Updated: Apr 16, 2026
Location and Projects
Address
1340 WATSON AVENUE, Costa Mesa, CA, 92626
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Jason Welch Construction
Jason Welch, 1340 Watson Ave, Costa Mesa, CA (Owned by: Jason Malcolm Welch) holds a General Building license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jason Welch, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jason Welch Services
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Jason Welch Contact Information
Phone Number: (949) 230-7945
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Address: 1340 WATSON AVENUE, Costa Mesa, CA 92626
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Jason Welch Costa Mesa
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jason Welch has a BuildZoom score of 94, which places them above 76% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Jason Welch has worked on at least
4.0 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
|
$20k-$50k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
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.
39 sf kitchen addition and remodel of existing family and dining room. install new bifold doors at family room. demolish (e) bathroom for expansion of kitchen. install (2) skylights in kitchen. fixtures include: (1) fau (1) air conditioning unit (1) kit hood w/exhaust (9) lights
Valuation:
$220,000
Permit #:
BC22-00686
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family residence addition 244 sf. remodel (e) 2560 sf
Valuation:
$325,000
Permit #:
X2021-0523
Status:
final
Fee:
$7,822
Permit Type:
N/A
Building Type:
N/A
Single family residence addition 521 sf and remodel 455 sf. relocate entry foyer
Valuation:
$225,000
Permit #:
XR2024-0071
Status:
final
Fee:
$9,690
Permit Type:
N/A
Building Type:
N/A
New single family residence on existing slab 3327 sf & attached garage 525 sf
Valuation:
$641,000
Permit #:
XR2022-3364
Status:
canceled
Fee:
$17,911
Permit Type:
N/A
Building Type:
N/A
Single family residence addition 9 sf @ kitchen and remodel 2000 sf replace window & doors w bi-fold doors
Valuation:
$160,000
Permit #:
X2021-3211
Status:
final
Fee:
$4,235
Permit Type:
N/A
Building Type:
N/A
Demolish single family residence and attached garage down to foundation 1625 sf - 3 bedrooms (no sewer cap)
Valuation:
$40,000
Permit #:
XR2023-1667
Status:
canceled
Fee:
$2,129
Permit Type:
N/A
Building Type:
N/A
Single family residence addition 737 sf remodel 353 sf
Valuation:
$164,500
Permit #:
X2020-1391
Status:
final
Fee:
$9,627
Permit Type:
N/A
Building Type:
N/A
Single family residence addition 521 sf and remodel 455 sf. relocate entry foyer
Valuation:
N/A
Permit #:
PC2024-0058
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove improperly constructed porch building new 25x7 porch relocate incoming water line into garage
Valuation:
$70,000
Permit #:
COMBR-2019-00345
Status:
final
Fee:
$3,616
Permit Type:
N/A
Building Type:
N/A
Single family residence - addition 155 sf and remodel replace all windows & doors reroof
Valuation:
$60,000
Permit #:
X2013-0565
Status:
final
Fee:
$1,735
Permit Type:
N/A
Building Type:
N/A
Single family residence - re-roof 27 sq. tear off comparable use (e) sheathing install comparable. r/r stucco with siding (3/8 plywood w 6-6-12 nailing)
Valuation:
$40,000
Permit #:
X2020-2633
Status:
final
Fee:
$418
Permit Type:
N/A
Building Type:
N/A
Single family residence remodel kitchen and bathroom no struc changes cty standard (300 sf) pex repipe replace main drain
Valuation:
$30,000
Permit #:
X2020-1272
Status:
final
Fee:
$1,133
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvements for rancho physical therapy to include walls ceiling electrical hvac 4053 sq ft
Valuation:
N/A
Permit #:
PMT18-00234
Status:
final
Fee:
$6,130
Permit Type:
N/A
Building Type:
N/A
Instl (n) door & wndw @ side of garage****provide plywood on inside of garage & instl new hdr per 2007 type v handout****inclds elec.****must comply to 2007 t24 res.lighting requirements**** entered by: chuorp
Valuation:
N/A
Permit #:
C2008-006184
Status:
final
Fee:
$174
Permit Type:
N/A
Building Type:
N/A
Divide existing 4, 980 sq ft suite into 2 suites lens crafters (ste 350) 3, 000 sq ft and dog house (ste 360)1, 980 sq ft
Valuation:
N/A
Permit #:
PMT15-02935
Status:
final
Fee:
$3,000
Permit Type:
N/A
Building Type:
N/A
Tenant improvement for future business 4, 053 sf revisions approved 10/5/16
Valuation:
N/A
Permit #:
PMT16-00954
Status:
final
Fee:
$3,556
Permit Type:
N/A
Building Type:
N/A
Tear off roof repl w/eagle capistrano tile esr 1900 building 44(phase 3)
Valuation:
$13,000
Permit #:
B2017-0395
Status:
expired
Fee:
$406
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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BZ Score
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Projects
Jason Welch Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Jason Welch License info
Verified License
| License # | 904363 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Jason Welch at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
13
Permits
- Building permit records show that Jason Welch has worked on 13 permitted projects.
Jason Welch Employees
JW
Jason Malcolm Welch
Owner