Updated: May 26, 2026
Location and Projects
Address
4463 Russell Rd, Mukilteo, WA, 98275
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Legacy One Heating, Inc
Legacy One Heating, Inc, 4463 Russell Rd, Mukilteo, WA (Employee: Karl Christensen) holds a Construction Contractor, General license and 2 other licenses according to the Tukwila license board.
Their BuildZoom score of 115 ranks in the top 2% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Legacy One Heating, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Legacy One Heating, Inc Services
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Legacy One Heating, Inc Contact Information
Phone Number: (425) 374-7052
Address: 4463 Russell Rd, Mukilteo, WA 98275
Legacy One Heating, Inc Mukilteo
Quality
115
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Legacy One Heating, Inc has a BuildZoom score of 115, which places them above 98% of 128,670 contractors in Washington.
Activity
|
1 project
|
2026 |
|
53 projects
|
2025 |
|
64 projects
|
2024 |
|
60 projects
|
2023 |
Our building permit records indicate that Legacy One Heating, Inc has worked on at least
178.0 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
|
20 projects
|
New Constructions |
|
6 projects
|
Home Additions |
|
139 projects
|
HVAC projects |
|
66 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Legacy One Heating, Inc mostly works on
hvac project
and mechanical project
projects.
Pricing
|
5 projects
|
< $5k |
|
53 projects
|
$5k-$20k |
|
25 projects
|
$20k-$50k |
|
5 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $16,970. 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.
Building Permits by Legacy One Heating, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Savvy salon|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 all a... see more
Valuation:
N/A
Permit #:
M24-0183
Status:
final
Fee:
$672
Permit Type:
Non-residential
Building Type:
N/A
Mallet - wilder we will be installing a heat pump + air handler. we will be doing ductwork on all three levels of the home. we will be installing a ductless heat pump we will be doing all the venting fans and water tanks as well. we will also install a winr guardian
Valuation:
$96,905
Permit #:
7013902-RF
Status:
issued
Fee:
$105
Permit Type:
N/A
Building Type:
Single family/duplex
Mallet - wilder we will be installing a heat pump + air handler. we will be doing ductwork on all three levels of the home. we will be installing a ductless heat pump we will be doing all the venting fans and water tanks as well. we will also install a winr guardian
Valuation:
$96,905
Permit #:
7013901-FR
Status:
issued
Fee:
$112
Permit Type:
N/A
Building Type:
Single family/duplex
Better builders - weymuller install american standard: s9v2u 96% 80k btu 4-ton & hisense: 4-ton dual fuel install r-454b & hesense: ductless 1:1 ducted install: r-454 as well as venting and fans
Valuation:
$31,700
Permit #:
7101160-RF
Status:
issued
Fee:
$77
Permit Type:
N/A
Building Type:
Single family/duplex
Better builders - weymuller install american standard: s9v2u 96% 80k btu 4-ton & hisense: 4-ton dual fuel install r-454b & hesense: ductless 1:1 ducted install: r-454 as well as venting and fans
Valuation:
$31,710
Permit #:
7100326-FR
Status:
issued
Fee:
$119
Permit Type:
N/A
Building Type:
Single family/duplex
Type: mechanical multifamily class: new structure novak: installing mitsubishi: 3- ton system & mitsubishi: 24k btu 2-ceiling cassette heat pump system
Valuation:
N/A
Permit #:
MMF25-03652
Status:
issued
Fee:
$1,237
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: addition to structure, , (1)exhaust fan with duct - kitchen
Valuation:
N/A
Permit #:
MSF24-07870
Status:
final
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Greater seattle - strip mall: 2018 imc - (5) exhaust fans + (4) package hvac units - due to fire damage we will be replacing all 4 package units located on the roof for like-for-like replacements. we will also be re-doing the ductwork and the venting for the bathrooms
Valuation:
$106,190
Permit #:
MECH-2023-08070
Status:
withdrawn
Fee:
$3,925
Permit Type:
N/A
Building Type:
N/A
Mechanical-furnace, a (single family residential) (repair or replacement) (mechanical) project involving 1 furnace work description/location (example: 1st floor master bathroom garage) there is no other onsite work that requires a building permit
Valuation:
N/A
Permit #:
BLD2024-0488
Status:
final
Fee:
$136
Permit Type:
N/A
Building Type:
N/A
Mechanical-2 gas piping 3 exhaust fans, a (single family residential) (new) (mechanical) project involving 1 dryer exhaust 2 gas piping outlets - mechanical 2 exhaust fan with duct - bathroom work description/location (example: 1st floor master bathroom garage) there is no other onsite work that requires a building permit
Valuation:
N/A
Permit #:
BLD2023-0230
Status:
final
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
Ravenna installing mitsubishi: 42k/5-ceiling cassette system & mitsubishi: 20k btu 2-ceiling cassette heat pump system
Valuation:
$26,724
Permit #:
7086280-FR
Status:
issued
Fee:
$119
Permit Type:
N/A
Building Type:
Single family/duplex
Snowridge 7545 installing american standard: s8v gold 60k btu/3-ton & hisense coleman: 3-ton heat pump coil system
Valuation:
$19,907
Permit #:
7091911-RF
Status:
issued
Fee:
$199
Permit Type:
N/A
Building Type:
Single family/duplex
Better builders - andrew we will be installing a 5-ton furnace with a 5-ton heat pump. we will be doing 3 floors of ductwork 250 hrv system bathroom fans laundry fans and dryer venting
Valuation:
$55,615
Permit #:
7004803-FR
Status:
issued
Fee:
$56
Permit Type:
N/A
Building Type:
Single family/duplex
Snowridge 7545 install american standard: s8v gold 60k btu/3-ton & hisense coleman: 3-ton heat pump coil system
Valuation:
$19,907
Permit #:
7091914-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
Mitch hoffman installing american standard: s9x2u 96% 60k btu 3-ton z & american standard: 14.3-seer 3-ton r454
Valuation:
$22,260
Permit #:
7085797-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
Type: mechanical single family class: replacement lee: installing mitsubishi: 24k btu 2-wall cassette heat pump system
Valuation:
N/A
Permit #:
MSF25-03399
Status:
final
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: addition to structure mcrbride-hillard-(6)exhaust fan w/duct-bath; (1)dryer exhaust; (1)exhaust fa w/duct-kitchen; (1)exhaust fan w/duct-laundry; (1)exhaust fan w/duct-whole house; (7)gas piping outlets; (1)furnace; (1)heat pump
Valuation:
N/A
Permit #:
MSF25-06848
Status:
issued
Fee:
$458
Permit Type:
N/A
Building Type:
N/A
Nikko huertas installing hisense: 2-ton air conditioner addition on & coleman: z9et 96% 2-stage 60k/3-ton
Valuation:
$16,129
Permit #:
7085476-RF
Status:
issued
Fee:
$199
Permit Type:
N/A
Building Type:
Single family/duplex
Nikko huertas installing hisense: 2-ton air conditioner addition on & coleman: z9et 96% 2-stage 60k/3-ton
Valuation:
$16,129
Permit #:
7085472-FR
Status:
issued
Fee:
$119
Permit Type:
N/A
Building Type:
Single family/duplex
Project name: garrett mechanical a (single family residential) (repair or replacement) project involving 1 heat pump
Valuation:
N/A
Permit #:
B2025-0221
Status:
issued
Fee:
$47
Permit Type:
N/A
Building Type:
N/A
Legacy One Heating, Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Legacy One Heating, Inc License info
Verified License
| License # | LEGACOH845L3 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Legacy One Heating, 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 # | LEGACOH845L3 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Legacy One Heating, 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 # | LEGACOH845L3 |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Limited Liability Company |
- 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 Legacy One Heating, Inc at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
115
BuildZoom Score
Insured
| Insurer | Security National Insurance |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indem Co |
| Bond Value | $6,000 |
333
Permits
- Building permit records show that Legacy One Heating, Inc has worked on 333 permitted projects.
Legacy One Heating, Inc Employees
KC
Karl Christensen
Partner/Member