Updated: Jun 17, 2026
Location and Projects
Address
1600 WEBSTER STREET #C2, San Francisco, CA, 94115
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K 2 Builders Construction
K2 Builders Inc. specializes in custom construction projects throughout the San Francisco Bay Area, managing work ranging from new single-family homes to multi-unit condominium buildings and extensive remodels. The company’s portfolio includes new construction on Larkin Street for multi-unit residential buildings, penthouse builds in Nob Hill, and single-family home developments such as the Vista Linda project, which involved both new construction and demolition. K2 Builders Inc. serves both homeowners and developers seeking large-scale residential builds or renovations in urban neighborhoods, with particular experience delivering projects in San Francisco’s core districts. The firm combines experience in ground-up construction, remodeling, and multi-phase developments, emphasizing proactive communication and budget management throughout each project.
K 2 Builders Inc Services
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K 2 Builders Inc Contact Information
Phone Number: (415) 334-6845
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Address: 1600 WEBSTER STREET #C2, San Francisco, CA 94115
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K 2 Builders Inc San Francisco
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
K 2 Builders Inc has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
7 projects
|
2024 |
|
13 projects
|
2023 |
Our building permit records indicate that K 2 Builders Inc has worked on at least
25.0 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
|
5 projects
|
Home Additions |
|
5 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that K 2 Builders Inc mostly works on
kitchen remodel
and home addition
projects.
Pricing
|
5 projects
|
< $5k |
|
7 projects
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
5 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $12,000. 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.
Alteration of ground floor commercial building of type v construction with the addition of 3 stories of r-2 residential type v-a construction above. the proposed addition will provide 1 residential unit per floor with a private terrace at the second floor rear yard and a common area roof deck
Valuation:
$2,250,982
Permit #:
202109158510
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Paint windows at all levels. replace 2 rotten wood windows in kind at rear. replace french doors (rotten) in kind at rear. install scaffolding at street side (front) and rear of property. area of work not associated with bpa 202507100533 (suspended)
Valuation:
$8,000
Permit #:
202508132960
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Demolish (e) kitchen down to studs replace cabinetry/drywall/insulation in kind replace fixtures to replicate existing. no relocation of plumbing fixtures. all work in kind
Valuation:
$30,000
Permit #:
202504184803
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
First floor single story addition at rear with roof deck. 1st and 2nd floor renovation. window & exterior door replacement. front facade stucco replacement. new rear deck
Valuation:
$200,000
Permit #:
202208190941
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Addition habitable space to 1st floor/garage level-media room bathroom & 2 bedrooms rebuild interiror stair connecting levels 1 & 2. 2nd floor renovation:remodel kitchen & bathrooms remove bay @ rear. rear yard deck @ grade
Valuation:
$253,000
Permit #:
202106142350
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Addition of (2) new units on 1st & mezzanine flrs per ord 162-16. total of: (2) living rooms (4) bedrooms (3) bathrooms (2) offices (2) kitchens (1) powder room. include revision to soft story p.a.# 2017-0823-5637
Valuation:
$250,000
Permit #:
201707212632
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Horizontal add.rear addition/remodel/convert(e) lower floor storage(e)2 story building into new res'l dwg incl:remove rear portion of(e)bldg at lower floor&upper floor, (n)rear addition at lower & upper floor; create(n)1 car garage at lower fl, rescope(e)driveway access to the(n)garage create(n)2 bedrms
Valuation:
$180,000
Permit #:
201704133909
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Revision 202008313026- minor interior modification on all floors. 1/f: relocate laundry mud room & wetbar. 2/f: enlarge wc addition pocket door. 3/f: move wall between bd3 & 4 addition laundry room remove skylight reduce mb envelope reduce slider in bd4
Valuation:
$1
Permit #:
202403208226
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Repair brick parapet in kind street facing. (west and south facing). repair brick above window at west facade. 20 sf. repair brick above 2 windows at south facing facade. 40 sq ft
Valuation:
$10,000
Permit #:
202509115155
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Convert (e) 2-story church building into (4) residential condominium units. addition (2) stories to (e) building. (3) storage area @ rear in (e) building
Valuation:
$5,000,000
Permit #:
201912169688
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Legalization of in-kind window replacement in compliance to report# 202306974. window replacement is not street visible. u=.30max 8 total windows
Valuation:
$5,000
Permit #:
202304216210
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Legalize 3 storage units into local adu's. no construction work
Valuation:
$455,556
Permit #:
202502271195
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Replace fire damaged siding @ north side 1350 sqft approx. replace windows broken by the sffd @south side (x2) - all work in kind. to comply with violation #: 202311918
Valuation:
$45,000
Permit #:
202404160058
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Change of use from warehouse s-2 to industrial f-2. new sprinkler system & new bathroom & shower
Valuation:
$400,000
Permit #:
202207229188
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
20 - warehouse, n...
Remodel and expansion of existing basement garage shore (e) residence as req for basement expansion remove & rebuild in kind (e) outdoor patio & planter in kind provide nw lightin & elec.vehicle charching relocate (e) sump pump- maher required
Valuation:
$250,000
Permit #:
201702179704
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
**structural roof strengthening replace 400 sq. f. fire damaged mezzanine & replace 2, 200 sq. ft. slab-on-grade. ref eid nov 201723701
Valuation:
$180,000
Permit #:
202207229186
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
20 - warehouse, n...
Convert extg garage into habitable space excavation at the rear replace foundation and slab renovate extg 2nd level
Valuation:
$220,971
Permit #:
201907267134
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Upgrade (e) kitchen cabinetry & countertops. replace in-kind with new cabinets & countertop. no change to layout or onfigurations
Valuation:
$35,000
Permit #:
202210114125
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Inspect drainage perforated pipe+ catch basin tie in. ref202403208226
Valuation:
N/A
Permit #:
PP20250429929
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To obtain final inspection for work approved under pa#: 202310118385 202304286690 and 202302141929 all work is complete
Valuation:
$1
Permit #:
202501178635
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
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K 2 Builders Inc Reviews
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K 2 Builders Inc License info
Verified License
| License # | 877856 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for K 2 Builders Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 938812 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- According to the California Contractors State License Board, 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 K 2 Builders Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
87
Permits
- Building permit records show that K 2 Builders Inc has worked on 87 permitted projects.
K 2 Builders Inc Employees
CK
Chinsoo Louis Kim
Officer
GO
Garrett Joseph O'donoghue
Rmo / Ceo / Pres
GO
Garrett Joseph ODonoghue
Rmo / Ceo / Pres
XX
Xialiang Xie
Sole Owner
XX
Xialiang Xie
Rmo/Ceo/Pres