Updated: Dec 23, 2025
Location and Projects
Address
91-1113 Waikapoo St, Ewa Beach, HI, 96706
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Building Science Construction
Building Science LLC, 91-1113 Waikapoo St, Ewa Beach, HI (Employee: Mckenzie Sean R) holds a General Building license and 1 other license according to the Hawaii license board.
Their BuildZoom score of 109 ranks in the top 5% of 3,768 Hawaii licensed contractors.
BuildZoom has not yet reviewed this license for verification. If you are thinking of hiring Building Science LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Building Science LLC Services
Start a project today:
Custom Home Build
New Home Construction
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Framing
Wood Fences
Flatwork Concrete
Foundations
Other Concrete
Garage Construction
Gutters and Flashing
Patios
Pole Barn
ADU
Small Multi-Family New Cons...
Small Multi-Family Remodel ...
Whole Home Remodel
Modular Home Construction
Pool House
Sunrooms and Greenhouses
Other Secondary Structure N...
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Attic Remodel
Single Room Remodel
Cosmetic Remodel
Building Science LLC Contact Information
Phone Number: (808) 398-1155
Address: 91-1113 Waikapoo St, Ewa Beach, HI 96706
Building Science LLC Ewa Beach
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Building Science LLC has a BuildZoom score of 109, which places them above 95% of 3,768 contractors in Hawaii.
Activity
|
7 projects
|
2025 |
|
11 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Building Science LLC has worked on at least
21.0 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
|
17 projects
|
Home Additions |
|
4 projects
|
Fences |
|
4 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Building Science LLC mostly works on
home addition
and new construction
projects.
Pricing
|
4 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
8 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
The typical size of their permits is approximately $162,000. 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.
Addition alteration bathroom/kitchen renovation electrical work
2025-01-13
(bp #000347) [tmk: 43015040] [tpr] 100-b n. kalaheo ave. bisetti residence - addition alterations with wet bar to existing single family dwelling. [third party review]
Valuation:
$629,050
Permit #:
000347
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
(bp #922460) [tmk: 35037064] [third party review] 1551 ainakoa ave akamu residence - addition/alteration to existing single family dwelling
Valuation:
$350,000
Permit #:
922460
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Solar water heater new building electrical work driveway electrical vehicle charger
2025-04-21
(bp #921670) [tmk: 98024031] [tpr] magtanong residence - new single family dwelling including new driveway ev charger
Valuation:
$422,400
Permit #:
921670
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
New single family...
Accessory dwelling unit solar water heater new building electrical work retaining wall
2025-04-14
(bp #921384) [tmk: 97058120] 2364 apoepoe st unit a richter residence - new detached stand-alone adu [eplans multi application project: all reviews and approvals on a2023-08-1504 for a2025-02-0809]
Valuation:
$138,146
Permit #:
921384
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Adu
Accessory dwelling unit addition solar water heater wetbar electrical work retaining wall
2025-04-14
(bp #921385) [tmk: 97058120] 2364 apoepoe st richter residence - new stand alone gazebo addition for existing single family dwelling [eplans multi application project: all reviews and approvals on a2023-08-1504 for a2025-02-0809]
Valuation:
$42,904
Permit #:
921385
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Gazebo
Addition alteration wetbar electrical work air conditioning
2025-04-08
(bp #921165) [tmk: 98054032] 98-1658 piki st. niiya residence - addition alterations to existing single family dwelling
Valuation:
$250,000
Permit #:
921165
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
(bp #904965) [tmk: 42019021] 364 auwinala rd. unit a fitzgerald residence - new adu converted from an existing single family dwelling. [multi-app: a2023-06-0726 & a2023-07-1384; all approvals on a2023-06-0726]
Valuation:
$250,000
Permit #:
904965
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
2fdd
Addition alteration electrical work driveway fence fire alarm gate
2024-02-21
(bp #904964) [tmk: 42019021] 364 auwinala rd fitzgerald residence - addition and alteration to existing single family dwelling. [multi-app: a2023-06-0726 & a2023-07-1384; all approvals on a2023-06-0726]
Valuation:
$250,000
Permit #:
904964
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
(bp #907563) [tmk: 97035025] 1027 kaweloka st unit a (upper-rear) agngarayngay residence - new adu. convert existing single family dwelling to 2fdd. [multi-app & all approvals to be on a2021-10-0846: a2021-10-0846 (alt) & a2021-10-0848 (adu)]
Valuation:
$150,000
Permit #:
907563
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
2fd
(bp #907562) [tmk: 97035025] 1027 kaweloka st. (lower-front) agngarayngay residence - alteration to existing single family dwelling. [multi-app & all approvals to be on a2021-10-0846: a2021-10-0846 (alt) & a2021-10-0848 (adu)]
Valuation:
$173,200
Permit #:
907562
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
(bp #912771) [tmk: 39101030] [tpr] 1030 kamehame dr. spiegel residence - addition/alterations to existing single family dwelling. [third party review]
Valuation:
$300,000
Permit #:
912771
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
(bp #903831) [tmk: *1592 & fmr tmk: 59003079] 59-621 ke iki rd ritson residence - addition/alteration to existing single family dwelling. second story addition w new wetbar
Valuation:
$250,000
Permit #:
903831
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Electrical work addition plumbing work alteration fence pool
2022-11-07
(bp #885747) [tmk: 42020059] 327 wanaao rd smith residence - addition alteration to existing single family dwelling to include new 20 driveway with apron new gate at front of property new 2-car garage new in ground swimming pool and new pool cabana with wetbar
Valuation:
$477,425
Permit #:
885747
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Electrical work addition alteration fence retaining wall
2022-10-31
(bp #885488) [tmk: 94120087] 94-620 kaiewa st. richardson residence- -addition/alteration with a wetbar to existing single family dwelling. new crm and cmu retaining walls. remove existing cmu wall and gate at the front/right of the property
Valuation:
$271,600
Permit #:
885488
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
(bp #885399) [tmk: 43012004] 32 kailua rd kellett residence - addition alteration to existing 1-story single family dwelling (add 2-story extension w wetbar and rumpus room; new 3-car garage; new detached storage)
Valuation:
$386,000
Permit #:
885399
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
(bp #906172) [tmk: 91094068] 91-492 maohaka pl hollingsworth residence - addition and alteration to existing single family dwelling. work to include new covered patio at the rear and right side of the property and new vinyl gate at the rear left (max ht. 6'-0")
Valuation:
$40,000
Permit #:
906172
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Addition alteration electrical work fence air conditioning gate
2024-09-18
(bp #913106) [tmk: 43012004] 32 kailua rd kellett residence - addition and alterations to existing single family dwelling. new 6'-0 crm wall with electric rolling gate at the front of property
Valuation:
$102,750
Permit #:
913106
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Addition alteration repair electrical work air conditioning
2023-09-13
(bp #898671) [tmk: 43012004] 32 kailua rd kellett residence - addition/alteration to existing 2-story single family dwelling
Valuation:
$800,000
Permit #:
898671
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
(bp #908179) [tmk: 34025045] (otr-60) 2549 myrtle st toshi residence - addition alteration to existing single family dwelling
Valuation:
$185,000
Permit #:
908179
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Dwelling
Addition alteration wetbar electrical work gate
2024-06-23
(bp #909610) [tmk: 91135057] 91-1019 kai weke st ragasa residence - addition/alteration new covered patio and rec room to existing single family dwelling w wetbar
Valuation:
$90,000
Permit #:
909610
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Building Science LLC Reviews
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Recent Buildzoom Projects
Building Science LLC License info
Verified License
| License # | CT-33218 |
| Status | Active |
| State | Hawaii |
| Type | General Building |
| Class | BC |
| Business Type | Organization (Limited Liability Company) |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Building Science LLC at the Hawaii Department of Commerce & Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CT-33218 |
| Status | Active |
| State | Hawaii |
| Type | General Building |
| Business Type | Organization (Limited Liability Company) |
- When BuildZoom last verified this license, it had an expiration date of September, 2018. Check the current license status of Building Science LLC with the Hawaii Department of Commerce & Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Insured
| Insurer | First Insurance Company Of Haw |
| Insured up to | $1,000,000 |
66
Permits
- Building permit records show that Building Science LLC has worked on 66 permitted projects.
Building Science LLC Employees
MR
Mckenzie Sean R
Responsible Managing Employee