Fast, Reliable Gate Motor & Opener Across Cohasset
Gate motor and opener repair in Cohasset typically costs $280-$650 for most residential jobs, with new motor installations running $1,200-$2,800 depending on the gate weight, access conditions, and whether shallow granite ledge requires surface-mount anchoring instead of standard footings. We’re usually on-site in Cohasset within 90 minutes during business hours, and our live phone is answered 24 hours a day, 7 days a week at (833) 754-7503.
We’ve been working the South Shore since 1984, and Cohasset’s coastline presents a specific set of problems you won’t find in Hingham or North Scituate. The salt-laden air off Massachusetts Bay corrodes gate hardware at a rate that surprises homeowners who moved here from inland towns. Wrought-iron hinges seize. Opener limit switches fail from salt creep. Control boards short out. It’s not neglect; it’s chemistry. Our Gate Motor & Opener crew knows the difference between a motor that failed from normal wear and one that failed because the coastal environment accelerated corrosion by three or four years.
Cohasset’s housing stock tells the rest of the story. The Colonials, Victorians, and shingle-style estates along Jerusalem Road, Atlantic Avenue, and the harborfront were built between the 1880s and 1920s. Their gates are custom-fabricated ornamental iron or steel, hung on granite pillars, sized to openings that predate any modern catalog. You cannot swap in a standard operator and expect it to work. The motor must be matched to the gate’s actual weight and swing geometry, and the mounting solution must account for what’s under the ground. In Cohasset, that often means granite ledge within 12-18 inches of the surface. Standard concrete footings are not always possible. We probe for ledge before we quote, and we arrive equipped with surface-mount anchor plates and core-drilling capability when needed.
Why Ironworks Gate Co. Is Cohasset’s Preferred Gate Motor & Opener Company
We’ve built our reputation in towns like Cohasset by showing up prepared and finishing in one visit. Our technicians are background-checked, uniformed, and trained on nine automation brands: LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule. That breadth matters in Cohasset because no two historic estates have the same gate, and the right fix requires the right parts and the right expertise on the first trip.
Our 90-Day Done Right Promise, the Keystone Standard, applies to every job. Written. No paperwork to file. No argument. If something isn’t right, we come back and make it right. We’ve honored that promise for over 42 years, and we plan to be here for another forty.
When you call Cohasset, a live person answers. Not voicemail. Not a callback queue. A real person, 24 hours a day, 7 days a week. Most of our customers are between 55 and 75, they’ve owned their homes for twenty-plus years, and they remember the last contractor who didn’t return a call. We don’t put you through that.
Our standing offers apply here too: $50 off any repair over $250, a free second opinion on any written estimate, an $89 seasonal tune-up, and a permanent 5% senior and veteran discount.
Our Gate Motor & Opener Services in Cohasset
Motor Installation
New gate motor installation in Cohasset runs $1,200-$2,800 for residential swing and slide systems, with the upper end reflecting heavy custom iron gates, intercom integration, and ledge-mitigation anchoring. We size every operator to the gate’s actual weight and duty cycle, not to a guess. For the shingle-style estates along the harbor, that often means a commercial-grade operator on a residential gate, because the wind load and salt exposure demand it. We handle the full scope: electrical connection, conduit, safety loops, keypad or remote programming, and a walkthrough with the homeowner before we leave.

Motor Repair
Most motor repairs in Cohasset fall between $280 and $650. The most common call we get is a gate that stops mid-cycle or reverses unexpectedly. In coastal Cohasset, that’s usually corrosion inside the limit-switch housing, not a mechanical failure. Salt air wicks into the opener enclosure and degrades the contacts. We disassemble, clean or replace the switch assembly, seal the housing with marine-grade gaskets, and test the full cycle before we sign off. If the control board is shorted from moisture intrusion, we stock replacement boards for the nine brands we service and can often source specialty hardware for discontinued units.

Linear Motor Systems
Linear actuators are our recommended solution for many Cohasset properties with limited pillar space or gates that open inward toward landscaping. A Linear motor mounts compactly and delivers smooth, controlled swing operation without the footprint of a traditional arm operator. In Cohasset’s historic districts, where granite pillars may be too narrow for a standard swing-arm mount, a Linear system solves the geometry problem while handling the weight of custom iron. Typical Linear installation in Cohasset: $1,400-$2,400. We stock Linear parts locally for fast turnaround on repair calls.

Slide Motor Systems
Slide gates are less common in Cohasset’s estate neighborhoods than swing gates, but they appear on properties with steep driveways or limited swing radius. A slide motor must pull the gate’s full weight along a track, and that load increases dramatically if freeze-thaw has shifted the track out of alignment. We see this every spring in Cohasset: granite pillars heaved by frost, the gate now binding, the motor gears stripped from overwork. Our slide motor installs run $1,600-$2,800, including track inspection and realignment. For existing systems, we replace gears, chains, and sprockets, and we address the root cause so it doesn’t repeat.

Intercom Integration
Intercom integration connects your gate motor to voice and video communication at the house, with remote release capability. In Cohasset, this work carries a specific coastal risk: moisture wicks into underground conduit at the shoreline, shorting low-voltage wiring and disabling remote access. We use sealed conduit, marine-rated cable, and above-ground junction boxes where the grade allows. Intercom add-on to an existing motor system: $480-$920. New system with intercom: $1,800-$3,200 depending on video capability and distance from gate to house.

Battery Backup
Coastal power blips are routine in Cohasset during nor’easters. A battery backup keeps your gate operational when the grid drops. We install marine-grade battery backup systems rated for the salt air, with sealed enclosures and temperature-compensated charging. Typical battery backup installation: $340-$580 as an add-on; included in many new motor packages. The backup runs 15-25 full cycles on a charged battery, enough to get you in and out until power returns.

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 Cohasset
We carry certification and stock parts for nine gate-automation brands: LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule. For Cohasset customers, that means same-day repair on most systems without waiting for parts to ship. We maintain local inventory of Linear control boards, Viking gear assemblies, and Ghost Controls battery enclosures specifically because these are the brands we see most often on the South Shore’s custom iron gates. When a motor is discontinued or obsolete, we fabricate mounting adapters and source compatible replacements rather than telling you the whole gate needs rebuilding.
Common Gate Motor & Opener Problems We See in Cohasset Homes
- Corroded limit switches causing mid-cycle stops. Salt air penetrates the opener housing and degrades the electrical contacts that tell the motor when to stop opening or closing. The gate reverses, stops short, or behaves erratically. We see this most on units facing the harbor or within 200 yards of the shoreline.
- Freeze-thaw pillar shift burning out slide motors. Cohasset’s ground frost penetrates beneath granite post footings over winter. By March, the pillar has tilted half an inch, the gate binds in the track, and the slide motor strips its gears trying to overcome the load. We realign and reinforce the foundation, then replace the motor.
- Moisture intrusion in intercom conduit. Underground low-voltage wiring at waterfront properties shorts when water finds a path through conduit joints. The intercom goes dead, or the remote release fails. We pull new sealed cable and relocate junction points above grade where possible.
- Seized hinges and hardware accelerating motor failure. Corroded hinges on a 120-pound iron gate double the effective load on the operator. The motor works harder, overheats, and fails prematurely. We address the mechanical system, not just the motor, because replacing the motor without freeing the hinges wastes your money.
Pricing for Gate Motor & Opener in Cohasset, MA
| Service | Typical Range in Cohasset |
|---|---|
| Diagnostic & minor repair (limit switch, remote programming, safety sensor) | $180-$340 |
| Major motor repair (gear replacement, control board, arm rebuild) | $340-$650 |
| New motor installation, standard residential swing gate | $1,200-$1,800 |
| New motor installation, heavy custom iron / commercial-grade operator | $1,800-$2,800 |
| Linear motor system installation | $1,400-$2,400 |
| Slide motor system installation | $1,600-$2,800 |
| Intercom integration (add-on to existing motor) | $480-$920 |
| Battery backup installation | $340-$580 |
| Seasonal tune-up | $89 |
What moves a quote toward the higher end: heavy custom gates requiring commercial-grade operators, shallow ledge requiring surface-mount or core-drilled anchoring, intercom or video integration, long conduit runs from gate to house, and access conditions that require specialized equipment. We settle the full price before we turn a bolt. No surprises on the bill. Estimates are free. Call (833) 754-7503 to schedule.
We Also Serve Cities Near Cohasset
Our service area covers the full South Shore, including North Scituate, Scituate, Hingham, and Hull. Each town has its own conditions: Scituate’s harbor exposure, Hingham’s hillside estates, Hull’s narrow peninsula with its own salt-air severity. We adjust our approach to the location, not force a one-size-fits-all solution. If you’re on the border between towns, call us and we’ll confirm coverage.
Serving Cohasset, MA - Our Local Coverage Area
We’re based in the Cohasset 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 Motor & Opener in Cohasset
Salt-laden air from Massachusetts Bay corrodes electrical contacts, motor housings, and hardware at roughly twice the rate of towns just five miles inland. The prevailing southeast wind carries moisture and salt directly onto properties along Jerusalem Road and the eastern shore. We address this with sealed enclosures, marine-grade gaskets, stainless mounting hardware, and more frequent inspection intervals than we’d recommend for a property in, say, Hingham’s inland neighborhoods. Call (833) 754-7503 for a corrosion assessment - estimates are free.
Sometimes, but often the answer is no. A catalog residential operator is rated for gates up to a specific weight and wind load. Cohasset’s custom iron gates, especially those with scrollwork and solid infill panels, frequently exceed those ratings. We measure the gate’s actual weight, calculate wind load for the coastal exposure, and specify a commercial-grade operator when needed. LiftMaster makes units that fit; we just don’t assume the box-store model is the right one. Call for a load assessment.
A marine-grade sealed battery with temperature-compensated charging, housed in a corrosion-resistant enclosure rated for salt-air exposure. Standard automotive-style batteries vent acid and corrode terminals within two seasons on the Cohasset shore. We install units with absorbed glass mat (AGM) construction and sealed cases, sized to deliver 15-25 cycles on a full charge. Battery backup installation runs $340-$580. Ask about inclusion in a new motor package for reduced cost.
It depends on the slope direction and the gate’s swing path. If the gate opens inward and the driveway slopes down toward the house, a swing gate may drag or not open fully; a slide gate or a linear actuator with adjustable geometry may be the better solution. If the slope runs across the opening, a slide gate on a level track often works where a swing gate would bind. We survey the grade, measure the swing arc, and recommend the configuration that operates cleanly in all weather. Site assessment is free.
Shallow ledge prevents standard burial of conduit for low-voltage intercom cable, so we use surface-mounted conduit on the gate pillar, armored cable in visible runs, or wireless intercom systems with hardwired power where line-of-sight permits. The motor and intercom share a mounting location on the granite pillar, minimizing cable run distance. We seal all penetrations against moisture and use junction boxes rated for coastal exposure. Intercom integration with ledge mitigation: $580-$1,100 depending on cable length and video capability. Call for a site-specific quote.
Written by Victor Salinas, Owner at Ironworks Gate Co., serving Cohasset and the South Shore since 1984.