Free on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted
The assessment is free and the quote is the invoice.
Fast, Reliable Gate Installation Across Mantua
Gate installation in Mantua runs about $1,800 to $6,500 for a new driveway gate with operator, and $600 to $1,900 for a walk gate, depending on material and whether we’re resetting the posts. Most jobs in the 22031 zip take one to three days once materials are on hand. Hal Gatewood has been building and repairing gates in Fairfax County since 2001, and he’ll tell you straight: the gate itself is rarely the problem. It’s what’s under it. Call (877) 610-2993 and you’ll get a live person who knows exactly what Mantua clay does to a gate post.
Why Gatewood Fence & Gate Is Mantua’s Preferred Gate Installation Company
We work Mantua every week, so we don’t need a GPS to find the neighborhoods off Glen Park Road and the cul-de-sacs threading down toward Accotink Creek. We know the houses. Ranches and split-levels from the 1950s and 1960s, brick colonials up on the ridge, and gate posts that were somebody’s weekend project forty years ago. When you call us about a gate that binds in January, we already know the post likely stops at 12 or 14 inches instead of the 18-inch frost depth. That’s not a guess. That’s just what Mantua’s clay does.
Hal’s name is on the shop and on every invoice. He’s been owner-operated since 2001, and if your gate isn’t right after we leave, the 90-Day Done Right Promise puts that in writing. One call brings him back. No runaround. Mantua homeowners have told us the same thing for years: the reason they called is because somebody else couldn’t explain why their gate worked in March and seized up by December. We don’t do mystery. We show you the post, the footing, the hinge, and then we fix the actual problem.
Our Gate Installation Services in Mantua
Driveway Gate
A driveway gate in Mantua usually spans 10 to 14 feet and swings on posts that have been fighting clay heave for decades. If the posts are solid and straight, we can hang a new steel or aluminum gate and pair it with a Linear or LiftMaster operator. If the post base shows the telltale frost crack, we reset it in concrete below the frost line before we hang anything. Skipping that step gets you a gate that sags again in two winters.

Pedestrian Gate
Walk gates around Mantua run $600 to $1,900, with most landing in the $900 to $1,300 range for a steel frame with wood infill or powder-coated aluminum. These are the gates that get used ten times a day and never adjusted. The hinge post leans, the latch bolt misses the strike, and the panel drags. We weld and set posts on site, so the gate stays in your yard.

Sliding Gate
Sliding gates make sense on Mantua lots where the driveway slopes toward the street or where there isn’t room for a gate to swing into the yard. The track has to sit level, which means we’re almost always pouring a new concrete pad and tying it into undisturbed soil below the frost depth. A sliding gate with operator on a Mantua driveway typically starts around $3,200 and goes up with panel material and access controls.

Swing Gate
Most of Mantua’s older gates are swing gates, and most of them were hung on shallow-set posts before safety sensors existed. We can often save the panel and rebuild what matters: new posts at 24 inches or deeper, welded hinge reinforcements, and a modern operator with photocells and entrapment protection. That brings an old gate into UL 325 compliance without the cost of a full replacement.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Mantua
We’re certified to service and install Linear, Viking, Ghost Controls, and DoorKing, along with five other major brands. That matters in Mantua because a lot of operators installed in the last ten years are off-brand units that parts suppliers have stopped stocking. We keep common boards, photocells, loops, and remotes on the truck when we come to Mantua, which means fewer second trips. If you’ve got a Viking or Ghost Controls box on the post, we can usually diagnose it on the first visit and have parts running by the next morning.
Common Gate Installation Problems We See in Mantua Homes
- Shallow posts heaving in clay. Mantua’s expansive clay absorbs winter moisture, freezes, and lifts posts set 12 or 14 inches down. The gate looks warped, but the real problem is the footing. We reset posts at 24 inches, below the frost line, in a concrete footing that won’t move.
- Gates hung before safety sensors existed. Original 1950s through 1970s gates have no photocells, no edge sensors, no entrapment protection. Under UL 325, any automatic operator we install requires them. We retrofit panels where the structure is still sound.
- Falling limbs from mature oaks and maples. Mantua’s tree canopy is a selling point until a summer storm drops a limb on your gate. Bent stiles and sheared hinges are the most common emergency calls we get here.
- Operators wired to undersized circuits. Many older Mantua homes have gate operators pulling from a garage or outdoor outlet never meant for motor loads. We run a dedicated circuit rated for the operator’s surge draw, which stops the breaker-tripping that always seems to happen when it’s raining.
Pricing for Gate Installation in Mantua, VA
Here’s what we quote in Mantua, with prices agreed before any work starts:
- Pedestrian gate, steel or aluminum, installed: $600 - $1,900
- Driveway swing gate, steel frame with wood or aluminum infill: $1,800 - $4,200
- Driveway sliding gate with track and operator: $3,200 - $6,500
- Operator retrofit on an existing gate (sensors included): $950 - $2,400
- Post reset in concrete below frost line: $450 - $900 per post
Every quote is written, itemized, and locked before the first hole is dug. We don’t show up with a different number. Seniors and veterans get 10% off any job, and we’ll knock $40 off any installation over $200. Estimates are free, and there’s no trip charge inside Fairfax County. Call (877) 610-2993 and we’ll come measure the site and hand you a number you can hold us to.
We Also Serve Cities Near Mantua
Our Gate Installation crews cover the surrounding area as well: Merrifield, Vienna, Fairfax, and Woodburn are all within a short drive. If you’re in Mantua or right next door, the same crew and the same owner show up. See our Mantua coverage for the specifics.
Serving Mantua, VA - Our Local Coverage Area
We’re based in the Mantua area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Gate Installation in Mantua
Gate posts in Mantua should be set at least 24 inches deep, which puts them well below the 18-inch frost line that Fairfax County’s expansive clay respects. A 24-inch concrete footing with a proper gravel base is what stops the heave-and-drop cycle that binds swing gates every winter. We see original posts at 12 to 14 inches all the time around Mantua, and those are the ones that fail. Call (877) 610-2993 and we’ll tell you what’s actually under your gate.
If the panel is structurally sound and the hinge side isn’t rotted, we can often retrofit it with a modern operator, photocells, and entrapment protection for $950 to $2,400. The catch is the post. If the post has heaved or cracked, the retrofit won’t hold alignment, and you’ll be chasing it forever. We’ll tell you straight which one you’re looking at, and the quote is free.
Usually it’s moisture in a photo eye or a loop detector, or the post shifted just enough after a rain to break the photocell alignment. Mantua’s clay swells when wet, which can tilt a post a quarter inch and throw the whole safety circuit off. We trace the fault on site and fix what moved, not just reset the operator. If it happens after a limb falls, call us before you bend the panel back yourself.
A loop detector is a wire loop buried in the driveway that senses your car and tells the gate to open or stay open. On a Mantua driveway where the gate tends to swing blind and traffic backs up onto Glen Park or the side streets, a loop is the difference between smooth entry and a gate that fights you. Sliding gates need them more often than swing gates, but we’ll tell you if your driveway warrants one.
Yes, and that’s often the better choice when the driveway slopes so a swing gate would drag or fail to latch. We pour the track pad level to the slope, anchor it below frost depth, and hang the gate so it rides true. Typical sliding gate installs in Mantua run $3,200 to $6,500. Call (877) 610-2993 for an exact quote, free.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate, serving Mantua, VA. Hal has been building and repairing gates in Fairfax County since 2001.





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