Updated: Mar 27, 2026
Location and Projects
Address
399 Business Park Ct, Windsor, CA, 95492
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Roof Doctors Sonoma County
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From BuildZoom: Roof Doctors Sonoma County, 399 Business Park Ct, Windsor, CA (Employees: David Joseph Zmrzel and Ingrid Carol Zmrzel) holds a Plumbing, General Building, Fire Protection 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 Roof Doctors Sonoma County, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Roof Doctors Sonoma County Contact Information
Phone Number: (707) 583-9778
Address: 399 Business Park Ct, Windsor, CA 95492
Roof Doctors Sonoma County Windsor
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Roof Doctors Sonoma County has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
Our building permit records indicate that Roof Doctors Sonoma County has worked on at least
1.0 project over the past 2 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
|
$5k-$20k |
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.
Building Permits by Roof Doctors Sonoma County
This is a sample of this contractor's permits. Click here to access their complete permit history.
Installation and venting of city series cb60e gas fireplace
Valuation:
$9,600
Permit #:
B24-0238
Status:
final
Fee:
$358
Permit Type:
Single family dwe...
Building Type:
N/A
Remove & replace gas lines for heaters
Valuation:
N/A
Permit #:
PP20191120370
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Two hour consult/sprinkler hydro/permit from 1999 - check for final - 3540 heimbucher way - nor-cal construction - will need hydro--2 more hours inspector time added to this consult
Valuation:
$0
Permit #:
F13-0628
Status:
FINALED
Fee:
$504
Permit Type:
N/A
Building Type:
N/A
Replacement single family dwelling - 2 story - 1512 sq ft....with fire sprinklers...12/13/12 temp electrical
Valuation:
N/A
Permit #:
BLD12-2858
Status:
final
Fee:
$8,981
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 2455 avignon circle montage ii (master already reviewed)
Valuation:
$0
Permit #:
F15-0199
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 2451 avignon circle montage ii (master already reviewed)
Valuation:
$0
Permit #:
F15-0198
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 2437 avignon circle montage ii (master already reviewed)
Valuation:
$0
Permit #:
F15-0197
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 2433 avignon circle montage ii (master already reviewed)
Valuation:
$0
Permit #:
F15-0196
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 2429 avignon circle montage ii (master already reviewed)
Valuation:
$0
Permit #:
F15-0195
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 2425 avignon circle montage ii (master already reviewed)
Valuation:
$0
Permit #:
F15-0194
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 2110 northfield drive new master - meadow park ii
Valuation:
$0
Permit #:
F14-0521
Status:
APPLIED
Fee:
$467
Permit Type:
N/A
Building Type:
N/A
Single family dwelling 4758 sqft addition to include unconditiioned wine storage and mechanical/storage room..with fire sprinklers
Valuation:
N/A
Permit #:
BLD14-1943
Status:
final
Fee:
$17,376
Permit Type:
N/A
Building Type:
N/A
New 2nd unit w/garage & porch...11-17-11 applied for temp occ
Valuation:
N/A
Permit #:
BLD09-3923
Status:
final
Fee:
$12,202
Permit Type:
N/A
Building Type:
N/A
Install new water heater and pan
Valuation:
$4,300
Permit #:
B15-0240
Status:
final
Fee:
$73
Permit Type:
Water heater
Building Type:
N/A
Sprinkler install - 1935 bay meadow dr - meadow park ii
Valuation:
$0
Permit #:
F14-0529
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 1939 bay meadow drive meadow park ii
Valuation:
$0
Permit #:
F14-0505
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 1951 bay meadow dr - meadow park ii
Valuation:
$0
Permit #:
F14-0530
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 1955 bay meadow drive meadow park ii
Valuation:
$0
Permit #:
F14-0506
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 1961 bay meadow dr - meadow park ii
Valuation:
$0
Permit #:
F14-0531
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Sprinkler install - 2015 bay meadow dr - meadow park ii
Valuation:
$0
Permit #:
F14-0532
Status:
APPLIED
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Recent Buildzoom Projects
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Verified License
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Roof Doctors Sonoma County License info
Verified License
| License # | 748975 |
| Status | Active |
| State | California |
| Type | Plumbing, General Building, Fire Protection |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Roof Doctors Sonoma County 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 | Department Of Industrial Relations |
86
Permits
- Building permit records show that Roof Doctors Sonoma County has worked on 86 permitted projects.
Roof Doctors Sonoma County Employees
DZ
David Joseph Zmrzel
Rmo / Ceo / Pres
IZ
Ingrid Carol Zmrzel
Officer
Inspector was on roof less than two minutes. Recommend the whole roof be replaced.
He completely missed the section that was redone last year. Our potential buyer pulled their offer because of this company’s laziness.