Updated: May 28, 2026
Location and Projects
Address
P.O BOX 1243, Grass Valley, CA, 95945
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JAMES L KOSKINEN Construction
JAMES L KOSKINEN, Grass Vly, Po Box 1243, Grass Valley, CA (Owned by: James Lee Koskinen) holds a General Building license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring JAMES L KOSKINEN, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
JAMES L KOSKINEN Services
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JAMES L KOSKINEN Contact Information
Phone Number: (530) 274-0953
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Address: P.O BOX 1243, Grass Valley, CA 95945
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JAMES L KOSKINEN Grass Valley
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JAMES L KOSKINEN has a BuildZoom score of 93, which places them above 73% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
Our building permit records indicate that JAMES L KOSKINEN has worked on at least
1.0 project over the past 2 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel master bedroom relocating the closet and bathroom fixtures. addition bay window in kitchen nook. replace kithen cabinets appliances and fixtures. no changes to layout. replace windows and doors throught like for like. 10/7/11 revise bathroom #3 to remove shower and addition washer/dryer. permit is good for 3 inspections. additional inspections are $125.78 each. final inspectio... see more
Valuation:
$30,000
Permit #:
11001584
Status:
complete
Fee:
$520
Permit Type:
N/A
Building Type:
N/A
Repair and replace like for like. 663 sq. ft. deck at rear south and side east of the residence to include deck boards railings and joist. replace deck joists with p.t.d.f. replace deck material with composit decking. replace 42 inch railing with w.r. panels and 4x4 posts. existing portable hot tub
Valuation:
$20,000
Permit #:
09001100
Status:
complete
Fee:
$386
Permit Type:
N/A
Building Type:
N/A
For an interior remodel at an existing single dwelling unit. scope to inlcude; remodel of existing bathroom to add shower, demo of interior partition, upgrade electrical serivce, and add new mechanical unit.
Valuation:
$3,500
Permit #:
1248641
Status:
Cancelled - Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
Add/Alt 1 or 2 Fa...
Nsf (1352) garage (624) cov (560) open (330)gen-camp fire rebld
Valuation:
$130,914
Permit #:
B19-2376
Status:
final
Fee:
$5,835
Permit Type:
Sfd-custom/model
Building Type:
N/A
Replace 3 windows and 3 doors replace kitchen and bathroom cabinets and fixtures repair vandalism throughout single family dwelling drx120745
Valuation:
$40,000
Permit #:
RB1202405
Status:
final
Fee:
$2,032
Permit Type:
N/A
Building Type:
N/A
U1 vb-as built shed roof storage 144 sq. ft. single story attached to the 26 x 68 garage on the south side housing pressure tank and storage
Valuation:
$8,000
Permit #:
07008296
Status:
final
Fee:
$1,805
Permit Type:
N/A
Building Type:
N/A
Replace deck surface boards stair tread and stringers joist and railing to code with trex material
Valuation:
$7,000
Permit #:
09000209
Status:
complete
Fee:
$129
Permit Type:
N/A
Building Type:
N/A
Kitchen/bath remodels. house alterations. convert existing to adu
2010-09-23
Expand laundry room into garage install whole house fan
Valuation:
$2,000
Permit #:
CBAR2010-00164
Status:
final
Fee:
$454
Permit Type:
Alteration/remodel
Building Type:
N/A
U1 vb-new single story carport 360 sq. ft. attached on the north side of garage-shop
Valuation:
$15,000
Permit #:
07008294
Status:
complete
Fee:
$1,089
Permit Type:
N/A
Building Type:
N/A
Plumbing for vandalism repair
Valuation:
N/A
Permit #:
RP1201544
Status:
final
Fee:
$429
Permit Type:
N/A
Building Type:
N/A
Electrical for vandalism repair
Valuation:
N/A
Permit #:
RE1202035
Status:
final
Fee:
$485
Permit Type:
N/A
Building Type:
N/A
Replace 2 92% afue fau's
Valuation:
N/A
Permit #:
RM1201047
Status:
final
Fee:
$266
Permit Type:
N/A
Building Type:
N/A
Adding a master bedroom closet/enlarging study and reroof
Valuation:
$0
Permit #:
00073064
Status:
Closed
Fee:
$468
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$182,955
Permit #:
28372
Status:
final
Fee:
$6,996
Permit Type:
New single family
Building Type:
N/A
Residence add/extend master bedroom/bedroom/kitchen/remo
Valuation:
$0
Permit #:
01075799
Status:
Closed
Fee:
$833
Permit Type:
N/A
Building Type:
N/A
Finish bsmnt to sto/golf cart/workshop (existing s
Valuation:
N/A
Permit #:
97060968
Status:
complete
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Lpg/h20/gas heater/re-roof/repair decking/railing
Valuation:
N/A
Permit #:
97062031
Status:
complete
Fee:
$249
Permit Type:
N/A
Building Type:
N/A
Gas stove/gas piping/framing/tile work
Valuation:
$0
Permit #:
99067230
Status:
Closed
Fee:
$70
Permit Type:
N/A
Building Type:
N/A
Residence addition/kitchen/laundry room
Valuation:
N/A
Permit #:
97061334
Status:
complete
Fee:
$535
Permit Type:
N/A
Building Type:
N/A
Addition to living room re-roof residence
Valuation:
$0
Permit #:
98063738
Status:
Closed
Fee:
$444
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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BZ Score
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Avg Project
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Projects
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BZ Score
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Projects
JAMES L KOSKINEN Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
JAMES L KOSKINEN License info
Verified License
| License # | 348200 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for JAMES L KOSKINEN at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
24
Permits
- Building permit records show that JAMES L KOSKINEN has worked on 24 permitted projects.
JAMES L KOSKINEN Employees
JK
James Lee Koskinen
Owner