Updated: May 23, 2026
Location and Projects
Address
2458 PORTOLA AVE, Livermore, CA, 94551
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TENANT IMPROVEMENT CONSTRUCTION INC
TENANT IMPROVEMENT CONSTRUCTION INC, 2458 Portola Ave, Livermore, CA (Employees: Alan Edward Anzelc, Diana Henry Solomon, and Donald Lee Daley) holds a General Building license and 6 other licenses 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 TENANT IMPROVEMENT CONSTRUCTION INC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
TENANT IMPROVEMENT CONSTRUCTION INC Services
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TENANT IMPROVEMENT CONSTRUCTION INC Contact Information
Phone Number: (310) 926-6991
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Address: 2458 PORTOLA AVE, Livermore, CA 94551
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Building Permits by TENANT IMPROVEMENT CONSTRUCTION INC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Copper core auto repair-install auto lift 3 220 amp outlets
Valuation:
$1,500
Permit #:
B21-1535
Status:
final
Fee:
$882
Permit Type:
N/A
Building Type:
N/A
744 sq ft office and 5256 sq ft warehouse space in spec shell 1) addition of two accessibility bathrooms 2) addition of two offices and one janitor room 3) addition of a new roof top unit 4) new lighting in warehouse bathrooms and office space 5) addition t-bar at new office space 6) plumbing for new restrooms 7) mechanical distribution alteration
Valuation:
$89,693
Permit #:
2010 024685 CI
Status:
final
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
744 sq ft office and 5256 sq ft warehouse space in spec shell 1) addition of two accessibility bathrooms 2) addition of two offices and one janitor room 3) addition of a new roof top unit 4) new lighting in warehouse bathrooms and office space 5) addition t-bar at new office space 6) plumbing for new restrooms 7) mechanical distribution alterations
Valuation:
$89,693
Permit #:
2010 024349 CI
Status:
complete
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
This project includes the following work:- minor demolish upgrade the h/c parking lot new ceiling among the six existing restrooms four of them are upgraded to comply also new 10 ft ht walls and new doors.the tenant space is divided into production shipping, office of area 4311 6230 and 5509 sq ft respectively
Valuation:
$178,810
Permit #:
2002 036975 CI
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
3118 sq. ft. fin. int. to include two new ada compliant restrooms install two roof top air conditioning units where the locations are approved by the city for the new building permit. also building interior partitions to create smaller offices acoustic ceiling carpeting painting for tenant rex max. also a demising wall is to be installed in this permit
Valuation:
$159,166
Permit #:
2006 036148 CI
Status:
issued
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
This is an intand extension alter. to a 1863 sq. ft. vacant space. the work includes the removal of one office convert the exist. extension. single door to a double doors. also two new h/c restrooms are added. the area of work is 468 sq. ft. this suite # 10 is a speculative space. the planning approval # is ad04-122
Valuation:
$47,313
Permit #:
2004 103642 CI
Status:
complete
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
This is an int alter to an existing 2970 sq. ft. vacant retail space. the existing adjacent piano store ( suite # 25 ) will move into this suite # 20. the existing exterior single door will be converted back to a double door as before. an approx 16 lin. ft. demising wiill be built between the suite # 20 and 25 due to some removal of old wall. two new offices are added. also a full le... see more
Valuation:
$39,096
Permit #:
2004 103640 CI
Status:
complete
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
This is an int alter to an existing 2970 sq. ft. vacant retail space. the existing adjacent piano store ( suite # 25 ) will move into this suite # 20. the existing exterior single door will be converted back to a double door as before. an approx 16 lin. ft. demising wiill be built between the suite # 20 and 25 due to some removal of old wall. two new offices are added. also a full le... see more
Valuation:
$39,096
Permit #:
2004 104226 CI
Status:
final
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
Tenant improvement to divide a vacant retail store into two speculative spaces of 3475 sq. ft. and 2025 sq. ft. with the address 1337 and 1335 blossom hill road respectively. a new demising wall is to be built. then a new rear door to be provided and a new restroom is added in this space 1335 blossom hill rd. no work to be done in vacant suite (1337 blossom hill). electrical to includ... see more
Valuation:
$41,705
Permit #:
2003 126297 CI
Status:
final
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
This is a speculative space of total 3500 sq. ft. with only 1400 sq. ft of area of work.re-arranging the floor layout by removing and building new walls removing an existing bathroom. upgading the existing public restrooms to be ada compliance also reverse the swing of door of the existing tenant space unisex room
Valuation:
$43,680
Permit #:
2002 042307 CI
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1, 863 sf. tenant improvement to vacant speculative space for new retail store. scope of work consists of converting a single storefront entry door to a new double storefront entry doors installing a new side entry door with ramp and building partitions for new h/c restroom. scope also includes all related electrical (new recepticles & relocated lighting) plumbing (new restroom) and m... see more
Valuation:
$34,850
Permit #:
2004 129567 CI
Status:
final
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
Tenant improvement for new shell building constructed in 2006. scope to include; construct interior tenant improvements for offices conference room open offices reception ada compliance restrooms and computer research laboratory. including plumbing mechanical and electrical and all work per stamped approved plans
Valuation:
$116,603
Permit #:
2010 007982 CI
Status:
final
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
Restore orginal demising wall. between suite b & suite c. suite c is unoccupied space. no other work to be done in suite c. suite b will be occupied as office/distribution center of light fixtures. needs occupancy and meter release. scope also includes addition office area new suspended ceiling (150 sq ft) modified lighting and receptacles and switches as needed per current code. rest... see more
Valuation:
$13,239
Permit #:
2010 018255 CI
Status:
final
Fee:
N/A
Permit Type:
Warehouse/storage
Building Type:
N/A
This tenant improvement project includes the following work:- minor demolish upgrade the h/c parking lot new ceiling among the six existing restrooms four of them are upgraded to comply also new 10 ft ht walls and new doors.the tenant space is divided into production shipping, office of area 4311 6230 and 5509 sq ft respectively
Valuation:
$0
Permit #:
2002 038490 CI
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
3118 sq. ft. fin. int. to include two new ada compliant restrooms install two roof top air conditioning units where the locations are approved by the city for the new building permit. also building interior partitions to create smaller offices acoustic ceiling carpeting painting for tenant rex max. also a demising wall is to be installed in this permit
Valuation:
$159,166
Permit #:
2006 036885 CI
Status:
final
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
Replace 13 windows in total (2 are egress) like for like u factor shall not exceed 0.32 and shgc shall not exceed 0.25
Valuation:
$2,500
Permit #:
1602020004
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New daycare facility with three private offices one lounge upgrade ada restrooms three new classrooms minor site alterations new driveway new trash enclosure new playard and new fencing
Valuation:
$496,087
Permit #:
2007 042959 CI
Status:
complete
Fee:
N/A
Permit Type:
School/daycare
Building Type:
N/A
New daycare facility with three private offices one lounge upgrade ada restrooms three new classrooms minor site alterations new driveway new trash enclosure new playard and new fencing
Valuation:
$496,087
Permit #:
2008 009904 CI
Status:
final
Fee:
N/A
Permit Type:
School/daycare
Building Type:
N/A
C/o (6) windows (3) sliding doors (1) front door. remodel (e) powder room bathroom and kitchen - no structural alteration
Valuation:
$30,000
Permit #:
1510070006
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
C/o (6) windows (3) sliding doors (1) front door. remodel (e) powder room bathroom and kitchen - no structural alteration
Valuation:
$30,000
Permit #:
1510070006
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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TENANT IMPROVEMENT CONSTRUCTION INC License info
Verified License
| License # | 862161 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for TENANT IMPROVEMENT CONSTRUCTION INC 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 # | 745381 |
| Status | Active |
| City | Redwood City |
- When BuildZoom last verified this license, it had an expiration date of January, 2014. Check the current license status of TENANT IMPROVEMENT CONSTRUCTION INC with the The City of Redwood City, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 745381 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 TENANT IMPROVEMENT CONSTRUCTION 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 # | 886086 |
| Status | Inactive |
| State | California |
| Type | Drywall |
- 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 TENANT IMPROVEMENT CONSTRUCTION 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 # | 723796 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
- 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 TENANT IMPROVEMENT CONSTRUCTION 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 # | 455018 |
| Status | Inactive |
| State | California |
| Type | General Building, Drywall |
- 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 TENANT IMPROVEMENT CONSTRUCTION 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 # | 493429 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 TENANT IMPROVEMENT CONSTRUCTION INC 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
335
Permits
- Building permit records show that TENANT IMPROVEMENT CONSTRUCTION INC has worked on 335 permitted projects.
TENANT IMPROVEMENT CONSTRUCTION INC Employees
AA
Alan Edward Anzelc
Rmo / Ceo / Pres
DS
Diana Henry Solomon
Officer
DD
Donald Lee Daley
Officer
JS
James Edward Solomon
Rmo / Ceo / Pres
MB
Martin James Bettis
Rmo
RM
Raiza Irene Marciscano
Ceo / President
SB
Samuel Peter Burkhouse
Rmo / Ceo / Pres
TI
Thomas Salinas Iii
Sole Owner
TI
Thomas Salinas Iii
Sole Owner