One Missing Signature. Millions in Dispute.

Construction projects across Fairfax County move fast. Owners push for progress. Contractors absorb scope changes on the fly. The paperwork catches up later, or so everyone assumes. The unsigned change order is one of the most common and most expensive problems in Virginia construction law, and it almost always starts with a reasonable-sounding verbal instruction from someone who had the authority to give it, or at least appeared to.

A Springfield general contractor recently found itself performing $340,000 worth of additional structural steel work directed by the project owner’s representative over a series of site meetings. No written change orders were issued. No contract modifications were signed. When the contractor submitted a change order request at project close-out, the owner’s position was simple: nothing was authorized in writing, and the contract required written authorization for all extra work. That position is enforceable in Virginia, and the contractor’s path to recovery became a litigation fight that could have been avoided entirely with a different field protocol.

Shin Law Office represents contractors, subcontractors, owners, and developers throughout Fairfax County in change order disputes, contract negotiations, and the full spectrum of construction litigation. We get involved early when projects start showing the warning signs, and we move quickly when the dispute has already arrived.

Why Change Order Disputes Are So Common on Fairfax County Projects

Fairfax County’s construction market is among the most active in the mid-Atlantic region. Commercial development in Reston and Herndon, mixed-use projects near the Dulles corridor, federal facility work in Chantilly, and residential development throughout the county all involve complex scopes of work, compressed schedules, and project conditions that change between design completion and field execution. When reality differs from plans, someone has to absorb the cost. Who absorbs it, and how much, depends almost entirely on the contract language and whether change order procedures were followed.

The Written Authorization Requirement and Its Exceptions

Most construction contracts in Virginia include a clause requiring all changes to the scope of work to be authorized in writing before the work is performed. These clauses exist for legitimate reasons, and Virginia courts enforce them. However, there are recognized exceptions to this rule that experienced construction attorneys know how to apply. The doctrine of waiver applies when an owner’s conduct, such as consistently accepting and paying for verbal-direction changes throughout the project, effectively waives the written requirement. Cardinal change doctrine applies when the owner directs changes so fundamental that they alter the basic nature of the contract. Quantum meruit claims provide recovery for the fair value of work performed under certain circumstances even without a written change order.

The Notice Requirement Is Not a Technicality

Many Virginia construction contracts require contractors to provide written notice of a change order claim within a specific number of days after the directing event. Seven days, fourteen days, and twenty-one days are common windows. Missing the notice deadline does not automatically forfeit the claim in every circumstance, but it dramatically complicates the recovery path and gives the opposing party a procedural defense that is entirely avoidable. On Fairfax County projects where the pace is fast and the field team is focused on execution, having a contract administration protocol that captures and documents change events in real time is not optional. It is the foundation of any future claim.

Building a Change Order Record That Holds Up

The contractors in Herndon and Vienna who consistently recover on change order claims share a common characteristic: their field documentation is meticulous before the dispute arises. Daily reports that capture verbal directives as they occur, contemporaneous cost tracking for work performed beyond the original scope, emails that confirm the substance of site meeting discussions, and prompt written change order requests submitted as each scope change is identified all create a record that is enormously more valuable than anything reconstructed months later during litigation. Shin Law helps contractors establish these practices and trains project teams to document in ways that protect the company’s legal position from the first day of work.

Owners Face Change Order Risk From the Other Direction

Project owners in Springfield and across Fairfax County face their own change order exposure. An owner whose representative directs scope changes in the field without following the contract’s change order process may be creating enforceable obligations despite the lack of written authorization. Understanding what your project team members are authorized to direct, and making sure they understand the same thing, is a governance matter with significant financial consequences. Shin Law advises owners on change order management protocols that protect their budget without exposing them to contractor claims based on oral authorization.

When Change Order Disputes Reach Litigation

When a Reston or Chantilly construction project ends with disputed change orders that the parties cannot resolve directly, the path forward involves arbitration or litigation depending on the dispute resolution clause in the contract. Virginia’s circuit courts handle construction disputes, and Fairfax County’s circuit court sees a significant volume of construction litigation given the county’s development activity. Change order cases turn on contract language, documentation quality, credibility of project team witnesses, and expert testimony about industry custom and what the additional work was actually worth. Having construction litigation attorneys involved from the early stages of a dispute, not just at the point of filing, consistently produces better outcomes.

References

Cibinic, J., Nash, R. C., & Nagle, J. F. (2016). Administration of government contracts (5th ed.). Wolters Kluwer.

Virginia General Assembly. (2024). Code of Virginia § 11-4.1: Written contracts for construction. https://law.lis.virginia.gov/vacode/title11/

Sweet, J., & Schneier, M. M. (2018). Legal aspects of architecture, engineering and the construction process (9th ed.). Cengage Learning.

Bruner, P. L., & O’Connor, P. J. (2023). Bruner and O’Connor on construction law. Thomson Reuters.

American Institute of Architects. (2017). AIA Document A201: General conditions of the contract for construction. AIA.

Change Order Dispute on a Fairfax County Project?

Shin Law Office helps contractors, subcontractors, and owners throughout Springfield, Reston, Herndon, and Fairfax County recover what they are owed and stop disputes before they derail a project.

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Copyright © 2025 Shin Law Office, PLC. All rights reserved.

Reproduction of any content on this site is prohibited except for individual, non-commercial, informational use. This limited permission does not allow modification, distribution, or incorporation of any content into other works or publications in any medium. You may not reproduce or distribute content from this site to any third party.