Updated: May 02, 2026
Location and Projects
Address
12885 ALCOSTA SUITE A, San Ramon, CA, 94583
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ST. Thomas Construction
ST. Thomas Construction, 12885 Alcosta, San Ramon, CA (Employee: Thomas Augustine Baldacci) holds a General Building license according to the California license board.
Their BuildZoom score of 84 does not rank in the top 50% of California contractors.
Their license was verified as active when we last checked. If you are thinking of hiring ST. Thomas Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
ST. Thomas Construction Services
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ST. Thomas Construction Contact Information
Phone Number: (925) 328-1000
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Address: 12885 ALCOSTA SUITE A, San Ramon, CA 94583
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Building Permits by ST. Thomas Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Sprinkler plans/calcs for 8 tract homes. there are 4 floor plans all are included in the plan set: plan 1 plan 2 plan 2x and plan 3. building permits have already been issued for the 8 houses
Valuation:
$48,000
Permit #:
FSP2022-00268
Status:
issued
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
260 s main: site improvement for 25 new townhomes
Valuation:
$1,064,573
Permit #:
B-SI17-0001
Status:
final
Fee:
$119,661
Permit Type:
Csi-site improv
Building Type:
N/A
Spec space: tenant improvement to create 3 office spaces(213
Valuation:
$50,000
Permit #:
B-BP21-0064
Status:
final
Fee:
$8,636
Permit Type:
Tenant improvement
Building Type:
N/A
260 s main: building-4 type 300 - addition bearing wall and chang
Valuation:
N/A
Permit #:
B-RV20-0047
Status:
final
Fee:
$224
Permit Type:
Revision
Building Type:
N/A
260 s main: site improvement for 25 new townhomes
Valuation:
N/A
Permit #:
B-BP18-0013
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
260 s main: site improvement for 25 new townhomes
Valuation:
N/A
Permit #:
B-PL18-0019
Status:
final
Fee:
$628
Permit Type:
Cpl-plumbing
Building Type:
N/A
260 s main: site improvement for 25 new townhomes
Valuation:
N/A
Permit #:
B-EL18-0020
Status:
final
Fee:
$1,325
Permit Type:
Cel-electrical
Building Type:
N/A
260 s main st: plot plan for building-2 type 100- 5 unit tow
Valuation:
N/A
Permit #:
B-BP18-0402
Status:
final
Fee:
$121,881
Permit Type:
Cnb-htl/mtl/multi
Building Type:
N/A
260 s main st: building-4- installation of 82.5 kw roof moun
Valuation:
N/A
Permit #:
B-SO18-0133
Status:
final
Fee:
N/A
Permit Type:
Cso-solar w/o struc
Building Type:
N/A
260 s main st: building-3- installation of 82.5 kw roof moun
Valuation:
N/A
Permit #:
B-SO18-0132
Status:
final
Fee:
N/A
Permit Type:
Cso-solar w/o struc
Building Type:
N/A
260 s main st: building-2- installation of 82.5 kw roof moun
Valuation:
N/A
Permit #:
B-SO18-0131
Status:
final
Fee:
N/A
Permit Type:
Cso-solar w/o struc
Building Type:
N/A
260 s main st: building-1- installation of 82.5 kw roof mou
Valuation:
N/A
Permit #:
B-SO18-0097
Status:
final
Fee:
$3,018
Permit Type:
Cso-solar w/o struc
Building Type:
N/A
Liu residence: voluntary foundation upgrade using steel pipe
Valuation:
N/A
Permit #:
B-BP18-0012
Status:
final
Fee:
$527
Permit Type:
Rmc-misc struc/other
Building Type:
N/A
Construction of block retaining wall at sides of bio-basin
Valuation:
$10,000
Permit #:
BLD2021-06711
Status:
issued
Fee:
$475
Permit Type:
Out of scope
Building Type:
N/A
260 s main st: building #4 type 300- 5-plex (lot # 25 plan
Valuation:
N/A
Permit #:
B-MU18-0380
Status:
final
Fee:
$1,312
Permit Type:
Cmu-multi units
Building Type:
N/A
260 s main st: building #4 type 300- 5-plex (lot # 24 plan
Valuation:
N/A
Permit #:
B-MU18-0379
Status:
final
Fee:
$1,317
Permit Type:
Cmu-multi units
Building Type:
N/A
260 s main st: building #4 type 300- 5-plex (lot # 23 plan
Valuation:
N/A
Permit #:
B-MU18-0378
Status:
final
Fee:
$1,305
Permit Type:
Cmu-multi units
Building Type:
N/A
260 s main st: building #4 type 300- 5-plex (lot # 22 plan
Valuation:
N/A
Permit #:
B-MU18-0377
Status:
final
Fee:
$1,317
Permit Type:
Cmu-multi units
Building Type:
N/A
260 s main st: building #4 type 300- 5-plex (lot # 21 plan
Valuation:
N/A
Permit #:
B-MU18-0376
Status:
final
Fee:
$1,312
Permit Type:
Cmu-multi units
Building Type:
N/A
260 s main st: building #2 type 100- 5-plex (lot# 9 plan 1
Valuation:
N/A
Permit #:
B-MU18-0364
Status:
final
Fee:
$1,348
Permit Type:
Cmu-multi units
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
ST. Thomas Construction License info
Verified License
| License # | 749146 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for ST. Thomas Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
84
BuildZoom Score
Bonded
| Bonded Agent | Travelers Casualty & Surety Company Of America |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Republic Indemnity Company Of America |
661
Permits
- Building permit records show that ST. Thomas Construction has worked on 661 permitted projects.
ST. Thomas Construction Employees
TB
Thomas Augustine Baldacci
Rmo / Ceo / Pres