$30 off spring replacement. Springs from $225. Code CG-SPRING, good through Dec 31, 2026.
Prices checked Oct 2026
Garage door repair cost in Mill Valley
One list for the city and the valleys. Tune-ups $79.
- $79
- tune-up, one door
- $340
- one section replaced, from
- $195
- off-track reset, from
- $0
- the quote visit
02 Mill Valley
Old frames take fitting time
28.2% of Mill Valley homes predate 1940. Parts cost the same anywhere. What moves a job above its starting price here is fitting a door to an opening that has gone out of square.
Tune-up
$79Balance, hardware, lube, sensor and reversal test
What can raise the price
- Worn parts found at the tune-up, each priced before any work
Section replaced
from $340One panel, when the model is still made
What can raise the price
- A bottom section, which holds the cable brackets
- Matching the paint or finish
- A section that has to be ordered
Off-track reset
from $195Door reseated, track checked and straightened
What can raise the price
- A creased track section that has to be replaced
- A snapped cable or worn rollers found at the visit
- A door opening that is no longer square
Torsion spring, one
from $225Standard 10,000-cycle spring, installed and balanced
What can raise the price
- A heavy, insulated, wood or oversized door, which needs a larger spring
- A high-cycle spring, if you choose one
- Worn cables, rollers or drums found at the visit
- A part that has to be ordered
Roller set
from $170Ten nylon rollers on a standard door
What can raise the price
- More than ten rollers on a tall or double door
- Worn hinges or gouged track found at the visit
03 Offers
Coupons
All coupons
04 Questions
Mill Valley price questions
All pricesWhat does garage door repair cost in Mill Valley?
Chen Garage Door's Mill Valley prices: a $79 tune-up, a replaced section from $340 and an off-track reset from $195. Tam Valley, Strawberry and the other 94941 valleys are on the same list, and the quote visit is free, day or night.
Does a hard-to-reach canyon home cost more?
No. Give us the street and the nearest cross street when you book, and we plan the approach. The starting prices are the same.
How do you price a job: hourly or per job?
Per job. We look at the opening, measure it if it is out of square, and give you one price for the work at the free visit.
