Updated: Apr 12, 2026
Location and Projects
Address
4808 Ridgewest Dr E, Lake Tapps, WA, 98391
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Cornerstone Contracting Construction
Serving Lake Tapps, WA and surrounding communities, Cornerstone Contracting Inc brings over three decades of experience to custom home construction and remodeling projects. The firm specializes in building new homes from the ground up, as well as delivering substantial home renovations, additions, and remodeling services. Project examples include multi-level home builds and major kitchen, bathroom, and basement remodels. Cornerstone Contracting Inc works primarily with residential clients, focusing on delivering custom solutions tailored to each homeowner’s specifications and site conditions. The company manages projects through all phases, from initial concept and planning to construction and completion, coordinating with architects and other specialists as needed. With a portfolio spanning a range of architectural styles and project scales, Cornerstone Contracting Inc is equipped to handle complex builds and transformative renovations in the Lake Tapps area.
Cornerstone Contracting Inc Services
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Cornerstone Contracting Inc Contact Information
Phone Number: (532) 172-8620
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Address: 4808 Ridgewest Dr E, Lake Tapps, WA 98391
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Cornerstone Contracting Inc Lake Tapps
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cornerstone Contracting Inc has a BuildZoom score of 103, which places them above 90% of 128,670 contractors in Washington.
Activity
|
7 projects
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Cornerstone Contracting Inc has worked on at least
12.0 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
|
1 project
|
$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 Cornerstone Contracting Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Type: building single family class: new (supersedes bmf22-06391)forbes creek-nsfr w/aadu in association with sar18-00654. *sprinklers required* project: altig reasonable use
Valuation:
N/A
Permit #:
BSF25-00974
Status:
issued
Fee:
$973
Permit Type:
N/A
Building Type:
N/A
Type: building multifamily class: interior alteration, , totem lake heights apts - building b: all replacement windows and patio sliders will be like-for-like replacement. not considered rehabilitative construction per rcw 64.55
Valuation:
N/A
Permit #:
BMF21-07425
Status:
final
Fee:
$1,564
Permit Type:
N/A
Building Type:
N/A
Kolomiyets building 2 - new commercial industrial building connecting to main sewar. permit application submited for building 1 (swr24-0032)
Valuation:
N/A
Permit #:
SWR25-0064
Status:
approved
Fee:
$981
Permit Type:
N/A
Building Type:
N/A
Type: building multifamily class: exterior alteration, , totem lake heights apts - building a: all replacement windows and patio sliders will be like-for-like installs. not considered rehabilitative construction per rcw 64.55
Valuation:
N/A
Permit #:
BMF21-07424
Status:
final
Fee:
$1,555
Permit Type:
N/A
Building Type:
N/A
Type: building multifamily class: exterior alteration, , totem lake heights-leasing office window replacement and patio sliders will be like-for-like replacement
Valuation:
N/A
Permit #:
BMF22-01537
Status:
final
Fee:
$761
Permit Type:
N/A
Building Type:
N/A
Type: building multifamily class: exterior alteration lake heights apts-bldg g (all replacement windows and patio sliders will be like-for-like replacement.)
Valuation:
N/A
Permit #:
BMF22-00217
Status:
final
Fee:
$1,134
Permit Type:
N/A
Building Type:
N/A
Type: building multifamily class: exterior alteration lake heights apt-bldg f (all replacement windows and patio sliders will be like-for-like replacement.)
Valuation:
N/A
Permit #:
BMF22-00216
Status:
final
Fee:
$1,130
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
24-7060
Status:
expired
Fee:
$410
Permit Type:
N/A
Building Type:
Commercial
Kolomiyets building 1 - new commercial industrial building building office general rental space
Valuation:
N/A
Permit #:
SWR24-0032
Status:
approved
Fee:
$3,084
Permit Type:
N/A
Building Type:
N/A
Maplewood park apts unit j308. repair one fire damaged roof rafter
Valuation:
$3,500
Permit #:
B22005154
Status:
complete
Fee:
$328
Permit Type:
N/A
Building Type:
N/A
Nacelle apartments common area deck beam repair
Valuation:
$7,500
Permit #:
B24002786
Status:
complete
Fee:
$1,116
Permit Type:
N/A
Building Type:
N/A
Type: building multifamily class: exterior alteration totem lake heights apts (bldg e): all replacement windows and patio sliders will be like-for-like replacement. multifamily residential exterior alteration
Valuation:
N/A
Permit #:
BMF22-00463
Status:
expired
Fee:
$1,947
Permit Type:
N/A
Building Type:
N/A
Type: building multifamily class: exterior alteration totem lake heights building c: window replacement. all replacement windows and patio sliders will be like-for-like
Valuation:
N/A
Permit #:
BMF21-09983
Status:
final
Fee:
$1,759
Permit Type:
N/A
Building Type:
N/A
Type: building multifamily class: exterior alteration totem lake heights building d: window replacement. all replacement windows and patio sliders will be like-for-like
Valuation:
N/A
Permit #:
BMF21-09982
Status:
final
Fee:
$1,730
Permit Type:
N/A
Building Type:
N/A
Krahn - residence. remodel garage conversion to living space demolish 2 nonbearing walls install standing shower toilet & sink/vanity install 2 exhaust fans addition 78 sf deck rplc 8 windows rplc 1 patio door
Valuation:
$33,842
Permit #:
BP-16-00910
Status:
issued
Fee:
$1,193
Permit Type:
N/A
Building Type:
N/A
Repair fire damaged single family residence to original configuration subject to field inspection (stfi)
Valuation:
$0
Permit #:
659496
Status:
Finaled Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Detached garage acc'y to non-conforming single family residence, per plot plan stfi
Valuation:
$0
Permit #:
659037
Status:
Finaled Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel to replace insulation drywall and windows due to fire damage
Valuation:
$34,000
Permit #:
200857
Status:
Final
Fee:
$517
Permit Type:
N/A
Building Type:
Sfp
Plumbing for replacment of two sinks
Valuation:
$0
Permit #:
200859
Status:
Final
Fee:
$34
Permit Type:
N/A
Building Type:
N/A
Kolomiyets commercial development commercial development project that involves civil site improvement design for a site with two buildings with areas of approximately 8 010 square feet and 1 350 square feet
Valuation:
N/A
Permit #:
STM24-0098
Status:
issued
Fee:
$19,746
Permit Type:
N/A
Building Type:
N/A
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173
BZ Score
-
Avg Project
-
Projects
158
BZ Score
$250K
Avg Project
-
Projects
164
BZ Score
$32.4K
Avg Project
-
Projects
Cornerstone Contracting Inc Reviews
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Cornerstone Contracting Inc License info
Verified License
| License # | CORNECI854PK |
| 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 Cornerstone Contracting 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 # | CORNECI854PK |
| 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 Cornerstone Contracting Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | Security National Insurance |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Wesco Insurance Co |
| Bond Value | $12,000 |
18
Permits
- Building permit records show that Cornerstone Contracting Inc has worked on 18 permitted projects.
Cornerstone Contracting Inc Employees
KN
Kolomiyets, Sergey N
Owner
NK
Nikolay Kolomiyets
Member
SK
Sergey Kolomiyets
Member