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Typically runs $8,000 to $12,800 USD per guard post/month. See prices by city
8,749 companies
STORMHAMMER SECURITY
# 0 A BIOMETRICS FINGERPRINTING U S PHOTO INC
#1ST CHOICE LIVESCAN FINGERPRINTING INC
1 CERBERUS SECURITY & PATROL
10-4 PATROL SERVICES
1091 SECURITY SERVICES INC
10BM24 HOLDINGS, LLC.
11B TACTICAL PROTECTION, INCORPORATED
12 SOUTH NEIGHBORHOOD ASSOCIATION
12"O"27 PROTECTIVE SERVICES, INC
1351 INVESTIGATIONS LLC
16 EAGLE SECURITY & ARMED SERVICES LLC
1National Executive Security Services
1ST CLASS EXECUTIVE PROTECTION, LLC.
1ST CLASS SECURITY & PATROL SERVICES
1st Class Security Services, LLC
1ST LINE PROTECTION INC
1ST MOBILE FINGERPRINT PLLC
1ST SECURITY SERVICES OF NEVADA CORP.
1ST SERVICE SECURITY SOLUTIONSLLC
1ST VETERANS SECURITY LLC
21ST CENTURY SECURITY INC
21st century security services LLC
230 NORTH LLC DBA BOBBY HOTEL NASHVILE
230 NORTH LLC DBA BOBBY HOTEL NASHVILLE
24 HR. TERRITORY PROTECTION AND PATROL SERVICES
24/7 CHICAGO LOCKSMITH LLC
24/7 LOCKSMITH NEARBY PLLC
24/7 SECURITY AGENCY LLC
24/7 SECURITY SOLUTIONS CORP
24/7 SPEEDY LOCKSMITH CHICAGO INC.
Showing the top 48 ranked companies out of 8,749 offering construction site security. Filter by city above or browse the full directory.
Construction site security protects active build sites from the theft, vandalism and trespassing that spike after the crews go home. A construction site is a uniquely soft target: expensive tools, copper wire, lumber, appliances, fuel, catalytic converters and heavy equipment sit exposed on an open, changing footprint with no permanent walls — and losses don't just cost the stolen materials, they cause the delays, insurance claims and liability that blow a project's schedule and budget. Security officers for construction sites are supplied by licensed guard companies — a BSIS Private Patrol Operator (PPO) firm in California, an IDFPR-licensed agency in Illinois — and the most cost-effective programs combine a night post with patrol and camera technology.
Copper and wire, power tools, generators, appliances, lumber, fuel and catalytic converters are the perennial targets, and heavy equipment theft — loaders, skid steers, trailers — is a costly and growing problem. The risk concentrates at night, on weekends and over holidays, when the site is empty, which is why construction coverage is usually weighted to those windows rather than staffed around the clock.
During working hours, an officer at the entrance controls who comes onto the site — subcontractors, deliveries and visitors — logs materials and equipment in and out, and enforces the site's safety and sign-in rules. That access log deters the internal theft and material "walk-off" that open sites are prone to, and gives the general contractor a record of who was on site.
Because a construction site's value is spread across an open footprint, a single static guard can't see it all. Many programs pair a night officer with mobile patrol, or use trailer-mounted, solar-powered camera towers with motion detection and remote monitoring — sometimes with live talk-down — to cover the perimeter and cut cost versus multiple posts. The right mix depends on the site's size, phase and location.
Look for a firm with genuine construction experience that understands site safety, will write post orders around the project's risk hours, and can flex coverage as the build moves from open ground to enclosed structure. Confirm the state license and insurance, and whether the program can scale patrol, posts and cameras up or down by phase.
Construction posts price like standard guard posts — roughly $8,000–$12,800 per month for a single 12-hour daily shift — typically weighted to nights, weekends and holidays when theft risk peaks. Many sites cut the total by combining a night post with mobile patrol or camera monitoring rather than staffing 24/7, and by scaling coverage to the build phase.
Estimated prices per guard post/month. Priced like standard guard posts, typically weighted to nights/weekends when theft risk peaks. Many sites combine a night post with mobile patrol or camera monitoring to cut cost.
How much does construction site security cost? See prices by city →
$7,800 — $13,000 USD
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$6,800 — $11,000 USD
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$8,600 — $14,000 USD
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$8,400 — $13,000 USD
$8,200 — $13,000 USD
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$8,800 — $14,000 USD
$7,800 — $13,000 USD
$6,800 — $11,000 USD
$7,000 — $11,000 USD
$7,600 — $12,000 USD
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$8,000 — $13,000 USD
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$7,200 — $12,000 USD
$8,000 — $13,000 USD
$8,800 — $14,000 USD
$7,800 — $13,000 USD
$7,600 — $12,000 USD
$8,600 — $14,000 USD
$9,000 — $14,000 USD
$8,600 — $14,000 USD
$7,200 — $12,000 USD
$7,800 — $13,000 USD
$8,200 — $13,000 USD
$8,000 — $13,000 USD
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$8,400 — $13,000 USD
$8,200 — $13,000 USD
$6,800 — $11,000 USD
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$6,800 — $11,000 USD
$7,000 — $11,000 USD
$7,000 — $11,000 USD
$8,600 — $14,000 USD
$7,400 — $12,000 USD
$7,600 — $12,000 USD
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$7,600 — $12,000 USD
$6,800 — $11,000 USD
$6,800 — $11,000 USD
$8,600 — $14,000 USD
$7,000 — $11,000 USD
$7,200 — $12,000 USD
$7,600 — $12,000 USD
$7,200 — $12,000 USD
$9,200 — $15,000 USD
$7,600 — $12,000 USD
$6,800 — $11,000 USD
$6,800 — $11,000 USD
$6,800 — $11,000 USD
$7,000 — $11,000 USD
Reference estimates. Request quotes for exact pricing based on your needs.
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Before you hire
Construction sites lose an estimated $300M–$1B a year to theft, and an injured trespasser can be a bigger risk than the loss. Here's how to protect a site — guards, patrol, cameras — what it costs, and the attractive-nuisance liability you can't ignore.
Read the full guideSpecialized construction site security solutions for every sector.