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 Parts & Welding Across Chinatown
Gate parts and welding in Chinatown means working where the old iron meets the salt fog. Most of the gates we repair here sit on post-1906 masonry storefronts along Grant Avenue, Waverly Place, and the narrow alleys off Stockton Street, where a seized roller or a sagging hinge post can shut down a business by 10 a.m. We carry replacement rollers, hinge barrels, rack segments, and latch hardware sized for the older non-standard mounts this neighborhood throws at us, and we weld on site so the gate never leaves your doorway. If your gate is dragging, rust-jacked, or half-open right now, call (877) 610-2993 and a real person picks up.
Why Gatewood Fence & Gate Is Chinatown’s Preferred Gate Parts & Welding Company
Hal Gatewood started this shop in 2001, and his name is still on the door and every invoice. That matters in Chinatown more than most places, because half the gates here were hung before Hal was born. When we pull a hinge pin on a 1920s wrought-iron storefront gate, we are not guessing at the mounting; we have seen the same softened brick pockets and hand-forged brackets on dozens of buildings between Broadway and California Street. Our customers here tend to check references, and they should. We are state-licensed, insured and bonded, and our license number is published. We have a 90-Day Done Right Promise in writing on every job, not tucked into fine print. If it is not right, one call brings Hal back.
Calls are answered by a live person 24/7. Not a voicemail. Not a call center three states away. You will talk to someone who knows what a slide gate roller looks like. For Chinatown, we stage parts and tools to work on foot because we know a full service truck cannot park on Waverly Place or Ross Alley. We bring hand carts, plywood cushions, and backup planers. The person who shows up is background-checked and uniformed, and Hal reviews every Chinatown job himself. That is the whole point of owner-operated.
Our Gate Parts & Welding Services in Chinatown
Hinge Replacement
Most Chinatown gate hinges fail at the embedment, not at the pin. The brick around the strap hinge softens, the jamb cracks, and the leaf starts dragging across the uphill sidewalk. We cut the old hinge free, rebuild the pocket with epoxy-set anchors, and weld a new strap or barrel hinge to the existing gate frame. Your original ironwork stays. The opening works again. On older gates, we match hinge offset and swing so the gate still clears the storefront glass.

Post Replacement
On Chinatown’s post-1906 masonry storefronts, many gate hinge posts are set into unreinforced brick with bedding mortar that has softened from decades of salt fog. That means post replacement often means rebuilding the embedment pocket and epoxying new anchors rather than just swapping the post. We have replaced posts on Grant Avenue where the old one crumbled like chalk when we pulled it. The key is not to disturb the surrounding brick any more than necessary, because that wall is carrying a lot of history and probably the second floor as well.

Rail Repair
Slide gates in Chinatown ride on rail that collects fog droplets, street grit, and the occasional tea spill from a passing cart. Rust jacking lifts the rail off its mounts, the gate binds, and someone forces it with a pry bar. We cut out the corroded section, weld in matched rail, and re-shim the run so the gate moves with two fingers. On some older gates the rail was never quite straight to begin with; we square it as part of the repair instead of just reinforcing the mistake.

Custom Welding
This is where we earn our keep. A stock part does not exist for a 1907 building with hand-formed scrollwork and a gate opening that is 3/16 inch out of square. We fabricate what the gate needs: welded patch plates, custom hinge posts, crash pins, latch keepers, and rack segments cut to match the existing tooth pitch on a Viking or BFT operator. Welding happens on site, in your doorway, so the store stays open and the gate never leaves the building. Hal has been doing this since 2001; his crew welds MIG and stick, both of which have their place on old wrought iron that was never machine-perfect.

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 Chinatown
We are certified on FAAC, BFT, Linear, and Viking operators, and we keep common parts for those brands staged for Chinatown calls: rack and pinion sections, roller assemblies, limit switches, photo eyes, and keypad wiring harnesses. That is why a slide gate on Stockton Street with a seized FAAC roller can get fixed the same morning instead of waiting a week for a part from back east. We stock local, we work local, and we do not swap out a good Viking motor because a BFT part was easier to find. We fix what is there. If a replacement is truly cheaper than a repair, we will say so and give you a written split between the two options.
Common Gate Parts & Welding Problems We See in Chinatown Homes
- Rust-jacked slide gate rollers - salt-laden fog condenses on the steel track and roller bearings seize, leaving the gate half-open across a narrow storefront window. We replace the roller assembly and treat the track to slow the next seizure.
- Loose hinge posts in aged brick - the gate weight slowly pulls original posts out of softened mortar, and the gate sags into the uphill sidewalk and scrapes concrete. We rebuild the embedment with epoxy anchors and re-hang the gate level.
- Safety photo eyes tripping constantly - pedestrian traffic and delivery carts on Grant Avenue and the alleyways break the beam repeatedly, so the gate reverses and never closes fully. We re-aim the eyes, add short-range shielding where code allows, and verify closure force is within UL 325 limits. We never bypass a safety device. That would be both illegal and reckless.
- Worn rack segments on old rolling gates - the pinion teeth chew through the original rack, the gate jumps, and the operator strains. We weld in a matched rack segment and reset the motor torque so the gate does not eat the new rack within a year.
Pricing for Gate Parts & Welding in Chinatown, CA
Here is what Chinatown gate work actually costs, from real jobs we have done in this neighborhood. A single hinge replacement on a storefront gate runs $180 to $320, including cutting out the old hinge and welding in a new one. Post replacement with masonry rebuild starts around $450 and can reach $900 if we are re-anchoring into badly softened brick. Rail repair on a slide gate runs $250 to $600 depending on how much track needs cutting out. Custom welding work is $95 per hour plus material, and most small fabrication jobs land between $150 and $400. Gate roller replacement is typically $120 to $260 per gate, including track cleaning. No trip charge inside the county, $40 off any repair over $200, and a permanent 10% discount for seniors and veterans. We quote the price before any work starts, and the invoice matches the quote. Call (877) 610-2993 and Hal will give you a straight number on the phone.
We Also Serve Cities Near Chinatown
Our Gate Parts & Welding crew covers Chinatown and the surrounding neighborhoods regularly. If you are in the Mission District, San Francisco, Noe Valley, or Visitacion Valley, we can usually schedule you within the same week, often sooner. Same crew, same 90-Day Done Right Promise, same live person on the phone. The address is not a secret, and neither is the license number. Hal will look you in the eye before he touches your gate.
Serving Chinatown, CA - Our Local Coverage Area
We’re based in the Chinatown 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 Parts & Welding in Chinatown
Because Chinatown sits in a low-lying pocket that funnels San Francisco’s marine fog and salt-laden air directly through Grant Avenue and the surrounding alleyways. That salt fog condenses on your gate track and rollers every single night, accelerating oxidation far faster than at your friend’s house in the Sunset, which gets the same fog but less of the alley channeling. The fix is a better-sealed roller bearing and a track treatment we apply after replacement. Call (877) 610-2993 and we will tell you which rollers your gate takes and what they cost.
Yes, in almost every case. The key is cutting the embedment loose by hand first, not prying against the brick face. We then drill, epoxy-set new anchors, and re-hang the gate on a new post before the surrounding mortar is disturbed any more than necessary. We have done this on occupied storefronts along Grant Avenue without so much as a cracked brick. You get a written quote before anyone lifts a tool.
No. That specific behavior - scraping only when the fog rolls in - usually means the wood or iron frame is swelling slightly with moisture, and the hinge post has settled a quarter inch in softened mortar. We re-hang the gate level with new hinges or a rebuilt post pocket, and the scrape disappears. In 10 years this job is a repair four times out of five, not a replacement. Call us and Hal will give you a free second opinion on any written estimate you have from anyone else.
Yes. On Waverly Place and the other pedestrian alleys, the photo eye beam gets broken constantly by foot traffic and hand carts, so the gate reverses before it ever closes. The fix is to re-position the eyes above the main traffic level, add a short-range shield, and verify the operator’s force settings so the gate still meets UL 325 safety standards. We will never bypass or jumper a safety device. That is not a repair; it is a liability you carry forever. A proper fix here typically runs $200 to $400, and we will price it before starting.
About half the time it is neither. On Chinatown gates, the first thing we check is the wiring run between the keypad and the operator, because salt fog and moisture get into the conduit and corrode the low-voltage connections. If the keypad is genuinely dead, it is usually a failed relay or a worn membrane, both replaceable. We test the keypad, the cable, and the operator before recommending any work, so you are not paying for a new keypad when the old one just needed a splice. Call (877) 610-2993 and we will walk you through a quick test over the phone, free.
Contact Gatewood Fence & Gate for Gate Parts & Welding in Chinatown
If your gate is half-open on Grant Avenue, scraping on Stockton Street, or refusing to latch behind a Waverly Place storefront, do not wait until someone walks through the gap. Call (877) 610-2993 now. Hal answers, or his crew does, and you will get a real price for the work before any tools come out. The name is on the shop, and the shop is down the road - that is the oldest accountability there is.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate, serving San Francisco’s Chinatown with gate repair and welding since 2001.





Before
After
Before
After
Before
After