Updated: May 20, 2026
Location and Projects
Address
12 CARDINAL WAY, Santa Rosa, CA, 95409
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Cynosure Building Services/cbs Electric
Cynosure Building Services/cbs Electric, 12 Cardinal Way, Santa Rosa, CA (Employee: Daniel Robert Sereni) holds a General Building, Electrical license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cynosure Building Services/cbs Electric, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cynosure Building Services/cbs Electric Contact Information
Phone Number: (707) 583-1125
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Address: 12 CARDINAL WAY, Santa Rosa, CA 95409
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Building Permits by Cynosure Building Services/cbs Electric
This is a sample of this contractor's permits. Click here to access their complete permit history.
Backup generator; 600 a m p u; transfer switch; abandon 4 meter mains; 1000 gal undrgrnd fuel tank m c f d
Valuation:
$185,000
Permit #:
171902
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
38kw 120/240v 1phase generator install (residence) 37 ridgecrest kentfield · installation of 38kw 120/240v 3w 1-phase backup power generator · installation of a 200a automatic transfer switch (ats) · install req'd bonding/grounding at meter main and ats (as required) · gen pwr & commercial conduits bored under driveway between generator & ats · install & pull appropriate sized power a... see more
Valuation:
$22,500
Permit #:
B27038
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
For sfd- remove existing 30kw generator at house and re-install at water well pump location (same property). install new 500 gallon underground lp tank and connect to relocated 30kw generator 2. install new 48kw generator and install additional 200a auto transfer switch at existing gen location where other removed approx. 75ft trenching at relocated water well location and approx. 50f... see more
Valuation:
N/A
Permit #:
BLD20-8737
Status:
final
Fee:
$445
Permit Type:
N/A
Building Type:
N/A
Install new 200a sub-panel at (e) adu (pick up existing 50a adu load) to be fed from new 320a meter main (see permit no. bld21-7806)
Valuation:
N/A
Permit #:
BLD21-7807
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Sfd- install 30kw backup generator with ats- fueled by (n) 500 gallon lp fuel tank -on concrete slab 25 ft of trenching
Valuation:
N/A
Permit #:
BLD21-9438
Status:
final
Fee:
$294
Permit Type:
N/A
Building Type:
N/A
New 20kw backup generator and 200 amp 120/240v 1 phase automatic transfer switch - to be fueled by (e) 500 gallon propane fuel tank - 25 ft of trenching
Valuation:
N/A
Permit #:
BLD21-5955
Status:
final
Fee:
$294
Permit Type:
N/A
Building Type:
N/A
Installation of new 38 kw generator with 60 lf gas line new electrical the installation of this equipment shall meet all requirements of the city of santa rosa noise ordinance. any private association board or committee approvals are the responsibility of the homeowner to obtain
Valuation:
$14,500
Permit #:
B19-6388
Status:
expired
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
2020 glass fire pride mountain winery - standby generator project-2 install new 200a auto transfer switch and 60kw diesel generator
Valuation:
N/A
Permit #:
BLD21-0911
Status:
final
Fee:
$320
Permit Type:
N/A
Building Type:
N/A
Replace (e) 100a meter main with 320a continuous new backboard pge approved
Valuation:
N/A
Permit #:
BLD21-7806
Status:
final
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
New 60kw backup generator & two new 200a ats & new 500 gallon lp tank on concrete slab
Valuation:
N/A
Permit #:
BLD21-0090
Status:
final
Fee:
$483
Permit Type:
N/A
Building Type:
N/A
60kw genset installation with 400a transfer switch
Valuation:
N/A
Permit #:
B2208-114
Status:
final
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
2017 complex fire - 30 kw back-up generator & (1) automatic transfer switches 75 ft of trenching - evt17-01648
Valuation:
N/A
Permit #:
BLD20-4467
Status:
final
Fee:
$326
Permit Type:
N/A
Building Type:
N/A
Install 20 kw standby generator install transfer switch inside garage with overhead wiring through house - and trenching to propane and generator
Valuation:
N/A
Permit #:
BLD19-6755
Status:
issued
Fee:
$294
Permit Type:
N/A
Building Type:
N/A
Humane society of sonoma county 200kw emergency backup generator and auto transfer switch
Valuation:
N/A
Permit #:
BLD20-5500
Status:
final
Fee:
$567
Permit Type:
N/A
Building Type:
N/A
For sfd- install back-up generator w ats
Valuation:
N/A
Permit #:
BLD21-0912
Status:
final
Fee:
$363
Permit Type:
N/A
Building Type:
N/A
200 amp generator w/transfer switch 150 trench to ex. propane tank
Valuation:
N/A
Permit #:
BLD20-0543
Status:
final
Fee:
$346
Permit Type:
N/A
Building Type:
N/A
Install backup generator 20 kw - and connect with ( e) 250 gallon propane tank - trenching to electric service panel at west end of house
Valuation:
N/A
Permit #:
BLD18-6175
Status:
final
Fee:
$162
Permit Type:
N/A
Building Type:
N/A
Backup generator (100 kw) and automatic transfer switch (400 amp). trench and backfill feeder (300 amp) to ats. pour new concrete slab at generator. propane connection to new lp tank (550 gallon) on new concrete slab
Valuation:
$31,540
Permit #:
BC21-01145-AES
Status:
final
Fee:
$1,431
Permit Type:
N/A
Building Type:
N/A
Back-up generator (60 kw) and 400 amp automatic transfer switch. trench & backfill 180 amp feeder to ats. poured concrete pad for generator. lp fuel line connected to existing lp tank
Valuation:
$24,875
Permit #:
BC21-01036-AES
Status:
final
Fee:
$862
Permit Type:
N/A
Building Type:
N/A
Code violation: installation of new stand-by generator pad & transfer switch. connect solar inverter to transfer switch
Valuation:
$16,000
Permit #:
BR21-02332-AES
Status:
expired
Fee:
$2,797
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Cynosure Building Services/cbs Electric License info
Verified License
| License # | 428004 |
| Status | Active |
| State | California |
| Type | General Building, Electrical |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cynosure Building Services/cbs Electric at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
76
Permits
- Building permit records show that Cynosure Building Services/cbs Electric has worked on 76 permitted projects.
Cynosure Building Services/cbs Electric Employees
DS
Daniel Robert Sereni
Sole Owner