Lou Perez
Mar 31, 2025

April 2025 Construction Calendar: Your Guide to Industry Events

Events
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Spring is in full swing, and so is the construction industry! April is packed with events offering countless opportunities for learning, networking, and discovering the latest trends and innovations. Whether you’re a general contractor, subcontractor, project manager, or construction business owner, this month's lineup of conferences, expos, and conventions has something for everyone. Mark your calendar, connect with industry leaders, and explore solutions that will help you stay ahead in the ever-evolving construction landscape.

Spot the Lumberjacks

Look for the Lumber crew at these industry gatherings - we're always up for meaningful conversations and good coffee. Come say hello.

Build 25

Date: Mar 31 - Apr 3, 2025
Venue: Charlotte Convention Center, Charlotte, North Carolina

Join us in Charlotte, North Carolina, and be a part of the largest trade show for the wall and ceiling industry. Discover the latest products, services, and cutting-edge solutions to drive success in the industry.

  • Network with top industry professionals.
  • Explore new technologies, software and innovations.
  • Experience hands-on demonstrations of tools, equipment
    and supplies.
  • From drywall and ceilings to acoustics, lath and metal framing, plaster, EIFS, insulation, software, and more—every segment of the market is represented.

Click here to know more.

Charlotte Meet the Generals

Date: Apr 10, 2025
Venue: Sonesta Charlotte Lower South End,  5700 Westpark Drive, Charlotte, NC, 28217

This is a Members-only event except for General Contractor category. You may request to cancel your ticket for a full refund, up to 72 hours before the date and time of the event. Cancellations between 0-72 hours are non-refundable.  All refunds above $100 will receive a check for the refunded amount to the assigned billing person and address on the registration. All Members must be in current standing with 2025 renewals to attend our events.  Know more

April 2025 Events

NASTT 2025 NO-DIG Show

Date: Mar 30 - Apr 03,  2025
Venue: Colorado Convention Center, Downtown Denver, Colorado, USA

The NASTT No-Dig Show is a specialized conference for professionals in the trenchless technology sector, focusing on underground utilities for installation, repair, and maintenance. Taking place from 7 a.m. to 11 p.m., the event offers a full schedule of breakfasts, sessions, talks, demonstrations, and meetings. Attendees can explore the latest innovations in trenchless technology, engage in discussions, and network with industry leaders and big-name brands. Stay tuned for announcements on speakers and sponsors. Know more 

Association of the Wall and Ceiling Industry Convention + Expo

Date: Mar 31 - Apr 03,  2025
Venue: Charlotte Convention Center Westin Charlotte Charlotte, NC, USA.

The Association of the Wall and Ceiling Industry Convention + Expo, happening from March 31 to April 3, 2025, is a must-attend event for professionals in the wall and ceiling industry. This convention offers valuable networking opportunities, informative panel discussions, and a comprehensive exhibition showcasing the latest trends, technologies, and best practices. It’s the perfect platform to connect with industry experts, stay updated on innovations, and gain insights to improve business strategies and operations in the wall and ceiling sector. Know more

International Conference on Architecture, Materials, and Construction (ICAMAC) / IIRST

Date: April 1 - April 2, 2025
Venue: San Francisco, USA.

The International Conference on Architecture, Materials, and Construction (ICAMAC - 25) will be held on April 1st-2nd, 2025, in San Francisco, USA. This event serves as a dynamic platform for researchers, scientists, academicians, policymakers, and industry professionals to share insights, discuss trends, and collaborate across various disciplines. Attendees will engage in stimulating discussions, present research findings, and network with global experts. The conference highlights innovations in architecture, materials, and construction, offering opportunities for professional development, knowledge exchange, and career growth. Participants can also showcase their work and contribute to advancing their fields through collaborative learning. Know more

Common Ground Alliance (CGA) Conference & Expo

Date: April 7 - April 10, 2025
Venue: Common Ground Alliance, 908 King Street, Suite 200, Alexandria, VA 22314, USA.

The 2025 CGA Conference & Expo, taking place April 7-10, 2025, at the Orlando Marriott World Center, is the premier event for the damage prevention industry. With a focus on evolving technologies and practices, the conference offers immersive education sessions and nearly two football fields of exhibits. Attendees will have access to cutting-edge solutions and networking opportunities with senior-level executives from utilities, construction, one-call services, and equipment manufacturers. It’s an essential event for industry leaders, decision-makers, and influencers. Know more

2025 World of Modular

Date: April 7 - April 10, 2025
Venue: Bellagio Resort & Casino, 3600 South Las Vegas Boulevard, Las Vegas, NV 89109, United States.

The 2025 World of Modular is an annual convention and tradeshow for modular construction professionals, taking place from April 7-10, 2025. This event offers a platform to network, exchange ideas, showcase products, discuss industry issues, and gain recognition. It serves as an open forum for those involved in commercial modular construction, providing valuable opportunities for learning, collaboration, and growth within the industry. Don’t miss the chance to connect with experts and stay ahead of trends in modular construction. Know more

Venture West

Date: April 8 - April 10, 2025
Venue: The City Club of San Francisco, 155 Sansome St, 10th floor, San Francisco, CA 94104, USA.

Venture West is a premier event series that unites corporate leaders, innovators, and investors at the forefront of digital transformation in the construction and built environment sectors. Hosted by BuiltWorlds, this conference has become the world’s leading symposium for those shaping the future of emerging technologies in construction. Since its inception in 2018, Venture West has been a vital platform for both early and late-stage investment discussions, highlighting trends and breakthroughs that are transforming the construction industry and built world ecosystem. Know more

The Associated General Contractors of America Convention

Date: April 8 - April 10, 2025
Venue: Greater Columbus Convention Center, 400 North High Street, Columbus, Ohio 43215, USA.

The Associated General Contractors of America (AGC) 2025 Annual Convention, taking place April 8-10 in Columbus, Ohio, offers contractors valuable insights into the issues shaping the construction industry. The event brings together experts to help contractors navigate today’s challenges and prepare for the future. The agenda includes a variety of sessions tailored to different sectors, along with networking opportunities. Attendees can also look forward to the AGC Kansas City chapter dinner on April 8. Register for more details and chapter-specific events. Know more

International Conference on Rehabilitation and Maintenance in Civil Engineering For Sustainable Construction (ICRMCESC) /IIRST

Date: April 8 - April 9, 2025
Venue: Boston, USA.

The International Conference on Rehabilitation and Maintenance in Civil Engineering for Sustainable Construction (ICRMCESC - 25) will be held on April 8th-9th, 2025, in Boston, USA. This conference brings together researchers, scientists, academics, policymakers, and industry experts to discuss the latest advancements and trends in civil engineering focused on rehabilitation, maintenance, and sustainable construction. Attendees will engage in thought-provoking discussions, present their research, and network with leading professionals. The event offers exceptional opportunities for knowledge exchange, professional development, and collaboration, making it an ideal platform for advancing the field of sustainable construction and civil engineering practices. Know more

Construction Expo

Date: Apr 8 - Apr 9, 2025
Venue: Crossland Technology Center, Pittsburgh

Uncover the world of construction like never before at the PSU School of Construction Expo! Join us for two action-packed days, starting on Tuesday, April 8, 2025, with insightful presentations and seminars. On Wednesday, April 9, from 9:00 am to 2:00 pm, dive into a hands-on exploration of construction equipment, cutting-edge technology, and tools used in the field today. Know more

International Conference on Airport Engineering, Management, Design and Construction (ICAEMDC) / ISER.

Date: April 14 - April 15, 2025
Venue: New York, USA.

The International Conference on Airport Engineering, Management, Design, and Construction (ICAEMDC-25) will be held on April 14th-15th, 2025, in New York, USA. Organized by ISER, this event will gather leading scientists, academicians, industry professionals, and experts to discuss solutions, innovations, and future strategies in airport engineering and construction. Attendees will have the opportunity to participate in insightful discussions, present their research, and network with key professionals in the field. The conference aims to foster collaboration and knowledge exchange, providing a platform for participants to explore groundbreaking ideas and contribute to the advancement of airport infrastructure. Know more

International Conference on Timber Construction, Design and Modelling (ICTCDM) /EFSTM

Date: April 15 - 16th, 2025
Venue: Los Angels, USA.

The International Conference on Timber Construction, Design, and Modelling (ICTCDM-25) will be held on April 15th-16th, 2025, in Los Angeles, USA. This event aims to bring together researchers, scholars, industry professionals, and entrepreneurs to advance the field of timber construction. It will offer a platform for sharing knowledge, exploring innovations, and discussing challenges in timber design and modelling. Through keynote speeches, research presentations, workshops, and networking opportunities, attendees will be inspired and equipped to drive progress in the field. The conference seeks to inspire motivation and foster collaboration for the continued growth and development of timber construction. Know more

AGC Mental Health & Suicide Prevention Forum

Date: Apr 16 - Apr 17, 2025
Venue: Online event

The Role of Peer Support in Critical Incident Stress Management

This presentation will focus on expanding and refining the typical critical incident response to better meet the individual needs of workers.  We know not everyone will participate in a Critical Incident Stress Management (CISM) group; some people need one-to-one support.  We also know that many people will need ongoing or “sporadic” support following the incident.  Trauma and the resolution of trauma is not linear. Trauma may not be resolved in a single group session, and many people will not even “feel the effects” until some time has passed.  

This webinar will focus on a novel approach to critical incident response that combines classic critical incident stress debriefing strategies with long-term (specially trained and supervised) peer support.

The AGC Mental Health & Suicide Prevention Forum meets virtually on a quarterly basis to gather and share information, resources, and best practices among stakeholders in the construction industry. Open to all AGC members and chapters, the goal of these forums is to provide a safe space where construction industry stakeholders can come together to share success stories, discuss challenges, and seek or share resources and best practices. Know more

Dallas Build Expo

Date: April 23 - April 24, 2025
Venue: 2200 N Stemmons Fwy, Dallas, TX 75207, USA.

The Dallas Build Expo, America's premier regional building and construction event, will take place on April 23rd-24th, 2025, at Dallas Market Hall. This essential industry show brings together professionals from across the construction sector to explore the latest products, technologies, and innovations. Attendees will have the opportunity to network with industry leaders, discover new solutions, and attend informative sessions that address key trends and challenges in the building and construction field. It’s an unmissable event for those looking to advance their knowledge and business in the industry.  Know more

April is brimming with opportunities to connect, learn, and grow within the construction industry. From hands-on expos and groundbreaking technology showcases to specialized conferences and networking events, there's something valuable for everyone. Whether you're exploring partnerships, staying up-to-date on trends, or simply looking to build meaningful connections, these events are your gateway to success. Be sure to stop by and say hello to the Lumber team along the way – we can't wait to meet you!

Stay tuned for more updates and event highlights throughout the year. See you on the road!

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Introduction

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“In a world older and more complete than ours they move finished and complete, gifted with extensions of the senses we have lost or never attained, living by voices we shall never hear.”
Lou Perez
Head of Sales,

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Software and tools

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Other resources

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Mandatory Deadlines | Internal Review/Best Practice 
Critical Construction Compliance | Awareness Week
January 2026
Jan 2, 7, 9, 14, 16, 21, 23, 28 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Thursday, Jan 15, 2026
Deadline for December 2025 Monthly Depositor Tax Liabilities
Monday, Feb 2, 2026
(Standard Jan 31 deadline shifted to next business day as it falls on a weekend)
1. File Form 941 (Employer's Quarterly Federal Tax Return) for Q4 2025
2. Distribute Form W-2s to employees for 2025
3. Distribute Form 1099-NEC to subcontractors for 2025
4. File Form W-2s with the Social Security Administration (SSA)
5. File Form 1099-NEC with IRS
6. File Form 1096 (summary of 1099s)
7. State Unemployment and Quarterly Wage Reports for Q4 2025
These reports are typically due Jan 31. Verify state-specific deadlines and file accordingly.
Annual Depositor Deadline (Form 944 Filers)
Annual depositors must file Form 944 and deposit taxes with the return by this date. 
February 2026
Feb 4, 6, 11, 13, 18, 20, 25 & 27
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Tuesday, Feb 10, 2026
Extended deadline to file Form 941 (Q4 2025)
Only if all Q4 2025 federal tax deposits were made on time.
Tuesday, Feb 17, 2026
Deadline for January Monthly Depositor tax liabilities
(Feb 15 is a Sunday and Feb 16 is President’s Day)
March 2026
Mar 4, 6, 11, 13, 18, 20, 25 & 27
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Mar 2, 2026
File Form 1099-MISC with the IRS (paper filing)
(Standard Feb 28 deadline shifted to next business day)
Monday,
Mar 16, 2026
Deadline for Feb Monthly Depositor tax liabilities
April 2026
Apr 1, 3, 8, 10, 15, 17, 22, 24 & 29
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Wednesday
Apr 15, 2026
Deadline for March Monthly Depositor tax liabilities 
Thursday, Apr 30, 2026
1. File Form 941 for Q1 2026
2. File State Quarterly Wage Reports (Verify state-specific deadlines)
Internal Compliance Review: Review certified payroll reports and compliance for Q1.
Certified payroll reports are due WEEKLY for prevailing wage projects.
May 2026
May 1, 6, 8, 13, 15, 20, 22, 27 & 29
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Friday, May 15, 2026
Deadline for April Monthly Depositor tax liabilities
June 2026
Jun 3, 5, 10, 12, 17, 19, 24 & 26
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Jun 15, 2026
Deadline for May Monthly Depositor tax liabilities 
Tuesday, Jun 30, 2026
1. Mid-year review of workers' compensation insurance
2. Review certified payroll compliance for prevailing wage projects
Certified payroll reports are due WEEKLY for prevailing wage projects.
July 2026
Jul 1, 3, 8, 10, 15, 17, 22, 24, 29 & 31
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Wednesday, Jul 15, 2026
Deadline for June Monthly Depositor tax liabilities 
Friday, Jul 31, 2026
1. File Form 941 for Q2 2026
2. File state quarterly wage reports (Verify state-specific deadlines)
3. Review and update fringe benefit rates for union projects
August 2026
Aug 5, 7, 12, 14, 19, 21, 26 & 28
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Aug 17, 2026
Deadline for July Monthly Depositor tax liabilities 
(Aug 15 is a Saturday)
September 2026
Sep 2, 4, 9, 11, 16, 18, 23, 25 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Sep 7 - Sep 11, 2025
National Payroll Week
Take a moment to appreciate yourself this week. You deserve it.
Tuesday, Sep 15, 2026
Deadline for August Monthly Depositor tax liabilities 
Wednesday Sep 30, 2026
1. Review job costing and labor burden rates
2. Prepare for year-end certified payroll audits
October 2026
Oct 2, 7, 9, 14, 16, 21, 23, 28 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Thursday, Oct 15, 2026
Deadline for September Monthly Depositor tax liabilities 
November 2026
Nov 4, 6, 11, 13, 18, 20, 25 & 27
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Nov 2, 2026
1. File Form 941 for Q3 2026
2. File state quarterly wage reports (Verify state-specific deadlines)

Monday, Nov 16, 2026
Deadline for October Monthly Depositor tax liabilities 
(Nov 15 is a Sunday)
Monday,
Nov 30, 2026
Year-End Preparation:
1. Order W-2 and 1099 forms for year-end
2. Review subcontractor W-9s and update as needed
December 2026
Dec 2, 4, 9, 11, 16, 18, 23, 28 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Tuesday,
Dec 15, 2026

1. Final payroll of the year - verify all hours and classifications
2. Ensure all certified payroll reports are submitted for prevailing wage work
Certified payroll reports are due WEEKLY for prevailing wage projects.
3. Complete year-end workers' compensation audit paperwork
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