Updated: Apr 13, 2026
Location and Projects
Address
900 E HAMILTON AVE STE 100, Campbell, CA, 95008
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Tashcon Construction
With experience spanning over 17 years, Tashcon Corp serves Campbell, CA and the surrounding Bay Area, focusing on new construction for commercial projects. The company’s portfolio includes retail spaces, restaurants, offices, structured parking, mixed-use developments, public-private partnership projects, mid-rise buildings, and auto dealerships. Tashcon Corp supports clients through all phases of construction, offering preconstruction planning services that address value engineering, entitlement issues, sustainability, and phasing for both new builds and existing facilities. The team is equipped to work with a client’s chosen architectural and structural partners or assist in assembling a project team. Tashcon Corp specializes in identifying cost-effective alternatives and streamlining construction processes to help clients meet their project goals.
Tashcon Corp Services
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Tashcon Corp Contact Information
Phone Number: (408) 688-6339
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Address: 900 E HAMILTON AVE STE 100, Campbell, CA 95008
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Tashcon Corp Campbell
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tashcon Corp has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
4 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Tashcon Corp has worked on at least
14.0 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
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Tashcon Corp mostly works on
commercial renovation
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $105,727. 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.
For existing tenant's facility tenant improvement on 1st floor with calcs area of work 17 377 sq ft scope of work: 1) demolish and addition partition walls to create new labs storage shop and clean rooms ** 8/12/24 revision delta # 2 to addition equipment to partial floor layout and added euipment anchorage schedule (hm) ** 11/27/24 revision delta #3 name of room 126 changed from clea... see more
Valuation:
$1,998,000
Permit #:
2024 076061 CI
Status:
final
Fee:
$19,262
Permit Type:
Manufacturing
Building Type:
N/A
Interior scope includes new finishes furniture and partitions in the showroom and shop; 9302 sf. showroom materials will include carpet metal stud and mesh partitions gyp ceilings interior storefront. mep scope will include new lighting systems to coordinate with new ceilings. the exterior scope includes removing existing-colored panels & replace with darker panels site work consists ... see more
Valuation:
$650,000
Permit #:
BLD23-68947
Status:
plancheck
Fee:
$28,516
Permit Type:
N/A
Building Type:
N/A
Ste 435: basement office tenant improvement. w new connecting stair to e) ground fl office. total improvement of
Valuation:
$400,000
Permit #:
202507150851
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Crn2018-01122: fire damage repair of (e) service center building including 5 service bays new roof structure install (n) roll-up doors upgrade (e) toilet to be ada compliant. include associated m-e-p work
Valuation:
$400,000
Permit #:
BLD2018-51510
Status:
final
Fee:
$9,200
Permit Type:
N/A
Building Type:
N/A
Accessibility barrier removal and consists of following:demo/removal of (e) stair handrall & primary entrance door; install accessible wheelchair lift supporing structural floor framing & primary entrance door w auto opener;accessible stair/hand (n) wood flooring & paint touch-up in area of work
Valuation:
$30,000
Permit #:
202206226828
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Suite # 1233 -at basement parking level to build-out of 980 sq for handover of electric vehicles with calcs ** issue certificate of occupancy ** scope of work: 1) addition new partitions finish ceiling and flooring within a fully-demised fire-rated basement/mall garage space 2) install roll up door interior finishes fixtures and associated mep ** 4/1/21 revision delta # 2 on building... see more
Valuation:
$177,866
Permit #:
2021 010527 CI
Status:
issued
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
To install new turnstiles no calcs scope of work: 1) install new esd turnstiles and gates with associated posts and rails and wire mesh doors and partition
Valuation:
$54,500
Permit #:
2024 102316 CI
Status:
issued
Fee:
$6,633
Permit Type:
Office
Building Type:
N/A
1st floor manufacturing facility tenant improvement of 4, 251 sq ft scope of work: 1) prefabricated doors and partitions 2) seismic anchorage of equipment 3) building 256 sq ft concrete block equipment enclosure outside ** revisions anchorage of new equipment shaft detail to non-rated shaft (hm)
Valuation:
$325,000
Permit #:
2019 113236 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Construct a prefabricated steel canopy in the rear of the existing site. project areas is 768 square feet
Valuation:
$84,000
Permit #:
BLD2024-06680
Status:
complete
Fee:
$5,798
Permit Type:
Patio cover/enclo...
Building Type:
N/A
Exterior facade improvements
Valuation:
$600,000
Permit #:
BCALT-23-0038
Status:
final
Fee:
$22,042
Permit Type:
Siding stucco
Building Type:
N/A
Connecting stairs prefabricated connects 2 levels of existing office. ref pa #202507150851
Valuation:
$1
Permit #:
202509094900
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Limit of work at 3rd floor boiler room only. enlarge extg boiler room at 3rd floor (lower roof area) to maintain approx 6'-6 clear interior depth extg width to remain no change. replace extg boilers and storage tank with new
Valuation:
$8,000
Permit #:
201812289299
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Northwest facade remodel of marina faire
Valuation:
$800,545
Permit #:
B20-1841
Status:
issued
Fee:
$24,480
Permit Type:
N/A
Building Type:
N/A
Design and installation of work in accordance with nfpa #13 for a complete new consturction wet automatic fire sprinkler system. (75 heads ~13 with calculations)
Valuation:
N/A
Permit #:
FIR2019-00061
Status:
final
Fee:
$2,390
Permit Type:
N/A
Building Type:
N/A
Rev 1 delta 3 -- update walk-in cooler plan - ada ramp conditions updated
Valuation:
N/A
Permit #:
BCALT-24-0169
Status:
complete
Fee:
$300
Permit Type:
Revision
Building Type:
N/A
Revision to pa# 202206226828 changes to structural details no longer needed for lift installation
Valuation:
$1
Permit #:
202312011780
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Modification of parking lot
Valuation:
$300,000
Permit #:
B20-0909
Status:
expired
Fee:
$12,416
Permit Type:
N/A
Building Type:
N/A
Tenant improvement
Valuation:
$2,047,584
Permit #:
00811162-SBPT
Status:
final
Fee:
$7,130
Permit Type:
N/A
Building Type:
N/A
New opening at (e) structural bearing wall for new door between (e) lab spaces. new grade beam to reinforce foundation at opening. maher n/a
Valuation:
$20,000
Permit #:
201807305915
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
67 - clinics-medi...
Install new emergency back up generator on unoccupied roof
Valuation:
$15,000
Permit #:
202106011337
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
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Tashcon Corp Reviews
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Tashcon Corp License info
Verified License
| License # | 586049 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Tashcon Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 67998 |
| Status | Active |
| State | Tennessee |
| Type | Contractors |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2016. Check the current license status of Tashcon Corp with the Tennessee Department of Commerce and Insurance
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 74040 |
| Status | Active |
| State | Nevada |
| Type | B2 - Residential And Small Commercial |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of October, 2015. Check the current license status of Tashcon Corp with the Nevada State Contractors Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CGC1523730 |
| Status | Inactive |
| State | Florida |
| Type | Certified General Contractor |
| Business Type | Corporation |
- According to the Florida Department of Business & Professional Regulation, 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 Tashcon Corp at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 259773 |
| Status | Inactive |
| State | Arizona |
| Type | General Commercial |
| Business Type | Corporation |
- According to the Arizona Registrar of Contractors, 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 Tashcon Corp at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0074040 |
| Status | Inactive |
| State | Nevada |
| Type | B 2 Residential And Small Commercial |
| Business Type | Corporation |
- According to the Nevada State Contractors 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 Tashcon Corp at the Nevada State Contractors Board.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
64
Permits
- Building permit records show that Tashcon Corp has worked on 64 permitted projects.
Tashcon Corp Employees
HM
Harold Joseph Mahon
Sole Owner
HM
Harold Mahon
Owner
MH
Mahon, Harold
MJ
Mahon, Harold Joseph
President Qualified Individual