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Stay in the KnOW

Insights on construction risk, project oversight, and the built environment.

The KOW Building Consultants blog shares practical guidance, industry perspectives, and regulatory updates to help lenders, owners, and developers make informed decisions throughout the project lifecycle.

2025 New York Energy Code (ECCCNYS): What Builders and Homeowners Need to Know

2025 New York Energy Code Overview New York State is rolling out the 2025 Energy Conservation Construction Code of New York State (ECCCNYS), which takes effect on December 31, 2025 with no grace period. Any project submitted or postmarked after that date must comply with the new code. The 2025 ECCCNYS is based on the 2024 International Energy Conservation Code (IECC) with New York specific amendments that significantly increase requirements for energy efficiency, electrificat

LL87 Deadline Update: NYC extends 2025 EER filing to March 31, 2026

A quick update to our recent post on NYC Local Law 87 (LL87) compliance. NYC DOB has issued a Service Notice extending the 2025 Energy Efficiency Report (EER) submission deadline from 12/31/2025 to 3/31/2026.   What this means for building owners (2025 filing year) If your building is required to demonstrate compliance in 2025 (Admin Code §28-308.2), your EER is now due: March 31, 2026, and per usual, failure to submit by the due date will result in penalties: $3,000 for the

Weekly Update on Tariffs and U.S. Construction CostsAs of July 1, 2025

Prepared by KOW Building Consultants | Use this data at your own risk   Overall Concern Level: High Due to persistent geopolitical tensions (Iran conflict), unresolved EU tariffs , and rising oil prices, cost uncertainty remains elevated in the U.S. construction sector. Construction Cost Impacts from 2025 Tariffs: Building Type Estimated Cost Increase Change from Last Week Wood-Framed 3% – 5% 0% Poured-in-Place Concrete 5% – 8% 0% Structural Steel 8% – 12% 0% These estimates

June 23, 2025, Update on Tariffs and U.S. Construction Costs

Due to escalating geopolitical tensions, evolving trade agreements, and newly imposed tariffs, construction cost uncertainty remains high across the United States. This week’s update highlights the key developments driving material prices and outlines what construction lenders, developers, and contractors should monitor next.

Tariff Risk Update – May 19, 2025

With the 90-day trade truce between the U.S. and China still in effect, pressure from aggressive tariffs has eased—but uncertainty remains high. While some material prices are stabilizing, underlying supply chain issues and rising labor costs continue to drive project risk.

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