Updated: Jun 23, 2026
Location and Projects
Address
3425 16th Ave W, Seattle, WA, 98119
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Loyal Mechanical Plumber
Loyal Mechanical Inc, 3425 16th Ave W, Seattle, WA (Owned by: Schmehl, Robert Scott) holds a Construction Contractor, General license and 5 other licenses according to the Tukwila license board.
Their BuildZoom score of 111 ranks in the top 4% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Loyal Mechanical Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Loyal Mechanical Inc Contact Information
Phone Number: (206) 794-9798
Address: 3425 16th Ave W, Seattle, WA 98119
Loyal Mechanical Inc Seattle
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Loyal Mechanical Inc has a BuildZoom score of 111, which places them above 96% of 128,670 contractors in Washington.
Activity
|
13 projects
|
2025 |
|
15 projects
|
2024 |
|
17 projects
|
2023 |
Our building permit records indicate that Loyal Mechanical Inc has worked on at least
45.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
4 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
36 projects
|
Plumbing projects |
|
10 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Loyal Mechanical Inc mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $16,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
(6) gas piping (6) gas appliances 2021 imc - cap and safe off existing piping for gc demolish crew. layout for new work with gc foreman. install new plastic dwv for new fixture locations and copper type l water to all fixture and appliance locations. insulate piping per code. prepare installation for rough-in inspections. meet inspector at job and get ok to cover. return and make fina... see more
Valuation:
$15,000
Permit #:
MECH-2025-06212
Status:
issued
Fee:
$499
Permit Type:
N/A
Building Type:
N/A
(5) gas appliances + (5) gas piping - 2021 imc - cap and safe off existing piping for gc demolish crew. layout for new work with gc foreman. install new plastic dwv for new fixture locations and copper type l water to all fixture and appliance locations. insulate piping per code. prepare installation for rough-in inspections. meet inspector at job and get ok to cover. return and make ... see more
Valuation:
$15,000
Permit #:
MECH-2025-05625
Status:
withdrawn
Fee:
$421
Permit Type:
N/A
Building Type:
N/A
Cap and safe off existing piping for gc demolish crew. layout for new work with gc foreman. install new plastic dwv for new fixture locations and copper type l water to all fixture and appliance locations. insulate piping per code. prepare installation for rough-in inspections. meet inspector at job and get ok to cover. return and make final plumbing connections to fbo fixtures faucet... see more
Valuation:
$15,000
Permit #:
MECH-2025-05498
Status:
withdrawn
Fee:
$123
Permit Type:
N/A
Building Type:
N/A
1806 boiler replace existing water heater with new bradford white ef-100t-300e-3na 100 gal 300, 000 btu (asme rated) commercial water heater. replace existing failed condensate drain pump replace copper between tank and ball valve for outgoing water from tank due to pinhole leaks. rework venting and gas piping as needed to accommodate new tank
Valuation:
$38,000
Permit #:
7052407-BP
Status:
complete
Fee:
$595
Permit Type:
N/A
Building Type:
Multifamily
Rough-in plastic-dwv and pex water to fixture locations shown as well as 2ea floor drains 1ea 80gal electric water heater 1ea hot water recirculation pump 1ea emergency shower/eye wash 2ea hot/cold wall hydrants premise protection 2ea ice maker boxes pipe insulation and 1ea coffee maker line. provide fixtures faucets and drains. return and make plumbing connections
Valuation:
N/A
Permit #:
24115424KP
Status:
issued
Fee:
$394
Permit Type:
N/A
Building Type:
N/A
Drill or snail valves dual lines cap at fl real cap 1 1
Valuation:
N/A
Permit #:
MOP25-0745
Status:
triage
Fee:
$260
Permit Type:
N/A
Building Type:
N/A
Drill or snail valves dual lines cap at fl real cap 1 1
Valuation:
N/A
Permit #:
OTC25-0723
Status:
filed
Fee:
$260
Permit Type:
N/A
Building Type:
N/A
Sunset oaks apartments building b & garage. install plumbing to new multi family building
Valuation:
$250,000
Permit #:
P20003011
Status:
complete
Fee:
$4,977
Permit Type:
N/A
Building Type:
N/A
Type: mechanical non residential - mnr class: alteration to structure or system, , rairdon's kirkland dcj service center (re: bnr20-06462): run gas piping from meter to new make up air unit
Valuation:
N/A
Permit #:
MNR21-04157
Status:
final
Fee:
$121
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 back flow preventer - 3/4 1 water service - 3/4")
Valuation:
N/A
Permit #:
21 121339 BN
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Install water and dwv to all new fixtures run nonmedical vacuum and nonmedical air piping to all outlets per plan 21 102074 bz
Valuation:
N/A
Permit #:
21 116898 BO
Status:
final
Fee:
$303
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 gas piping only (no fixtures))
Valuation:
N/A
Permit #:
21 121338 BK
Status:
final
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Rough in and trim out new fixtures to same locations. - paid for 2 bathtub 1 clothes washer 1 dishwasher 1 shower/valve 4 bathroom sink 1 kitchen sink 1 utility sink 3 toilets 1 other. 2015 ipc
Valuation:
$12,000
Permit #:
PLUM-2020-02842
Status:
final
Fee:
$597
Permit Type:
N/A
Building Type:
N/A
1 sink 1 ice maker
Valuation:
N/A
Permit #:
2505-105
Status:
issued
Fee:
$209
Permit Type:
N/A
Building Type:
N/A
Residential remodel
Valuation:
N/A
Permit #:
OTC25-0948
Status:
filed
Fee:
$260
Permit Type:
N/A
Building Type:
N/A
Type: plumbing single family - psf class: replacement, , a (single family residential repair or replacement) project installing (bathroom sink; underslab or footing drain; piping - dwv; plumbing fixtures per plans; duplex). additional info (). work site location ()
Valuation:
N/A
Permit #:
PSF18-04806
Status:
final
Fee:
$68
Permit Type:
N/A
Building Type:
N/A
Type: plumbing single family - psf class: alteration to structure or system, , a (single family residential alteration) project installing (3 toilet; 3 bathroom sink; 1 laundry tub; 1 clothes washer; 1 hot water heater; 3 shower tub or combo; 2 kitchen sink; plumbing fixtures per plans; 2 hose bib; 1 piping - water service; water line re-pipe; 1 pressure reducing valve - plum; 1 ice m... see more
Valuation:
N/A
Permit #:
PSF18-00550
Status:
final
Fee:
$273
Permit Type:
N/A
Building Type:
N/A
Type: plumbing single family class: alteration to structure or system, , khan residence (re: bsf19-02034): 2 dishwasher; 2 kitchen sink;
Valuation:
N/A
Permit #:
PSF19-02532
Status:
final
Fee:
$91
Permit Type:
N/A
Building Type:
N/A
Sewer - install clean out on private property, installation of a cleanout access point
Valuation:
N/A
Permit #:
ENG2024-0412
Status:
final
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 toilet 2 bathroom sink 1 shower tub or combo)
Valuation:
N/A
Permit #:
21 122816 BN
Status:
final
Fee:
$89
Permit Type:
N/A
Building Type:
N/A
Loyal Mechanical Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Loyal Mechanical Inc License info
Verified License
| License # | LOYALMI141OK |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Loyal Mechanical Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LOYALDL771L8 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Loyal Mechanical Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LOYALMI141OK |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Loyal Mechanical Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LOYALMI141OK |
| Status | Active |
| City | Sammamish |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Loyal Mechanical Inc with the The City of Sammamish, WA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LOYALDL771L8 |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Loyal Mechanical Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LOYALMI141OK |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Corporation |
- According to the The City of Marysville, Washington, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Loyal Mechanical Inc at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Insured
| Insurer | Federated Mutual Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Federated Mutual Ins Co |
| Bond Value | $12,000 |
865
Permits
- Building permit records show that Loyal Mechanical Inc has worked on 865 permitted projects.
Loyal Mechanical Inc Employees
BL
Brian Larson
Member
LL
LARSON, BRIAN L
LK
LARSON, SONIA K
Secretary
RS
Robert Schmehl
Partner/Member
SS
Schmehl, Robert Scott
Owner
SL
Sonia Larson
Secretary