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 Lanham-Seabrook
A new driveway gate in Lanham-Seabrook typically runs $2,400 to $7,800 installed, depending on whether you need a single swing gate, a double gate across a wide driveway, or a sliding gate on a track. Most jobs take one to two days once materials arrive, and we quote the full price before any work starts. Call (877) 610-2993 and you’ll get Hal or one of his crew on the line, not a voicemail.
If you live off Annapolis Road or back in the older sections of the 20706 zip code, you already know the two problems that come with gates in this part of Prince George’s County: heavy clay soil that shoves posts out of plumb every winter, and long driveways where running mains power to a gate opener costs more than the opener itself. We plan for both before we dig the first hole. That’s the difference between a gate that still latches square in five years and one that sags the first wet spring.
Why Gatewood Fence & Gate Is Lanham-Seabrook’s Preferred Gate Installation Company
Hal Gatewood has been building and fixing gates since 2001. The shop is owner-operated, the license number is published, and the name on the invoice is the same person who shows up at your driveway. Around Lanham-Seabrook, that still matters. Homeowners here have dealt with outfits that quote one price on the phone and show up with another number on a clipboard. We don’t work that way.
Our customers in the ranch and split-level neighborhoods south of Route 450 talk about two things when they recommend us: we show up in the window we promised, and we fix the post before we bother with the panel. A gate sags in the hinge post, not in the middle. We offer Gate Parts & Welding in Lanham-Seabrook on site, we set posts deep enough for PG County clay, and every job carries the 90-Day Done Right Promise in writing. If it’s not right, one call brings Hal back. No runaround, no “up to” language.
We’re also one of the few Gate Installation crews in the area certified to service nine major gate brands, including Viking, Ghost Controls, and DoorKing. That matters when you have a solar opener on a back acreage gate and the local supply house only stocks one brand of control board.
Our Gate Installation Services in Lanham-Seabrook
Driveway Gate
Driveway gates in Lanham-Seabrook run wider than the suburban average. The older ranch properties off Annapolis Road and along the 20706 corridor often have driveways built for two cars side by side or a truck and trailer. A single 10-foot gate leaf works for some, but a 16-foot double gate is the more common request when we measure. We hang the gate level with the driveway grade, not the lawn, and we set the hinge post in concrete deep enough to fight the clay heave.
Every driveway gate we install gets a physical stop in the open and closed position. That keeps wind off the Chesapeake from slamming a gate leaf against the post and bending hardware on the first storm.

Pedestrian Gate
A pedestrian gate beside a driveway gate is the easiest thing to get wrong. People hang it off the same post as the driveway gate, which means two gates pulling on one concrete pad. In Lanham-Seabrook clay, that post starts leaning within two winters. We set pedestrian gates on their own posts with their own footings, and we match the latch hardware to the same keypad or intercom system as the driveway gate so you don’t carry two keys.

Sliding Gate
Sliding gates make sense on Lanham-Seabrook properties where the driveway slopes up toward the house. A swing gate opening uphill fights gravity every single cycle and burns through hinge bushings fast. A sliding gate rides on a track and carries its weight on wheels instead of hinges. We install cantilever and V-track sliding gates, and we always specify a motor rated for at least one size above the gate weight. Undersized operators are the number one reason sliding gates in this area stop working within a year.

Swing Gate
Swing gates are what most people picture when they imagine a Lanham-Seabrook home with a fenced yard and a driveway opening onto Route 450. The hinges are the whole job. We use adjustable steel hinges sized for the full leaf weight, and we weld the hinge barrels to the post rather than relying on bolts that wallow out. For double swing gates, we order operators with matched control boards so both leaves move together instead of fighting each other.

Double Gate
Double gates across wide ranch driveways are the most failure-prone installation we see in Lanham-Seabrook. Not because the concept is hard, but because most installers treat a double gate like two single gates hanging next to each other. They’re not. The two leaves share a center stop, a single pair of operators, and one alignment plane. We set both hinge posts in the same pour where the driveway width allows, which keeps them moving together through freeze-thaw cycles. On wide farm gates, we also spec operators with enough torque for wind drag, because a 20-foot double leaf pushing into a March wind can stall a residential motor in a week.
On a ranch property off Annapolis Road, we set a custom solar gate opener with a heavy-duty swing gate operator for a double gate across a long gravel drive, pairing it with a loop detector for exit and a keypad entry on the hinge post. Because PG County clay swells in winter, we over-dug the post footings and used high-strength concrete to keep the gate from heaving out of plumb in the first wet-freeze cycle.

Solar Gate Opener
For gates more than 150 feet from the house panel, solar is usually the right call in Lanham-Seabrook. Trenching conduit across that distance, through tree roots and down a gravel drive, often costs more than the opener plus the solar kit combined. But solar only works when it’s sized honestly. Tree cover matters. Panel tilt matters. Battery capacity matters. We size solar gate openers for the shortest daylight week in winter, not the best week in July, because a gate that won’t open after three cloudy days is worse than no gate at all.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Lanham-Seabrook
We install and service Viking, Ghost Controls, and DoorKing openers, along with LiftMaster, FAAC, BFT, Linear, and Mighty Mule. We keep common control boards, photo eyes, and battery kits in the truck so a service call to Lanham-Seabrook doesn’t turn into two visits. If you already have an opener on the gate and you’re replacing the gate itself, we’ll tell you honestly whether the opener is worth keeping. Half the time it is. The other half, running a new Viking or Ghost Controls unit costs less than nursing a 15-year-old motor through another winter.
Common Gate Installation Problems We See in Lanham-Seabrook Homes
- Heaving posts from Prince George’s County clay. The dominant failure mode around the 20706 zip. Posts set in a 36-inch concrete pad shift within two freeze-thaw cycles, the gate leaf tilts, and the latch stops lining up. We over-dig post holes and use high-strength concrete below frost depth on every new install.
- Undersized operators on wide double gates. A two-car driveway with a 16-foot double gate generates real wind load. A residential opener rated for a 10-foot gate burns out fast. We spec by actual gate weight and width, not by the cheapest motor on the shelf at the supply house.
- Solar openers with weak batteries. Long gravel driveways off Annapolis Road and back toward the old railroad bed mean gates that cycle maybe eight or ten times a day. A solar kit with one small battery goes dark after a cloudy week. We spec battery banks sized for consecutive low-sun days, not a summer afternoon.
- Latch misalignment from frame racking. Older ornamental iron gates from the 1950s and 1960s were built with thinner steel than anything made today, and 40 years of wet-freeze cycles in Lanham-Seabrook’s clay soil has worked them out of square. Sometimes the fix is welding a new hinge barrel to the post. Sometimes the frame itself needs to be jigged straight on site. We do both in the driveway.
Pricing for Gate Installation in Lanham-Seabrook, MD
Gate installation in the 20706 zip code runs roughly like this:
- Single pedestrian gate: $600 to $1,600 installed
- Single swing driveway gate with opener: $2,800 to $5,200
- Double driveway gate (Gate Installation) with matched operators: $4,500 to $8,500
- Sliding gate on track with operator: $3,800 to $7,500
- Solar opener add-on with batteries and panel: $900 to $2,200
Everything gets quoted before we start. You’ll know the number, you’ll agree to it in writing, and the number doesn’t change when the job is done. Every installation carries the 90-Day Done Right Promise. Closer post spacing, heavy operators, or trenching for mains power can shift the price, and we’ll walk you through why before you commit. No trip charge inside the county to come measure and write the estimate.
We Also Serve Cities Near Lanham-Seabrook
Beyond Lanham-Seabrook, we install gates in Goddard, New Carrollton, Seabrook, and Landover. If you’re just over the line in one of those communities and need a new driveway gate or a solar opener, call us. We cover the same 20706 and adjacent zip codes, and we schedule service calls just as fast in the surrounding neighborhoods as we do in Lanham-Seabrook itself.
Serving Lanham-Seabrook, MD - Our Local Coverage Area
We’re based in the Lanham-Seabrook 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 Lanham-Seabrook
Yes. Prince George’s County requires a building permit for any fence or gate structure exceeding 6 feet in height. That applies to the gate itself, the posts, and any attached fence panels. Many Lanham-Seabrook homeowners avoid the permit by designing gates that stay at or under 6 feet, which is often enough for a driveway gate with a low picket or ornamental top. If you do want the permit route, we’ll tell you what drawings the county wants and how long the review typically takes. Call (877) 610-2993 and we’ll walk you through it.
For driveways over 150 feet from the house panel, solar is usually cheaper and faster to install in Lanham-Seabrook. Trenching and conduit work across that distance can run thousands, while a properly sized solar opener costs under a thousand extra over a standard operator. The catch is sizing the battery bank for winter cloud cover and tree shade. We size solar panels for the north-facing lot lines and mature oak canopies common around Seabrook, not for an open field. If the panels won’t get enough winter sun, we’ll say so and discuss mains power instead.
For a double gate over 14 feet or a farm gate over 12 feet, you need an operator rated for commercial or heavy-duty residential use, not a standard single-leaf residential motor. Wind drag is the spec everyone forgets. A 16-foot double gate on an open Lanham-Seabrook lot near the old railroad corridor catches enough wind to stall a motor rated at half the gate’s actual load. We calculate by gate weight, width, and wind exposure, then size one class up where you’re near a rating line. Call (877) 610-2993 for measurements and an exact recommendation.
Below frost depth, which for Prince George’s County means roughly 30 to 36 inches, and in an over-dug hole with high-strength concrete. Standard 24-inch footings fail here because the clay expands and contracts with winter moisture, heaving the post upward and tilting the gate. We over-dig to at least 12 inches wider than the post diameter, set the post on a concrete pad at the base, and pour around it. On heavy double gates we go deeper and add steel cross-pins through the buried post section.
Yes. Most driveway gates we install in Lanham-Seabrook are between 5 and 6 feet tall, which keeps them under the Prince George’s County permit threshold. That covers the gate leaf, frame, and posts. You give up some privacy height compared to an 8-foot gate, but you skip the permit review and the associated delay. If you want taller, we’ll factor the permit into the schedule and the price so nothing surprises you at the end.
Get a Free Estimate for Gate Installation in Lanham-Seabrook
If you’re in Lanham-Seabrook and you need Gate Repair - Lanham-Seabrook that’s actually engineered for this soil, this climate, and the width of your driveway, call Hal at (877) 610-2993. He’ll answer the phone, set a time to come measure, and give you a written price before any work starts. The name is on the shop, and the shop is down the road. That’s the oldest accountability there is.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate, serving Lanham-Seabrook since 2001.





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