GPS Tracking for Construction Crews: What You Can Do, What’s Legal, and How to Set It Up Right

Quick answer 

GPS tracking for construction crews is legal in all 50 states. Most contractors who do it properly use geofencing at clock-in, not all-day location monitoring. Four things that make it legal everywhere: notify crew in writing before it starts, limit tracking to paid work hours, have a written policy, and collect signed acknowledgments. The contractors who get in trouble aren’t the ones who track. They’re the ones who turn it on without telling anyone.

Key facts: Workyard’s analysis of 280 contractor discovery calls found that 55% of construction businesses have no reliable way to verify whether crews are actually on-site when they clock in. The DOL (Department of Labor) Wage and Hour Division recovered $35.5 million in back wages from construction companies in FY2023, the highest of any U.S. industry [DOL WHD, 2023]. GPS records cannot be backdated; paper timesheets can. Union contractors must bargain over GPS implementation before rollout [NLRB, Endurance Environmental Solutions, Dec. 2024].

GPS tracking for construction crews is legal in all 50 states. Most contractors running multiple jobs simultaneously still have no reliable way to confirm whether crews are at the right site at the right time. Workyard’s analysis of 280 contractor discovery calls found 55% operate entirely on the honor system: no site-arrival verification, no way to dispute an hour if something goes wrong. 

This guide covers GPS tracking for construction crews: what’s legal, which setup construction crews actually accept, how to roll it out, and what records it creates.

Is it legal to GPS track your construction crew?

Yes. GPS tracking for construction crews is legal under federal law and in every U.S. state. The two non-negotiable requirements: notify crew in writing before tracking starts, and limit GPS to paid work hours. A written policy documents both.

No federal statute prohibits employer GPS tracking. Employee GPS tracking during work hours is not restricted by federal law. The Electronic Communications Privacy Act (ECPA) governs wiretapping, not GPS location data [18 U.S.C. § 2510 et seq.]. 

The NLRA (National Labor Relations Act) is relevant for union contractors (covered below). For non-union shops, federal law places no barrier on tracking crew during work hours. 

Legal requirements come primarily from state law, and GPS employee tracking laws by state vary significantly on notice and consent.

Company-owned vehicles vs. personal phones. GPS tracking company vehicles in construction is the lowest-risk setup. You own the asset. Tracking a crew member’s personal device requires explicit written consent, and tracking must stop the moment the shift ends. Use company-issued devices, or choose a GPS app that turns tracking off automatically at clock-out.

Union contractors: bargain before you track. In December 2024, the NLRB (National Labor Relations Board) ruled in Endurance Environmental Solutions, LLC (Case No. 09-CA-273873) that electronic monitoring is a mandatory subject of bargaining. An employer who installs GPS tracking without first notifying the union and completing bargaining violates the NLRA. Contact your labor attorney before rollout.

“We’re held contractually to the folks that we are paying. If we’re gonna bill a client for that, then we have to go prove that that person is on site for 10 hours if you say they were there for 10 hours.”

States with specific GPS / electronic monitoring notice requirements

These five states require employer notice by statute before electronic monitoring begins:

State	Key requirement	Statute
California	Written consent required before tracking any device, including company-owned	Penal Code § 637.7; Cal. Lab. Code § 2804
Connecticut	Written notice required before any electronic monitoring of employees	Conn. Gen. Stat. § 31-48d
Delaware	Written notice required; applies to any form of electronic monitoring	Del. Code tit. 19 § 705
New York	Written notice and employee acknowledgment required before monitoring	NY Civil Rights Law § 52-c
Texas	Consent required for tracking personal vehicles; company vehicles require notice	Tex. Penal Code § 16.06 (personal vehicles); notice is best practice for company vehicles

GPS tracking legal requirements for construction contractors: checklist

1. Written GPS tracking policy: What is tracked, when tracking runs, who has access, and how long records are retained
2. Written notice to all crew members: Delivered before the first tracked shift
3. Signed acknowledgment: Collected at onboarding or rollout. Keep the copies.
4. Work-hours-only tracking: GPS runs during paid shifts only. Off-clock tracking is the single largest source of legal exposure.
5. State compliance review: California, Connecticut, Delaware, New York, and Texas each require specific notice. Confirm requirements with a local labor attorney before rollout.
6. Union bargaining: If any crew is covered by a collective bargaining agreement, notify the union and bargain before implementation [NLRB, Endurance Environmental Solutions, LLC, Case No. 09-CA-273873, Dec. 10, 2024].

Three types of GPS tracking, and which one construction companies actually use

For GPS tracking for construction crews, the key decision is continuous vs. check-in GPS tracking. There’s a third option most contractors don’t consider. The legal exposure and crew pushback are different for each.

Type	What it does	Legal sensitivity	Most common use
Location stamp at clock-in/out	Records GPS coordinates at the exact moment of the punch, nothing in between	Low	Verifying crew arrived at the right site
Geofencing with jobsite boundary	Crew can only clock in inside a defined perimeter; alerts if they leave during a shift	Low to medium	Multi-site contractors who need site-arrival proof
Continuous breadcrumb tracking	Records location throughout the full shift at set intervals	Medium to high	Fleet routing, time-and-materials (T&M) billing verification, safety on remote sites

Most construction GPS apps (including Workyard) default to options one and two. Both give you construction crew location verification at the moment that matters (site arrival) without recording every movement across an eight-hour shift. 

For contractors evaluating a GPS fleet tracking app, options one and two are where to start. Workyard’s discovery call research found that 65% of contractors who tried continuous tracking rolled it back within 60 days because of crew pushback [Workyard, 280 contractor discovery calls, 2024]; geofenced clock-in is what lasts.

Option three is legal but creates the most friction. The off-clock problem is where exposure lives: if GPS is still logging after a crew member clocks out and they work an extra 10 minutes, you have a potential wage claim for uncompensated time. Use an app that cuts tracking the moment the shift ends. 

Note: GPS accuracy degrades in downtown high-rise environments and under heavy tree canopy. Workyard’s published spec of sub-50-foot accuracy applies to standard open-sky and partial-canopy conditions. Confirm against your site conditions before relying on it for compliance records.

Every app I tested outside of Workyard used circular geofences. A 300-foot circle around a jobsite address can include the parking lot across the street, a neighboring building, or a gas station at the corner. Jobsite geofencing shaped to the actual site boundary is the more accurate approach, though for contractors managing multiple crews across jobs, arrival verification alone only goes so far.

My biggest thing with Connecteam is I cannot see where my employees are in real time. I can see where they’ve been, and that’s great. But I can’t pinpoint them if I were to look at them right now.

What you need to do before you turn GPS tracking on

Turning GPS tracking on without telling your crew creates legal exposure and kills morale. A written policy and a proper rollout prevent both.

1. Write a GPS tracking policy. Cover what is being tracked, what hours tracking runs, who can access the data, and how long records are retained. One page is enough. Have a labor attorney review it before rollout.
2. Notify every crew member in writing before the first tracked shift. Hand it out at a crew meeting or include it in onboarding paperwork. Collect signatures. Brief your foremen first: supervisors who understand why GPS is going in can answer questions on the jobsite before resistance starts.
3. Decide on your device policy. Track company-issued phones, company vehicles, or personal phones? If personal phones, get explicit written consent and confirm your app stops tracking at clock-out. Company-issued devices are the cleaner setup.
4. Set up geofences for every active jobsite. Set the boundary to the actual site perimeter. A construction time clock GPS setup that locks punches to the site boundary is how you stop buddy punching. A geofence covering only the actual site boundary means a clock-in from the parking lot across the street simply doesn’t register.  See more on buddy punching prevention.
5. If you have union crews: Bargain before rollout. Notify the union and complete bargaining before implementation [NLRB, Endurance Environmental Solutions, LLC, Case No. 09-CA-273873, Dec. 10, 2024].

On crew adoption resistance. The most common objection is: “You’re tracking us all day.” That resistance is almost always about being watched after hours, not about jobsite accountability. 

Workyard’s work-hours-only GPS cuts tracking at clock-out. Employee location tracking limited to work hours is the baseline that makes crew adoption work. When crew members know their location after 3:30 PM is not being recorded, resistance drops. The framing that lands with foremen: you’re verifying site arrivals for client billing, not monitoring anyone. For the full playbook on reducing resistance and getting consistent clock-ins from day one, see the guide on how to get workers to use a time tracking app.

An electrical contractor used Workyard’s location records to resolve attendance disputes that had no paper trail. Site presence on specific dates couldn’t be confirmed either way without the GPS record:

Was it because you had the proof that they were not doing the right thing? Yeah. That was precisely it. That was the whole reason why we wanted to get this — so that we could have evidence and proof of: are people doing what they’re supposed to be? Most of them are doing pretty good. We have, since we took over this job, HR stuff from the people that were down there running it, we’ve fired 16 people.

Can GPS records protect you in a dispute?

In a workers’ comp claim or a Department of Labor (DOL) audit, a paper timesheet is hearsay. A GPS-stamped clock-in with a change log is evidence. Construction workforce tracking that ties GPS location to clock-in timestamps creates a record paper timesheets cannot replicate and cannot be backdated. 

Three scenarios where GPS tracking for construction crews changes the outcome directly:

Workers’ comp injury claims. If a crew member claims injury on a jobsite and your GPS data shows they were not clocked in at that location at that time, that record is directly relevant evidence. Construction and extraction workers accounted for 1,032 workplace fatalities in 2024 [BLS (Bureau of Labor Statistics), Census of Fatal Occupational Injuries, 2024]. When injury claims involve disputed location, GPS records are the only objective evidence available.

I’m in a lawsuit right now with an employee that said he got hurt a year and a half ago, but nobody ever found out about anything. So it’s just hearsay at this point.

That contractor did not have GPS records. Without location data, the only defense is conflicting testimony.

DOL audits and payroll disputes. The FLSA (Fair Labor Standards Act) requires employers to keep accurate daily and weekly hour records for all non-exempt workers for at least three years [DOL, Fact Sheet #21]. GPS-based time records satisfy that requirement. 

Construction companies alone accounted for $35.5 million in back wages recovered across 2,134 DOL cases in FY2023, the highest single-industry total that year [DOL WHD, FY2023; Construction Dive, March 2024]. Across all industries in FY2025, the DOL recovered $259 million in back wages for 176,957 workers, averaging $1,465 per worker [DOL WHD FY2025].

Contractors who run GPS-verified time records eliminate the weekly correction cycle for their back-office team. Verified hours go to payroll without manual re-entry.

Workyard is one of the few…that does everything that we would need it to do to be able to record time, view the changes to time, track the changes to time… Workyard already has the audit trail of all changes made.

Client billing disputes on time-and-materials (T&M) jobs. On time-and-materials contracts, GPS arrival and departure timestamps support every line on the invoice. GPS-verified crew clock-in data answers billing questions directly: exact arrival and departure at each site. See how much data GPS time tracking uses if data costs are a concern on company-issued devices.

What GPS time tracking app works best for construction crews?

Workyard tracks GPS time for construction crews: verified clock-ins, geofenced to the site, tied to cost codes. I’ve tested ClockShark, Hubstaff, and Connecteam against four criteria that matter for multi-site construction: GPS accuracy, legal compliance tooling, offline capability, and payroll integration. Workyard is the one I’d put in front of a contractor.

AV Decking, a large commercial and industrial general contractor with crews across multiple states, was losing an estimated $47,000 per week to inaccurate paper timesheets. Six weeks after rolling out Workyard’s GPS time clock, AV Decking had already exceeded their projected full-year savings:

We’ve had at least a solid six weeks now with all of our guys fully on the app, and in six weeks, we actually over exceeded that $150,000 that we had originally estimated for an entire year.

Workyard uses polygon geofences accurate to under 50 feet, per published GPS specifications. In practice, GPS breadcrumb accuracy is what contractors push back on most when evaluating apps. In my testing, every GPS app I evaluated outside of Workyard used circular geofences with fixed radii. Workyard’s polygon geofences are shaped to the actual site boundary, so a clock-in from the parking lot across the street doesn’t count.

Work-hours-only GPS. Workyard’s tracking turns off when the crew clocks out. The crew’s location after 3:30 PM is not Workyard’s data. That removes the off-clock wage liability and the crew’s main adoption objection in one setting.

Offline sync for remote sites. Cell signal drops on jobsites. Workyard caches clock-in data locally and syncs when connection is restored. The GPS timestamp stays accurate to when the punch actually happened.

Direct payroll integrations. Workyard exports to QuickBooks, ADP, Gusto, and Sage. GPS-verified hours go directly to payroll without re-entry. The back-office admin correcting paper timesheets every Friday stops doing that.

Workyard runs a four-step cycle: GPS locks the clock-in to the site, so crews can’t punch in from the truck. Any disputed hour gets resolved against the location record rather than the foreman’s memory. Verified hours go to payroll without re-entry. The real-time dashboard shows who’s clocked in across every active job at once.

Who Workyard is and isn’t built for. If you run one fixed site and your crew never moves, geofenced clock-in from any app covers it. Workyard is built for contractors running two to fifteen simultaneous jobs, tracking against cost codes, and needing compliance-grade audit trails that hold up in a DOL audit or a workers’ comp dispute.

GPS that your crew will actually use

See how Workyard GPS works