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General Contracting Industry

GCs, builders, and construction management

Change Order Notice Rules: What General Contractors Should Verify Before Work Changes
Regulation

Change Order Notice Rules: What General Contractors Should Verify Before Work Changes

A general contractor guide to change order notice rules, written approvals, contract time, supporting documentation, owner communication, and claim-preservation checks.

Tradesman News Staff·May 12, 2026·7 min read

Trade Coverage

General Contracting news and field guides

Bid comparison, subcontractor coordination, project controls, and builder business systems.

For gc owners, builders, preconstruction leads, pms, and superintendents. who need to track the signals that can change a bid, crew plan, supplier order, or field decision.

Reader Fit

Useful when prices, rules, tools, labor, or market shifts could change what you quote, buy, schedule, or double-check before work starts.

Estimating & Pricing

Takeoffs, bids, markup, margin, change orders, and proposal structure.

Materials & Costs

Supplier movement, material pricing, waste factors, and cost volatility.

Labor & Crews

Crew productivity, wages, recruiting, training, and foreman systems.

Tools & Equipment

Buying guides, field tech, rental decisions, maintenance, and comparisons.

Safety & Regulation

OSHA, licensing, permitting, code updates, jobsite safety, and insurance implications.

Sales & Business

Lead flow, cash flow, collections, service agreements, and client communication.

Technology

Software, AI, automation, mobile workflows, data, and contractor operating systems.

Starting Guides

3 guides
Estimating

How to Estimate General Contracting Jobs

Show what to check from scope review through quantity takeoff, labor, materials, overhead, markup, and final proposal.

What readers get

The checks, tradeoffs, and local questions to run before the next bid, supplier call, or field decision.

Read the guide
Business

General Contracting Pricing Guide

Separate direct cost, overhead, markup, margin, risk, and market fit in general contracting pricing.

What readers get

The checks, tradeoffs, and local questions to run before the next bid, supplier call, or field decision.

Read the guide

General Contracting Field Library

The fastest path through the hub: start, price, avoid mistakes, then build systems.

Get the weekly brief

Start Here

The foundational guide for understanding how this trade prices and scopes work.

Pricing

Markup, margin, overhead, allowances, and the pricing decisions that protect profit.

Mistakes

The recurring estimating and operating misses that make good jobs go sideways.

Tools

Equipment, software, calculators, templates, and field systems worth evaluating.

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