Updated: May 12, 2026
Location and Projects
Address
PO BOX 33370, Seattle, WA, 98133
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Pro Staff Mechanical Inc
Pro Staff Mechanical Inc, Seattle, Po Box 33370, Seattle, WA (Owned by: Almo, Leonard) holds a Electrical Contractor, Hvac/Rfrg license and 5 other licenses according to the Tukwila license board.
Their BuildZoom score of 103 ranks in the top 10% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Pro Staff Mechanical Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Pro Staff Mechanical Inc Contact Information
Phone Number: (206) 361-0071
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Address: PO BOX 33370, Seattle, WA 98133
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Pro Staff Mechanical Inc Seattle
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Pro Staff Mechanical Inc has a BuildZoom score of 103, which places them above 90% of 128,670 contractors in Washington.
Activity
|
1 project
|
2025 |
|
3 projects
|
2023 |
Our building permit records indicate that Pro Staff Mechanical Inc has worked on at least
4.0 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.
Pricing
|
2 projects
|
$5k-$20k |
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.
Building Permits by Pro Staff Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Job #s45 - marcina cafe - maple leaf walk-in cooler install refrigeration piping between the rooftop condensing unit and connect it to the evaporator coil in the walk-in cooler box. insulate suction line piping with 1 wall thick insulation. suction line size will be 5/8 and liquid line size will be 3/8
Valuation:
$13,000
Permit #:
6951467-RF
Status:
complete
Fee:
$72
Permit Type:
N/A
Building Type:
Commercial
Providence mount st. vincent - walk in freezer install refrigeration piping between the rooftop condensing unit and connect it to the evaporator coil in the walk-in freezer vault box. insulate suction line with 1 wall thick insulation. suction line size will be 5/8 and liquid line size will be 3/8
Valuation:
$13,000
Permit #:
6987365-RF
Status:
complete
Fee:
$72
Permit Type:
N/A
Building Type:
Commercial
Andover park e|when submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the owner al... see more
Valuation:
N/A
Permit #:
M20-0131
Status:
final
Fee:
$504
Permit Type:
Non-residential
Building Type:
N/A
Job #1994 - 4-ton heat pump replacement reconnect to the existing refrigeration piping after replacing 4-ton heat pump system all exterior piping to be insulated per code the suction line will be insulated with 1 and protected with a uv vinyl protective shield
Valuation:
$400
Permit #:
6812068-RF
Status:
complete
Fee:
$140
Permit Type:
N/A
Building Type:
Commercial
Install new walk-in cooler condensing unit on roof & new evaporator coil in new walk-in cooler box pre-fabricated walk-in cooler box was installed by another contractor. secure new rooftop remote condensing unit to roof per code (see detail). run new refrigerant line set from new rooftop condensing unit to new indoor evaporator coil through new roof penetration as per plans. insulate ... see more
Valuation:
N/A
Permit #:
20 102780 BL
Status:
final
Fee:
$861
Permit Type:
N/A
Building Type:
N/A
Nut tree holdings - one new 5-ton packaged heatpump located on ground behind building on existing concrete pad associated supply and return air ductwork and grilles off of new packaged heat pump and one existing split system heat pump. 5 new general exhaust fans and associated exhaust ductwork. exhaust ductwork termination for one residential kitchen exhaust hood. paid for 1 ductwork ... see more
Valuation:
$45,000
Permit #:
MECH-2018-07127
Status:
final
Fee:
$1,570
Permit Type:
N/A
Building Type:
N/A
Job #1918 - totevision ste #200 air conditioning install (1) new 2-ton split-system air conditioning with a cooling coil & a 95% efficient gas-fired condensing furnace to serve the existing office area install (1) new outside/economizer air intake air roof hood (rh-1) install (1) new economizer relief air roof hood with a motorized damper (rh-2) install new sound lined sheet metal sup... see more
Valuation:
$23,500
Permit #:
6710390-ME
Status:
issued
Fee:
$995
Permit Type:
N/A
Building Type:
Commercial
Job #1926 - stib law firm - one convention place relocate (5) existing wall mounted temperature sensors relocate & reconnect (7) existing ceiling diffusers install (3) new return air grilles relocate (4) existing return air grilles new associated ductwork & ductwork insulation air balance system per plan. (stfi) subject to field inspection (15th floor only)
Valuation:
$4,800
Permit #:
6705639-ME
Status:
final
Fee:
$361
Permit Type:
N/A
Building Type:
Commercial
A nonresidential alteration to existing structure project installing {27-diffusers or grilles > 15} relocate (9) existing return air grilles relocated (5) existing supply air diffusers & associated fire/radiation dampers replace (13) existing plastic lattice (eggcrate) return air grilles with new aluminum lattice return air grilles new associated ductwork & fittings reconnect (1) exis... see more
Valuation:
N/A
Permit #:
19 107239 BL
Status:
final
Fee:
$382
Permit Type:
N/A
Building Type:
N/A
Unit s-102 starpoint condominiums south mechanical, a (mixed use) (alteration) project involving 1 ductless heat pump the work does not involve ventilation for a nail or hair salon the work does not involve ductwork the work does not involve ducts and diffusers the work does not involve diffusers
Valuation:
N/A
Permit #:
MEC19-00077
Status:
final
Fee:
$197
Permit Type:
N/A
Building Type:
N/A
Relocate (12) existing return air grilles relocated (11) existing supply air diffusers & associated ceiling radiation fire dampers/blankets new associated duct work & ductwork insulation relocate (1) existing 3/4-ton water source heat pump (wshp 1-24b) to serve meeting room 301 run new sheet metal outside air ductwork attached to existing tempered outside air ductwork to within 12 of ... see more
Valuation:
N/A
Permit #:
19 103648 BL
Status:
final
Fee:
$799
Permit Type:
N/A
Building Type:
N/A
Relocate (10) existing ceiling diffusers & (6) existing return air grilles supply & install (3) new return air grilles reconnect (6) existing diffusers to different vav boxes new associated tenant improvement. ductwork & ductwork insulation air balance & commissioning 18-129324bz
Valuation:
N/A
Permit #:
19 102722 BL
Status:
final
Fee:
$228
Permit Type:
N/A
Building Type:
N/A
Supply & install (5) new supply air diffusers & associated duct work supply & installed (5) new return air grilles relocate (1) existing supply air diffusers & (1) existing return air grille replace existing ceiling mounted exhaust fan in work flex 330 with a new inline exhaust fan & run new 6 exhaust duct work to the existing roof termination & install a new motorized back-draft damp... see more
Valuation:
N/A
Permit #:
18 131922 BL
Status:
final
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Relocated (18) existing ceiling diffusers (12) existing return air grilles install (4) new ceiling diffusers install (4) return air grilles install (1) new dual duct vav box to serve conference room #201 install (1) new in-line break room exhaust fan & associated duct work install (1) new mitsubishi 2-ton duct-less split system air conditioning (cooling only) new associated tenant imp... see more
Valuation:
N/A
Permit #:
18 129472 BL
Status:
final
Fee:
$1,478
Permit Type:
N/A
Building Type:
N/A
E18-29729: supply & install (14) new ceiling diffusers & (23) new return air grilles relocated (15) existing ceiling diffusers & (10) existing return air grilles new associated duct work & duct work insulation air balance commissioning & owner training
Valuation:
N/A
Permit #:
MNR2018-20436
Status:
final
Fee:
$575
Permit Type:
N/A
Building Type:
N/A
Epermit description of work: relocate (1) existing indoor duct-less split-system air handler in the it room install (1) new supply air grille & associated spiral ductwork into the bull pen room relocated (1) existing ceiling mounted exhaust fan into patient toilet 3 & reconnect to existing ventilation ductwork remove (1) existing return air grille remove (1) existing ceiling mounted e... see more
Valuation:
N/A
Permit #:
18101589KM
Status:
final
Fee:
$176
Permit Type:
N/A
Building Type:
N/A
Job #1964 - stable building refrigeration permit install & connect new refrigerant line set for split-system hvac system being replaced under mechanical permit #6774235-me
Valuation:
$500
Permit #:
6779662-RF
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
Commercial
Job #1942 community school of west seattle replacing (3) existing thermostats with new and adding (2) new temperature sensors. associated mechanical permit #6757277-me
Valuation:
$600
Permit #:
6757298-EL
Status:
complete
Fee:
$117
Permit Type:
Remodel or repair
Building Type:
Commercial
Sopa #54703 - nut tree holdings - supply & install (2) new low-voltage hvac thermostats (2) new low-voltage duct smoke detectors & (2) new low-voltage back draft damper actuators. customer paid for:(6) low voltage
Valuation:
$2,800
Permit #:
ELEC-2018-06880
Status:
final
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Job #1942 community school of west seattle replace (3) existing line sets with new. we have a mechanical permit #6757277-me for the replacement of the existing 3 split-systems these new line sets are for
Valuation:
$1,500
Permit #:
6757289-RF
Status:
complete
Fee:
$171
Permit Type:
N/A
Building Type:
Commercial
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Pro Staff Mechanical Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Pro Staff Mechanical Inc License info
License Not Verified
| License # | PROSTMI006C8 |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Hvac/Rfrg |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of Pro Staff Mechanical Inc with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PROSTMI072NG |
| 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 Pro Staff 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 # | PROSTMI006C8 |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Pro Staff 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 # | PROSTMI072NG |
| 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 Pro Staff Mechanical Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PROSTMI072NG |
| 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. If this is your business, please update your license status.
Check this license's status for Pro Staff Mechanical Inc at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PROSTMI006C8 |
| Status | Inactive |
| City | Sammamish |
| Type | Contractor |
| Business Type | Corporation |
- According to the The City of Sammamish, WA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Pro Staff Mechanical Inc at the The City of Sammamish, WA.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | West American Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Developers Surety & Indem Co |
| Bond Value | $12,000 |
569
Permits
- Building permit records show that Pro Staff Mechanical Inc has worked on 569 permitted projects.
Pro Staff Mechanical Inc Employees
AL
Almo, Leonard
Owner
AL
Almo, Leonard Lee
Owner
CD
Czeisler Davidson
KD
Kenneth Davidson
Agent
LA
Leonard Almo
President
PA
Penny Almo
Vice President