Non-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Fast, Reliable Door Lock Repair Across Kentfield
If your deadbolt is sticking or your key snapped off in the cylinder, door lock repair in Kentfield typically runs $85 – $185 for a standard service call plus labor and parts. Most repairs are completed same day, often within 60 – 90 minutes of arrival. We answer the phone live 24/7 and give you a written price before anyone is dispatched, so there’s no surprise on the invoice. Call (409) 405-4485 for a free estimate.
Kentfield’s homes present a specific set of lock problems. Many were built decades ago along hilly terrain, and the combination of seasonal moisture, settling door frames, and years of daily use means the lock body, strike plate, and latch almost never fail together. Usually it’s one component that’s slightly out of alignment, and the rest of the door gets blamed for it. We start there because that’s what Kentfield actually requires.
We also know that dispatch time matters here. The winding roads off Sir Francis Drake Boulevard and College Avenue take a few extra minutes to navigate, and many driveways are steep or have limited turnaround space. We confirm access and parking specifics with you before we promise an arrival window, and your live trackable arrival time updates as the technician gets closer.
Our crews serve Kentfield directly, coordinated from our San Francisco Bay Area office. Every technician is uniformed, background-checked, and shows up with the price already in writing.
Why Preston Locksmith & Security Is Kentfield’s Preferred Door Lock Repair Company
Kentfield homeowners keep telling us the same thing: they don’t want a four-hour window and they don’t want to discover a new price after the lock is already off the door. That’s the problem we’re built to solve. Every repair starts with a written price, confirmed on the phone before dispatch, and that price is the one on the invoice. No call-out surcharge added on arrival, no “well, this is more complicated than we thought” adjustment.
We have a strong local reputation in the communities around Mount Tamalpais and the Ross Valley. Homeowners in Kentfield, Larkspur, and San Anselmo consistently mention how useful it is to see a photo of their technician and their name before they arrive. You know who’s coming, what they look like, and when they’ll knock. That matters when you’re letting someone into your home to work on your entryway security.
We also back every repair with the 365-Day Done Right Promise. If the repair doesn’t hold, we come back at no charge. That guarantee is stamped on every written invoice, not buried in fine print. We can make that promise because we train our team to diagnose the root cause and fix it properly the first time, not just patch the symptom long enough to leave the driveway.
And yes, we answer the phone. A live person, 24/7. No voicemail tree. Kevin Yoon, who leads our team, set that standard when we launched in 2008, and it’s still the rule.
Broken Key Extractor in Kentfield
A broken key extractor is the tool and technique we use when a key snaps off inside a lock cylinder in Kentfield, leaving the rest of the key stuck and the door unusable. The job involves removing the broken piece without damaging the cylinder, then evaluating whether the lock itself is still safe and functional. Most broken-key extractions in Kentfield run $75 – $140, depending on how deep the break is and whether the lock needs disassembly afterward.
We see this most often on front doors around the Del Mesa and Kent Woodlands neighborhoods, where weathered brass keys and keys that have been ground down over years are more common than people expect. Cold mornings don’t help either. Metal contracts, and a key that’s already fatigued has a way of snapping just when the kids are late for school or the dog wants out.
Non-Destructive Removal
Our first move is always to extract the broken piece without drilling. We use spiral hook extractors and key jigglers that catch the broken bit and slide it out along the same path it went in. This works in most cases. If the key has broken deep past the keyway and extraction tools can’t safely grab it, we may remove the cylinder from the door and extract it on the bench. Either way, we explain the approach and the cost before touching the lock.
After Extraction
Once the key is out, the question is whether the lock itself is still worth keeping. We inspect the pins, springs, and cylinder to make sure nothing was damaged by the break or by daily wear that came before it. We can rekey on the spot if you’re worried about key control, and we always price any follow-up work in writing before performing it.
Sliding Door Lock Repair in Kentfield
Sliding door lock repair in Kentfield covers the latch, handle, keyed cylinder, and track hardware on patio and deck sliders. This type of repair typically costs $95 – $165 on-site, with written pricing confirmed before the technician’s first turn of a screwdriver. Sliding doors fail differently than hinged doors, and Kentfield’s mix of older ranch homes and newer hillside construction means we see both vintage aluminum sliders and modern multi-point lock systems.
Del Mesa and the streets off Laurel Avenue and Ashford Avenue have a lot of sliders leading to decks and garden patios. The locks on these doors collect grime and road dust more than front door locks because they sit at the back of the house, often near landscaping or uncovered outdoor areas. We routinely clear packed debris from the track, realign the hook latch, and adjust the strike so the door actually locks instead of just looking latched.
Latch and Track Alignment
A jammed sliding door lock is usually not a broken lock at all. It’s a door that has settled or a track that’s been knocked out of alignment, forcing the latch to drag against the strike plate just enough to make the key feel stuck. We adjust the rollers, level the door within its frame, and align the strike. That restores smooth operation without replacing hardware that doesn’t need replacing.
Lock Cylinder Replacement
When the keyed cylinder itself is worn to the point where the key turns but nothing happens, or the key won’t go in at all, a cylinder replacement is the right fix. We carry Schlage and Kwikset cylinders on the truck, including keyed-alike options so your sliding door can work on the same key as your front door. We’ll walk you through the cost of the cylinder and labor before we install it.
Trusted Brands We Service in Kentfield
We work on the hardware Kentfield homes actually have, which means plenty of Schlage and Kwikset on front doors and garage service doors, Medeco and Yale on the higher-security panels and some of the older estate properties, and a long list of Baldwin handlesets and mortise locks on homes built with custom millwork. Our trucks carry replacement springs, tailpieces, cylinders, and strike plates for these brands specifically because ordering parts and waiting a week simply doesn’t work when a door won’t lock at night. If you have an unusual Euro-profile cylinder or a discontinued mortise lock body, we typically source it the same day and schedule the repair as soon as the part lands.
Common Door Lock Repair Problems We See in Kentfield Homes
- Settled door frames on hillside lots. Kentfield’s sloped streets and older ranch homes put extra stress on door framing. The frame shifts over time, the latch no longer lines up with the strike plate, and the deadbolt feels like it takes a shoulder to throw. We realign the strike and, if needed, shim the hinge side to bring the door back to true. In many cases the lock itself is perfectly fine.
- Seasonal moisture swelling around wood doors. The fog that rolls through the Ross Valley and the wet winters here make wooden doors swell and contract. Paint rubs, the latch drags, and keys start sticking. We address the lock and the immediate fit, but we’ll also tell you honestly if the door slab itself needs a trim. A repaired lock on a swollen door just fails again in a few months.
- Worn cylinders on frequently used exterior doors. The front door on a Kentfield home gets dozens of cycles a day. Pins wear, keys get loose in the cylinder, and one day the key spins or won’t fully insert. A cylinder replacement or rekey is straightforward and we can match the new key to your existing house key.
- Track and latch issues on patio sliders. Sliding doors near gardens and uncovered decks collect dirt, tree debris, and moisture. The hook latch sticks or the lock only catches halfway. We clean the track, correct the roller height, and restore the lock to a firm, positive engagement.
Pricing for Door Lock Repair in Kentfield, CA
Simple door lock repairs in Kentfield, such as realigning a strike plate or replacing a tailpiece, typically run $85 – $155 including the service call. Reworking a sticking deadbolt with cylinder lubrication and minor adjustments lands around $95 – $145. Broken key extraction is usually $75 – $140. Sliding door lock repair, which involves track alignment, latch adjustment, or cylinder work, runs $95 – $165. If a full cylinder or handleset replacement is required, we quote the hardware cost and labor in writing on the phone before dispatch, so you know the total before we arrive.
What affects the cost is genuine complexity, not negotiation. A lock on a custom mortise door takes more time than a standard bored hole. A sliding door with a bent track takes longer than one with dirty rollers. We price the job accurately up front and stick to that number.
You always get a free, no-pressure estimate by phone. Call (409) 405-4485 and we’ll give you a written quote before you commit to anything.
We Also Serve Cities Near Kentfield
Our Door Lock Repair team covers more of Marin County than just Kentfield. We serve homeowners in Larkspur, San Anselmo, San Rafael, and Corte Madera with the same written pricing, live tracking, and background-checked techs. If you’re a few minutes up the road, you still get the full Relay Visibility Guarantee. Check our Kentfield page for specifics on our local coverage and response windows.
Serving Kentfield, CA - Our Local Coverage Area
We’re based in the Kentfield 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 Door Lock Repair in Kentfield
You’ll see your technician’s name, photo, and live arrival time before they arrive, and they will be in a Preston Locksmith & Security uniform with a marked vehicle. The written quote you received on the phone will match the job and the invoice. Call (409) 405-4485 for any job in Kentfield and we’ll send you the details the moment the technician is dispatched.
Yes, in most cases. We use non-destructive extraction tools to remove the broken key and then evaluate the cylinder for damage. If the lock is salvageable, we’ll tell you. If it isn’t, we’ll quote a fair replacement price in writing before doing any work. We work on Schlage hardware daily in Kentfield homes.
Yes, nearly all sliding door lock repairs are completed on-site in one visit, usually within an hour. We bring common sliding door hardware parts on the truck, including Schlage and Kwikset cylinders and latch sets. Call (409) 405-4485 and we’ll arrive with a plan and a written price before we touch the door.
We service Schlage, Kwikset, Medeco, Yale, Baldwin, Mul-T-Lock, Sargent, and Abloy hardware, from basic residential deadbolts to high-security commercial cylinders. Our truck stock includes the most common replacement parts for these brands, so we rarely need to order and reschedule. Just tell us what’s on your door and we’ll confirm coverage.
Most door lock repairs take 30 to 60 minutes once the technician arrives. Broken key extraction can take as little as 10 minutes, while a sliding door lock repair with track alignment may run closer to an hour. We’ll give you a realistic time estimate when we give you the written price over the phone.
Written by Kevin Yoon, Owner at Preston Locksmith & Security.