified laboratories, and budget for 9-10 annual tests instead of 3-4. First monthly test must occur by early June.
May 31: End of Heat Season 2025-26
Last day of mandatory heat season (October 1 – May 31).
Prise tip: Schedule boiler inspections and maintenance for early June, immediately after heat season ends, ensuring systems are serviced before the December 31 annual boiler inspection deadline.
June 2026
June 1: Real Property Income & Expense (RPIE) Filing Deadline
Income-producing properties must file annual RPIE statements with Department of Finance. Buildings must compile complete income statements, operating expenses, utilities, and capital improvements for the previous calendar year. Failure to file results in automatic penalties.
Strategic Q2 Planning
The Q2 Lull Before the Storm
Second quarter represents relative compliance calm between Q1’s deadlines and Q4’s December 31 crunch. Smart property managers use this window strategically:
- Schedule preventive maintenance during late spring for HVAC systems, roof inspections, and exterior work
- Address deferred items from Q1 before year-end pressures intensify
- Plan Local Law 159 implementation using April/early May to finalize laboratory contracts and testing schedules
- Prepare for November cooling tower certification by planning remediation or upgrades during summer months
- Begin Gas Piping inspections if your Community District is due this year (4, 6, 8, 9, 16)
Budgeting for Increased Costs
Local Law 159 testing roughly triples annual costs. Buildings budgeting $1,200-$1,600 for four quarterly tests should now plan for $2,700-$4,000+ for monthly tests, plus increased service visit fees.
Buildings with overlapping LL84, LL87, and LL97 requirements benefit from coordinated vendor engagement. A single energy consultant handling benchmarking, audits, and emissions reporting typically costs less than separate contractors.
The Strategic Compliance Mindset
Successful property managers approach Q2 as strategic planning time, not “breathing room.” Properties treating compliance as continuous year-round responsibility rather than deadline-driven crisis management avoid violations, reduce emergency costs, and maintain safer buildings.
Prise centralizes all NYC building compliance requirements across all quarters, tracking everything from monthly cooling tower testing to annual benchmarking to multi-year FISP cycles. Our platform prevents deadline oversights during both heavy (Q1, Q4) and lighter (Q2, Q3) compliance periods.
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