The figures on this page describe the Danville market: what these jobs run around the San Ramon Valley, what the Town's adopted fee schedule collects when a permit applies, and which conditions on a Contra Costa hillside lot move a job up its range.
Call (925) 230-5528Upfront pricing · No obligation · Local Contra Costa County technician
Six boxes, about thirty seconds. You pick when to be called back, and that is when the phone rings.
Or call (925) 230-5528The Town's floor for a permit, applied per inspection where no other fee is listed, and also the minimum for a reinspection. Building permit fees themselves start at $25.08 for the first $500 of valuation.
Charged on top of the building permit when a circuit is added or altered. Structural and architectural plan review, where drawings are reviewed, runs 65 percent of the building fee.
The bond amount every licensed California contractor has carried since January 1, 2023, along with a $25,000 bond of qualifying individual where that applies. Compliance overhead is priced into every market in the state.
Every range below is what companies working in Danville publish for that job, gathered from the numbered price pages under the table. It spans what several of them show, so the figures move with the specifics of the property and with who does the work. Nothing here is a quote, and no business has set a price on this page. A real number comes from whoever looks at the job.
| The job | Range seen | Billed as | What moves it |
|---|---|---|---|
| Annual tune-up and safety inspection on one door | $45–$100123 | per visit | Covers lubrication, balance, hardware tightening and a reverse test. |
| Torsion springs replaced as a pair on a two-car door | $250–$49924 | flat | Short headroom and a shaft crowded against framing add time. |
| Lift cables replaced and drums reset | $89–$350456 | flat | Uneven drum wear widens the scope beyond the snapped cable. |
| Door reset on track after coming off one side | $100–$599456 | flat | A clean reset is low; a kinked track and torn stile reach high. |
| Opener replaced and installed, existing door reused | $300–$1,500234 | per unit | Battery backup is required statewide, and wall-mount units cost more. |
| Insulated sectional door and hardware replaced | $1,200–$4,20024 | per unit | Steel-backed insulation, flush panel designs and two-car openings set the range. |
Prices each of these companies publishes on its own site, read on the date shown in each listing. A published price can change without notice, so treat a number here as what was posted rather than what you will be told today.
Two published numbers frame everything else. The Town of Danville Master Fee Schedule for 2026/27 sets a minimum building permit and inspection fee of $122 for any permit, and prices an electrical sub-permit at 20 percent of the building permit fee. Inspections for which no fee is specifically indicated, and reinspections, each carry that same $122 minimum. Building permit fees themselves are computed from valuation, starting at $25.08 for the first $500 of work and climbing on a per-thousand basis from there, with structural and architectural plan review at 65 percent of the building fee where review is required.
Alongside the Town's fees sits a statewide cost of doing this work legally. A California contractor license bond has been $25,000 since January 1, 2023, per the Contractors State License Board, and the bond of qualifying individual and disciplinary bond moved to the same figure. Bonding, workers' compensation coverage and a classification that actually covers door and opener work are overhead that a legitimate operator carries every day of the year.
Roughly half of Danville sits on hillsides, including the Las Trampas Ridge area and the slopes flanking Sycamore Valley, and hillside lots produce hillside garages. Several conditions add real time to identical parts. Tuck-under garages with short headroom. Driveways that pitch down to the door. Split-level framing with no straight run for a torsion shaft. Openings cut into a slope so one jamb sits against retained earth. A double-door spring change on a flat pad in Greenbrook and the same change on a tuck-under garage with a low-clearance track kit are not the same afternoon.
Fire hardening is the second variable, and it is specific to this valley. The Town identifies its open-space edges, grassland and oak woodland among them, as Very High Fire Hazard Severity Zone areas, and CAL FIRE points to gaps around garage doors and missing gasketing as a route for ember intrusion. A door being reset or replaced on a lot near that edge is worth doing with a bottom seal that actually contacts the slab across its full width, side and top weatherstripping without daylight, and a solid connection where the track meets the jamb. That work is inexpensive when a door is already apart and awkward to retrofit later, so it belongs in the scope from the start.
Third, appearance can become a review item. Danville's Design Review Board evaluates site design and architecture against Town standards, and its submittal requirements call for exterior doors, materials and colors to be identified on plans. Replacing hardware behind a door raises no such question. Choosing a new street-facing door in a subdivision with an architectural standard can, and finding that out after ordering a custom panel is an expensive sequence.
Spring work should be specified, not described. Wire size, inside diameter, overall length, wind direction, and the drum series the door is set up for. A technician who has weighed or calculated the door can produce those numbers; one who has not will talk about heavy doors instead. Cables should be listed by diameter and length, rollers by stem length and bearing type, and hinges counted by position.
Labor should appear separately from parts, with the trip or diagnostic charge broken out and a clear statement of whether it applies against the repair. On a replacement, expect the manufacturer and model, steel gauge, insulation value, whether the existing opener and rail are reused, track configuration for the available headroom, new weatherseal, and removal of the old door. If a permit applies because framing or a circuit is involved, the fee and the inspection should be listed rather than folded silently into a lump sum.
The expensive mistake in this trade is treating a balance problem as an electronics problem. Openers get replaced constantly for symptoms that springs caused. When a spring has lost tension, the motor lifts weight it was never sized for, draws harder, overheats, wears its gear, and eventually gives up. Swap the opener and leave the springs, and a new unit inherits the same overload. Reverse the order and the new opener rarely turns out to be necessary at all.
The second trap is quieter: a single spring left on a two-car door because it is cheaper today. It shortens the life of that spring, loads the shaft unevenly, and returns as a service call sooner than anyone plans. Ask what the door weighs, ask what the spring system is rated for in cycles, and ask what happens to the other spring if only one is replaced.
National cost pages price a door and a labor allowance. They do not include the Town's minimum permit and inspection charge, the electrical sub-permit on a new opener circuit, or plan review where framing changes. Also missing: the low-headroom conversion a tuck-under garage needs, ember-resistant sealing near an open-space edge, design review on a street-facing panel, and hauling old sections off a steep driveway. On repairs they leave out the second failed part that emerges once the first one is off. They also ignore the difference between reaching a door on a flat driveway and reaching one at the top of a grade with no room to park a truck.
Get the door inspected where it is, with the repair total presented before any work begins. If the door is unbalanced, hanging unevenly, or sitting out of its track, keep people and vehicles clear and leave the opener switched off.
Call (925) 230-5528Upfront pricing · No obligation · Local Contra Costa County technician