Updated: May 07, 2026
Location and Projects
Address
14524 E Sicilia Ln, Mead, WA, 99021
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Hydrosci HVAC/Mechanical Contractor
Hydrosci, LLC, 14524 E Sicilia Ln, Mead, WA (Employees: Greg Rehn, Gregory Rehn, and REHN, GREG M) holds a Plumbing Contractor, Journey Level license and 7 other licenses according to the Tukwila license board.
Their BuildZoom score of 102 ranks in the top 11% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hydrosci, LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Hydrosci, LLC Contact Information
Phone Number: (509) 464-0531
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Address: 14524 E Sicilia Ln, Mead, WA 99021
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel demolish some existing radiators change boiler
Valuation:
N/A
Permit #:
B2506820MECH
Status:
issued
Fee:
$117
Permit Type:
Remodel
Building Type:
N/A
Radiant floor heating system on 3 floors. 2 ground source heat pumps in heat only application. 1 air source hp water heater. 1 shower steam unit (electric)
Valuation:
N/A
Permit #:
B2120895MECH
Status:
expired
Fee:
$117
Permit Type:
New
Building Type:
N/A
Old boiler was failing and a new lochinvar knight to be installed
Valuation:
N/A
Permit #:
B2306756MECH
Status:
final
Fee:
$79
Permit Type:
Remodel
Building Type:
N/A
Boiler replacement related piping and addition of 1 indirect fired water heater
Valuation:
N/A
Permit #:
B2218867MECH
Status:
final
Fee:
$82
Permit Type:
Remodel
Building Type:
N/A
Old boiler burner assembly had failed when refractory collapsed into burn chamber. a new boiler is needed
Valuation:
N/A
Permit #:
B2118153MECH
Status:
final
Fee:
$69
Permit Type:
Remodel
Building Type:
N/A
2 story home with radiant floor heating. gas boiler. 5 thermostat zones
Valuation:
N/A
Permit #:
B2113545MECH
Status:
final
Fee:
$68
Permit Type:
New
Building Type:
N/A
Install new gas line to gas range
Valuation:
N/A
Permit #:
B2309951MECH
Status:
final
Fee:
$50
Permit Type:
Remodel
Building Type:
N/A
Plumbing for new home 5 bathrooms kitchen laundry & misc
Valuation:
N/A
Permit #:
B2119909PLMB
Status:
expired
Fee:
$344
Permit Type:
New
Building Type:
N/A
Replace failed cast iron boiler with 2 wall hung lochinvar knight boilers
Valuation:
N/A
Permit #:
B2303560MECH
Status:
final
Fee:
$99
Permit Type:
Remodel
Building Type:
N/A
Building #5 - plumbing
Valuation:
N/A
Permit #:
BLD2023-0049
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial-plum-new
Addition small amount of radiant floor heat to concrete slab in living room and master bathroom (2-loops)
Valuation:
N/A
Permit #:
B1918863MECH
Status:
final
Fee:
$62
Permit Type:
New
Building Type:
N/A
Gas piping to future range bbq and fireplace
Valuation:
N/A
Permit #:
B1914103MECH
Status:
final
Fee:
$40
Permit Type:
New
Building Type:
N/A
Radiant floor heat system
Valuation:
N/A
Permit #:
BLD2024-0394
Status:
issued
Fee:
$235
Permit Type:
Mechanical
Building Type:
Single family
No Description Available
Valuation:
N/A
Permit #:
E-B2206072
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Radiant floor heating system w gas boiler. slab on subfloor application 8 zones and 3 manifolds
Valuation:
N/A
Permit #:
B1706236MECH
Status:
final
Fee:
$97
Permit Type:
New
Building Type:
N/A
Residence w-g
Valuation:
N/A
Permit #:
B2400097
Status:
applied
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
E-B2504283
Status:
complete
Fee:
$0
Permit Type:
N/A
Building Type:
Residential
Move toilet & lav. add floor drain. new shower
Valuation:
N/A
Permit #:
B1801963PLMB
Status:
final
Fee:
$69
Permit Type:
Remodel
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
E-B2403380
Status:
expired
Fee:
$160
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
E-B2402160
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
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Hydrosci, LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Hydrosci, LLC License info
License Not Verified
| License # | HYDROL*785KQ |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Journey Level |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Hydrosci, LLC with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HYDROL*927C5 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of Hydrosci, LLC with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HYDROL*927D6 |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Hvac/Rfrg |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of Hydrosci, LLC with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HYDROL*785KQ |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hydrosci, LLC 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 # | HYDROL*927D6 |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Hydrosci, LLC 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 # | HYDROL*927C5 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hydrosci, LLC 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 # | HYDROL 927D6 |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Hvac/Rfrg |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of March, 2018. Check the current license status of Hydrosci, LLC with 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 # | HYDROL 927C5 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, General |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of February, 2018. Check the current license status of Hydrosci, LLC with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Insured
| Insurer | Country Mutual Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Old Republic Surety Co |
| Bond Value | $12,000 |
105
Permits
- Building permit records show that Hydrosci, LLC has worked on 105 permitted projects.
Hydrosci, LLC Employees
GR
Greg Rehn
Partner/Member
GR
Gregory Rehn
Partner/Member
RM
REHN, GREG M
Partner/Member
RM
REHN, GREGORY MICHAEL
Governing Persons