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 Des Moines
Gate installation in Des Moines means planning for two things most King County properties never deal with: salt-laden marine air off Puget Sound and steep hillside lots that shift every wet winter. A typical driveway gate installation in Des Moines runs $2,800-$6,500 for a single swing gate with a powder-coated aluminum frame, and $4,200-$9,800 for a sliding gate on grade-compensated track. Call (940) 412-7340 for a written quote before any work starts.
We know the bluff blocks off Marine View Drive, the marina-facing slopes, and the mid-century ranch lots cut into hillsides above the Sound. Salt air corrodes standard galvanized hardware here in two to three years. Clay-heavy soil heaves post footings out of square. The right installation spec in Des Moines is not the same as the right spec in Burien or Kent, and we build every gate to that reality.
Key Takeaways
- Des Moines gate installation typically runs $2,800-$9,800 depending on gate type, with electric operators adding $1,400-$3,200.
- Marine-grade stainless steel fasteners and powder-coated aluminum frames are the practical minimum on bluff and waterfront blocks.
- Every job carries the written Kingswell Guarantee: 365 days, stamped on the invoice, with a free return visit if the repair fails.
- We service LiftMaster, FAAC, BFT, Linear, and Viking operators, among others.
Why Portcullis Gate Repair Is Des Moines’s Preferred Gate Installation Company
We’ve been operating as a Kingswell company since 2008, and the Des Moines work we do has a specific character to it. It’s the salt-air rust on a hinge off Marine View Drive. It’s the frost-heaved post footing on a hillside lot above Saltwater State Park. It’s the operator control board corroded enough to kill the keypad on a waterfront-facing property. The Kingswell Way has five plain-English commitments we follow on every job here: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails.
Every Portcullis location is independently owned and operated, but held to the identical Kingswell Guarantee. That is not a franchise promise. It is a written one. Dean Prescott leads our service, and the technicians who arrive at your Des Moines property are background-checked, uniformed, and trained on nine major gate-operator brands including LiftMaster, FAAC, BFT, Linear, and Viking. When a Des Moines homeowner calls us about a gate that will not close because salt air seized the hinge pins, the person on the other end of the line knows what that means for the repair. Calls are answered by a live person 24 hours a day, 7 days a week.
Gate Installation Services in Des Moines
Gate Installation Services in Des Moines start with an honest look at your lot. A gate set across a hillside grade behaves differently than one set on a flat Seattle lot, and the marine air along the western slopes off Gate Installation corridors like Marine View Drive changes which materials make sense. A typical single swing gate installation in Des Moines runs $2,800-$6,500, and that includes the frame, hinges, latch, and the labor to set posts in concrete and square the gate. Sliding gates, which make sense on lots where a swinging leaf would hit a slope, run $4,200-$9,800.
Every Des Moines installation includes a written price before a single bolt is turned, and a written guarantee stamped on the invoice. No after-the-fact surprises.
Driveway and Security Gates
Driveway gates on Des Moines hillsides need post footings set below the frost line and, on waterfront-facing blocks, every fastener should be marine-grade stainless steel. We install swing gates, double gates, and security gates with frames that will not rack out of square after the first wet winter. A security gate with an electric operator typically runs $6,500-$12,000 in Des Moines, including entrapment protection.
Security gates here often mean protecting a property with a view of the Sound but a street that sees regular foot traffic near the marina. We build for both: a gate that closes cleanly every time and hardware that does not corrode into a maintenance problem.

Pedestrian and Sliding Gates
Pedestrian gates on the side yards of mid-century Des Moines ranchers are often decades old, with rotted wood posts and pitted wrought iron. A new powder-coated aluminum pedestrian gate runs $1,200-$2,800 in Des Moines, installed with stainless hardware that actually lasts this close to the water.
Sliding gates work well on sloped lots where a swing gate would bind against the grade. The track, rollers, and operator all need to be specified for wet clay soil that moves. We build slide gates with grade compensation so the gate keeps sliding square after the ground shifts.

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.
Electric Gate Installation in Des Moines
Electric Gate Installation in Des Moines means pairing an operator with a gate that must survive salt air, rain, and hillside movement. A standard swing or slide gate operator installation runs $1,400-$3,200 including the operator, safety photocells, and wiring to the control box. This is on top of the gate itself. The control board and keypad need to be mounted where salt spray does not eat them within three years, which is a real concern on bluff properties off Marine View Drive.
We install operators from brands we service regularly in Des Moines: LiftMaster, FAAC, BFT, Linear, and Viking. The tech who arrives knows your specific system already, which means less time diagnosing and more time fixing.
Operators and Entrapment Protection
Every electric gate we install in Des Moines includes UL 325-compliant entrapment protection: safety photocells, edge sensors where needed, and proper force settings. Washington state follows federal entrapment standards, and a gate that can crush a person or a car is not a gate we will leave behind. On hillside lots, entrapment protection matters even more because a swinging leaf gains momentum on a downslope.
Keypads, Intercoms, and Access Control
We wire keypads and intercoms into new gate installations, and we mount them in enclosures rated for marine exposure. A keypad that fails after one wet winter because salt air got into the board is a common Des Moines problem we design around. If you need access control for a property near the marina, we will spec the enclosure and the hardware for salt exposure first, not as an afterthought.
Trusted Brands We Service in Des Moines
When you install a gate in Des Moines, the operator brand matters less than the installation details that keep it running. We service and install LiftMaster, FAAC, BFT, Linear, and Viking operators, among others. We stock common parts for these brands in our local inventory, which means a failed FAAC control board on a Marine View Drive property does not sit waiting on a parts shipment for a week. The technician arrives knowing the specific operator on your property, because we trained on it already. That training and local parts stock is what lets us give you a real arrival window and a written price before the work starts.
Common Gate Installation Problems We See in Des Moines Homes
- Salt-air hinge failure on bluff properties. Galvanized hinges and latches off Marine View Drive pit and seize within two to three years. Stainless steel fasteners and powder-coated aluminum frames are the practical minimum for a lasting install here.
- Rotted wood hinge posts on mid-century homes. The 1950s-1970s ranch and split-level lots descending toward the Sound often have original wood posts rotted at the base from decades of marine moisture and rain. A new steel post set in concrete on the slope is the fix.
- Frost-heaved post footings on hillside clay. Des Moines gets 38-40 inches of annual rainfall, and the clay-heavy hillside soil saturates and shifts every winter. Gates rack out of square until latches and auto-closers stop closing cleanly.
- Corroded operator boards at the control box. Waterfront-facing blocks see salt spray reach the control box itself, killing keypads and safety photocells well before their inland service life. Marine-rated enclosures and careful mounting location solve this.
Pricing for Gate Installation in Des Moines, WA
Here are the real ranges we quote in Des Moines. A single swing gate: $2,800-$6,500. Sliding gate: $4,200-$9,800. Pedestrian gate: $1,200-$2,800. Electric operator installation: $1,400-$3,200. Security gate with operator and entrapment protection: $6,500-$12,000. The exact price depends on the gate type, the slope of the lot, and the hardware specification, but the price is always written down and agreed before any work starts. The quote you sign is the price you pay. Call (940) 412-7340 for a free estimate. We will not give you a number that doubles at the door.
We Also Serve Cities Near Des Moines
While this page focuses on Des Moines, our crews serve nearby cities as well. Homeowners in Seattle, Spokane, Tacoma, and Vancouver call us for gate installation under the same Kingswell Guarantee: written price, real arrival window, clean job site, and a written guarantee on the work. The salt-air spec matters most on the Sound, but the guarantee travels wherever we go.
Serving Des Moines, WA - Our Local Coverage Area
We’re based in the Des Moines 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 About Gate Installation in Des Moines
On bluff properties and waterfront-facing blocks near the Des Moines Marina, standard galvanized hinges, latches, and brackets typically pit and seize within two to three years. That is the failure window we see repeatedly off Marine View Drive. The fix is marine-grade stainless steel fasteners and powder-coated aluminum or stainless frames, which is the specification we build to on this side of Des Moines. Call (940) 412-7340 and we will tell you honestly what your existing hardware has left in it.
If the gate leaf itself is pitted from salt air, a new powder-coated aluminum gate usually costs less over five years than repeatedly repainting and rebuilding old wrought iron. If the frame is square but the hinges have seized or the post footing has heaved, new stainless hinges and a reset post footing may be enough. We replaced a rotted 1960s wood hinge post and a rusted-out swing gate on a hillside lot off Marine View Drive where salt air had pitted the old wrought iron so badly repainting was not worth doing. We set a new post footing in concrete on the slope, squared the frame, and hung a powder-coated aluminum swing gate with marine-grade stainless fasteners and a LiftMaster operator. The galvanized brackets we pulled off had failed in under three years. Call (940) 412-7340 for an honest assessment of which path makes sense for your gate.
Yes. Every electric gate installed in Des Moines must meet UL 325 entrapment protection standards, which means safety photocells, edge sensors where required, and proper force settings. On sloped hillside lots, this is even more important because a swinging leaf gains momentum moving downslope. We install and test entrapment protection on every electric gate, and we will not leave a gate behind that would not stop for a child or a car. Call (940) 412-7340 to have your operator checked.
A swing gate pivots on hinges and needs enough flat ground to open across. A slide gate travels on a track and works on sloped lots where a swinging leaf would bind against the grade or hit the hillside. On many Des Moines lots cut into slopes above the Sound, a slide gate is the better fit. Slide gates run $4,200-$9,800 in Des Moines, including track, rollers, and grade compensation for wet clay soil that moves. Call (940) 412-7340 and we will look at your lot and tell you which type actually fits.
We install and service LiftMaster, FAAC, BFT, Linear, and Viking operators, among others. Those five brands are common on Des Moines properties, and our technicians train on them so the person who arrives already knows your system. If you have a different brand, call (940) 412-7340 and we will tell you if it is one we stock parts for. The written price and the Kingswell Guarantee apply regardless of brand.
Written by Dean Prescott, Owner at Portcullis Gate Repair, serving Des Moines since 2008.





Before
After
Before
After
Before
After