Updated: Jul 14, 2026
Location and Projects
Address
4301 S BANNER ST, Boise, ID, 83709
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King Mechanical LLC
King Mechanical LLC, 4301 S Banner St, Boise, ID (Owned by: Kelly King) holds a General Contractor Registration license and 3 other licenses according to the Idaho license board.
Their BuildZoom score of 108 ranks in the top 5% of 53,194 Idaho licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring King Mechanical LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
King Mechanical LLC Contact Information
Phone Number: (208) 922-1689
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Address: 4301 S BANNER ST, Boise, ID 83709
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King Mechanical LLC Boise
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
King Mechanical LLC has a BuildZoom score of 108, which places them above 95% of 53,194 contractors in Idaho.
Activity
|
45 projects
|
2025 |
|
28 projects
|
2024 |
|
33 projects
|
2023 |
Our building permit records indicate that King Mechanical LLC has worked on at least
106.0 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
|
12 projects
|
Commercial Renovations |
|
11 projects
|
Home Additions |
|
4 projects
|
New Constructions |
|
40 projects
|
Mechanical projects |
|
4 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that King Mechanical LLC mostly works on
mechanical project
and commercial renovation
projects.
Pricing
|
11 projects
|
< $5k |
|
7 projects
|
$5k-$20k |
|
12 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $10,544. 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.
Provide plumbing with drawings dated 10/19/2020 as follows. addendums noted: 0 • includes: excavation pvc waste & vent copper domestic water black gas piping pvc rain drain copper condensate plumbing insulation plumbing permit bid total $338, 540.00 • clarification: plumbing inside to a point 5 out for sewer & water and 30 out for storm drain. connections (poc) are to be within 5 of w... see more
Valuation:
$338,540
Permit #:
C-PLM-2021-0038
Status:
final
Fee:
$3,923
Permit Type:
N/A
Building Type:
N/A
Waste/vent rain drains domestic water condensate and fixtures
Valuation:
$254,320
Permit #:
C-PLM-2025-0175
Status:
complete
Fee:
$3,502
Permit Type:
N/A
Building Type:
N/A
Whole house re pipe using pex pipe with all brass fittings. new angle stop valves and supplies to all fixtures utility sink installation within the garage three frost free hose faucets hall lavatory shower valve replacement with trim(chrome) new laundry box and supplies 50-gallon gas water heater in garage with timed recirculation pump and tank booster 40-gallon electric water heater ... see more
Valuation:
N/A
Permit #:
PLM23-04515
Status:
final
Fee:
$272
Permit Type:
Alteration
Building Type:
Single family dwe...
Tying in new 1.5 gas piping to the existing 3 gas line on roof per revised plans. added gas piping will serve (2) pain booths and (1) future. the 3 gas piping has been increased to a 2# system to accommodate the increased btu load. existing and new piping will be tested to 60psi per code
Valuation:
$15,000
Permit #:
C-MEC-2022-0411
Status:
final
Fee:
$1,020
Permit Type:
N/A
Building Type:
N/A
Install water line from meter to north side of guest house; install water line from crawl space to equipment room and tie into existing distribution piping
Valuation:
N/A
Permit #:
PLM25-03914
Status:
final
Fee:
$348
Permit Type:
Alteration
Building Type:
Commercial
Provide plumbing with drawings dated 3/22/2021 as follows. addendums noted: 0 • includes: pvc waste & vent copper domestic water with insulation copper condensate black gas piping plumbing demolish excavation fixtures plumbing permit plumbing bid total $46, 562.00 • clarification: plumbing connections (poc) are to be within 5 of where shown on the drawings. price is good for 30 days •... see more
Valuation:
N/A
Permit #:
PLM22-00158
Status:
final
Fee:
$1,094
Permit Type:
New
Building Type:
Commercial
Provide plumbing with drawings dated 5/5/2021 as follows. addendums noted: 1, 2 • includes: pvc waste & vent copper domestic plumbing insulation copper condensate black gas piping pvc rain drain excavation fixtures plumbing permit plumbing bid total $78, 528.00 addition alt: provide & install exterior trench drain (no piping) total $25, 683.00 • clarification: plumbing inside to a poi... see more
Valuation:
N/A
Permit #:
PLM21-04702
Status:
final
Fee:
$2,408
Permit Type:
New
Building Type:
Public/government
Provide plumbing with drawings dated 12/23/2020 as follows. addendums noted: 0 • includes: demolish existing sink and replace with new. provide and install new chilled water bottle filler. inspection and permit
Valuation:
N/A
Permit #:
PLM21-01480
Status:
final
Fee:
$157
Permit Type:
Alteration
Building Type:
Commercial
Provide plumbing inside to a point 5’ out with drawings dated 8/24/2020 as follows. addendums noted: 0 • includes: pvc waste & vent copper domestic water with insulation black gas piping pvc rain drain with insulation fixtures excavation plumbing permit bid total $38, 326.00 ve: fixtures (based on approval) deduct $3, 000.00 ve: delete domestic cold-water insulation deduct $1, 500.00 ... see more
Valuation:
$38,326
Permit #:
C-PLM-2021-0028
Status:
final
Fee:
$997
Permit Type:
N/A
Building Type:
N/A
Plumbing caldwell flex pharmacy plumbing materials waste and vent pvc u g and pvc a g domestic water copper type l pex gas piping sch.40 black steel plumbing fixtures: l-1 bs-1 iwh-1 rpbp fco wco existing fixtures to remove and reinstall for u g waste poc water closet mop sink basin inclusions plumbing permit trenching and backfill safe off and demolish
Valuation:
N/A
Permit #:
P22-000229
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plumbing wvmc behavioral health expansion provide plumbing with drawings dated 6 22 2020 as follows. addendums noted: 1 includes: plumbing demolish cast iron waste and vent copper domestic water with insulation fixtures excavation plumbing permit ed expansion plumbing bid total $61, 328.00 clarification: plumbing connections (poc) are to be within 5 of where shown on the drawings. plu... see more
Valuation:
N/A
Permit #:
P22-000098
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Provide wet side plumbing with drawings dated 2/2/2021 as follows. addendums noted: 0 • includes: pvc waste & vent copper domestic water with hot insulation pex filtered water condensate final connections to owner supplied equipment excavation fixtures plumbing permit plumbing bid total $19, 918.00 • clarification: plumbing connections (poc) are to be within 5 of where shown on the dr... see more
Valuation:
$19,918
Permit #:
C-PLM-2021-0082
Status:
final
Fee:
$628
Permit Type:
N/A
Building Type:
N/A
New: • provide and install new drain waste and vent system • provide and install new hot and cold water system • provide and install new gas piping system • provide and install new fixtures • all plumbing systems to be installed as indicated in plans •
Valuation:
$16,070
Permit #:
PLM20-03367
Status:
final
Fee:
$398
Permit Type:
New
Building Type:
Commercial
Provide plumbing with drawings dated 12/10/2020 as follows. addendums noted: 1 • includes: pvc waste & vent copper domestic water copper remote terminal unit & freezer/cooler condensate final connection to owner provided equipment pvc rain drain plumbing insulation excavation fixtures plumbing permit plumbing bid total $225, 000.00 • clarification: plumbing connections (poc) are to be... see more
Valuation:
N/A
Permit #:
PLM21-01949
Status:
final
Fee:
$5,162
Permit Type:
New
Building Type:
Commercial
Provide plumbing inside to a point 5’ out with drawings dated 7/30/2020 as follows. addendums noted: 1 • includes: pvc waste & vent copper domestic water with hot side insulation black gas piping pvc rain drain with insulation remote terminal unit condensate to rain drains fixtures excavation plumbing permit bid total $28, 596.00 • clarification: plumbing connections (poc) are to be w... see more
Valuation:
$5,200
Permit #:
C-PLM-2021-0063
Status:
final
Fee:
$82
Permit Type:
N/A
Building Type:
N/A
• provide and install new drain waste and vent system • provide new hot and cold water system • addition to total $1500 to provide and install new recirc system • addition to total new gas piping system $7500 allowance • provide and install new plumbing fixtures as drawn per our selection • provide and install new water heater • provide all required testing and inspections • pricing s... see more
Valuation:
N/A
Permit #:
PLM20-04500
Status:
final
Fee:
$777
Permit Type:
New
Building Type:
Religious
Provide victory warehouse plumbing with drawings dated 6/8/2020 as follows. addendums noted: #2 • includes: copper domestic & non-potable water insulation black gas piping down stream of gas meter excavation plumbing permit • excludes: concrete core- cut-remove-replace sheetrock r&r hvac bond off hour work unsuitable soils work considered within the scope of another trade note #4 shee... see more
Valuation:
N/A
Permit #:
PLM20-05607
Status:
final
Fee:
$340
Permit Type:
New
Building Type:
Commercial
Provide and/or install domestic plumbing per drawings dated 12-21-2020 addendum # n/a plumbing materials waste & vent • pvc a/g domestic water • copper type l gas piping • sch.40 black steel condensate • copper type l plumbing fixtures 1 – d-1 1 – rp-1 8 – s-1 1 – s-2 1 – ss-1 1 – wb-1 1 – wb-2 4 – 2” wco 1 – water closet *existing removed & re-installed* 1 – lavatory *existing remove... see more
Valuation:
N/A
Permit #:
PLM21-01040
Status:
final
Fee:
$696
Permit Type:
Alteration
Building Type:
Commercial
Plumbing inside. plumbing connections (sanitary waste and domestic water) are to be within 5 of where shown on the drawings dated 11/30/20 addendums noted: 1 • includes: cast iron and pvc waste & vent copper domestic water copper condensate plumbing insulation plumbing demolish final connections to heat pumps fixtures plumbing permit wet side plumbing bid total $30, 576.00 alt.#1 bid ... see more
Valuation:
N/A
Permit #:
PLM21-01366
Status:
final
Fee:
$1,086
Permit Type:
New
Building Type:
Commercial
• provide core drilling for new waste piping • provide and install new drain waste and vent piping • provide and install new water piping • demolish existing sink and cap off piping • provide and install new sink faucet and disposal • provide all required testing and inspections • clean up • all work to be done during normal working hours
Valuation:
N/A
Permit #:
PLM21-01447
Status:
final
Fee:
$143
Permit Type:
Addition
Building Type:
Commercial
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Verified License
BuildZoom confirmed this contractor's license
King Mechanical LLC License info
Verified License
| License # | RCE-29612 |
| Status | Active |
| State | Idaho |
| Type | General Contractor Registration |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for King Mechanical LLC at the State of Idaho Bureau Of Occupational Licenses.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC-01161-4 |
| Status | Active |
| County | Ada County |
| Type | Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for King Mechanical LLC at the The Ada County Highway District (ACHD).
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 004037 |
| Status | Active |
| State | Idaho |
- BuildZoom has not verified this license since July, 2024.
Verify this license's status for King Mechanical LLC at the Idaho Division of Building Safety.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC-01161 |
| Status | Inactive |
| County | Ada County |
| Type | Contractor |
- According to the The Ada County Highway District (ACHD), 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 King Mechanical LLC at the The Ada County Highway District (ACHD).
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
290
Permits
- Building permit records show that King Mechanical LLC has worked on 290 permitted projects.
King Mechanical LLC Employees
KK
Kelly King
Owner
KM
King Mechanical