Commercial Coaches
Related L&I Topics
About Commercial Coaches
A "commercial coach" is a structure (referred to as a unit) that:
- Can be transported in one or more sections;
- Is used for temporary commercial purposes;
- Is built on a permanent chassis;
- Conforms to the construction standards of state law for commercial coaches;
- May include plumbing, mechanical, electrical and other systems;
- May not be used as a single-family dwelling;
- Does not have to be placed on a permanent foundation.
Contact L&I before altering your commercial coach.
See WAC 296-150C.
Forms related to commercial coaches.

What alterations require permits & inspections?
L&I makes sure that changes (alterations) to commercial coaches meet safety standards.
What does L&I consider an "Alteration"?
An "Alteration" is the replacement, addition, modification or removal of any equipment or installation that affects the construction, planning considerations, fire safety, or the plumbing, mechanical and electrical systems.
The following ARE NOT considered alterations:
- Repairs to equipment with approved parts;
- Modification of a fuel-burning appliance according to the listing agency's specifications;
- Adjustment and maintenance of equipment.
Purchase a permit and schedule an inspection
If you need to obtain a permit or schedule an inspection, or have questions about either, please call or visit an L&I office near you.
How much are the fees?
To help estimate your costs, view the fee schedule. Fees can vary, however, depending on what you are doing. Call your local L&I office to request the fees specific to your job.
Fees
Note: These fees are for estimation purposes only. Please call 360-902-5264 for a complete estimate for your alteration project. (See WAC 296-150C-3000 for more about these fees.)
Fees effective June 30, 2008
| Commercial Coach Alteration Fees | |
| Initial filing fee | $36.10 |
| Design Plans | |
| Inital fee — Master design | $249.70 |
| Inital fee — One year design | $102.10 |
| Renewal fee | $43.10 |
| Resubmit fee | $72.90 |
| Addendum (Approval expires on same date as original plan.) | $72.90 |
| Electronic Plan Submittal Fee $5.00 per page is for the first set of plans and $0.30 per page for each additional set of plans. These fees are in addition to any applicable design plan fees required under these sections. |
|
| Electrical Plan
Review When required by WAC 296-46A-140 - for educational, institutional, or health care facilities and other buildings. |
|
| Electrical Plan submission fee | $72.90 |
| Service/Feeder Ampacity | |
| 0-100 | $32.20 |
| 101-200 | $40.20 |
| 201-400 | $75.50 |
| 401-600 | $89.00 |
| 601-800 | $114.80 |
| 801-1000 | $140.50 |
| Over 1000 | $152.50 |
| Over 600 volts surcharge | $24.00 |
| Thermostats | |
| First thermostat | $14.10 |
| Each additional thermostat | $3.20 |
| Low voltage fire and burglar alarm | |
| Each control panel and up to four circuits or zones | $12.90 |
| Each additional circuit or zone | $2.10 |
| Generators: Refer to appropriate service/feeder ampacity fees | |
| Altered services or feeders shall be charged the above rate per the service/feeder ampacity fees. | |
| Supplemental submissions of plans (resubmittals, addendums, renewals, code updates, etc.) shall be charged per hour or fraction of an hour.* | $86.30 |
| Electrical Commercial/Industrial | |
| Electrical Service/Feeders 200 Amperage plus | |
| Service/Feeder | $212.70 |
| Additional Feeder | $40.30 |
| Electrical MultiFamily Residential | |
| Electrical Service/Feeders 200 Amperage plus | |
| Service/Feeder | $112.80 |
| Additional Feeder | $28.70 |
| Medical gas plan review | |
| Submission fee | $69.80 |
| First station | $69.80 |
| Each additional station | $25.40 |
| Reciprocal Plan Review | |
| Initial Fee — Master design | $111.30 |
| Initial Fee — One year design | $67.20 |
| Renewal fee | $67.20 |
| Addendum | $67.20 |
| Plans approved by professionals | $50.60 |
| Approval of each set of design plans beyond first two sets | $13.60 |
| L&I Inspection Fees | |
| Inspection/re-inspection (per hour* plus travel time* and mileage**) | $72.90 |
| Travel (per hour*) | $72.90 |
| Per deim** | |
| Hotel*** | |
| Mileage** | |
| Rental car*** | |
| Parking*** | |
| Airfare*** | |
| L&I Audit Fees | |
| Audit (per hour*) | $72.90 |
| Travel (per hour*) | $72.90 |
| Per diem** | |
| Hotel*** | |
| Mileage** | |
| Rental car*** | |
| Parking*** | |
| Airfare*** | |
| Alteration inspection (one hour plus insignia alteration fee) | $109.10 |
| Insignia Fees | |
| First Section | $21.90 |
| Each Additonal Section | $13.60 |
| Re-issued lost/damaged | $13.60 |
| Other Fees | |
| Field technical service (per hour* plus travel time* and mileage**) | $72.90 |
| Publication printing and distribution of RCWs and WACs (one free copy per year upon request) | $13.60 |
| * Minimum charge of 1 hour; time spent greater
than 1 hour is charged in 1/2 hour increments ** Per state guidelines *** Actual charges incurred |
|
