Updated: Apr 30, 2026
Location and Projects
Address
1137 CARDIFF CIRCLE, Thousand Oaks, CA, 91362
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D M S Environmental Contractors Construction
Serving Thousand Oaks and the surrounding areas, D M S Environmental Contractors draws on more than 35 years of industry experience led by founder Dan Spiegel. Originally established as DMS Contractors before Dan Spiegel launched Danbuilt Inc, the company has provided residential and commercial construction services throughout its 13 years in business. The team manages all phases of the construction process, working closely with homeowners, business owners, architects, and subcontractors to deliver projects with a high standard of service. D M S Environmental Contractors emphasizes comprehensive communication and transparency, offering clients unique, secure online project blogs with regular photo and progress updates. Project types handled by the company span both residential and commercial builds, with services also including consulting and online room plans. Many subcontractors and staff have worked with the company for years, supporting experienced project coordination for clients across Ventura County.
D M S Environmental Contractors Services
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D M S Environmental Contractors Contact Information
Phone Number: (310) 742-5677
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Address: 1137 CARDIFF CIRCLE, Thousand Oaks, CA 91362
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D M S Environmental Contractors Thousand Oaks
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
D M S Environmental Contractors has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
2 projects
|
2023 |
Our building permit records indicate that D M S Environmental Contractors has worked on at least
2.0 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.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
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 D M S Environmental Contractors
This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental ref to pcis# 22016-20000-03052 for revisions to structural plans and details for shear wall changes from two to one sided foundation pad changes for new beams due to site conditions. (no change in plot plan)
Valuation:
$501
Permit #:
22016-30001-03052
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 16014-10000-05619 (n) covered patio addition to (e) single family dwelling ( 7'-0 x 15'-0") (n) grade beam and pad footing w stucco finish and new roofing
Valuation:
$30,000
Permit #:
16014-10005-05619
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition and remodel existing single family dwelling
Valuation:
$250,000
Permit #:
16014-10000-05619
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tenant improvement for oscars pizzeria.*
Valuation:
$125,000
Permit #:
BS2101991
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
Office
New two story recreation room over garage with roof deck
Valuation:
$85,000
Permit #:
14010-30000-00973
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit # 16014-10000-05619 to revise design and construction details for (e) rear deck patio
Valuation:
$10,000
Permit #:
16014-10004-05619
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit#: 16014-10000-05619 to 1) reduce entry soft overhang. 2) structural rev to parapet/shear wall
Valuation:
N/A
Permit #:
16014-10002-05619
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace 2 exterior doors on the side of the building
Valuation:
$15,000
Permit #:
21016-30000-51353
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace 2 window(s). same size location number type. replace drywall/plaster (patch and paint). non-structural repair only. interior bathroom remodel/repair (no changes in walls or openings)
Valuation:
$7,901
Permit #:
18016-90000-10342
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Construct a 580 sq ft attached garage and 80 sq ft breezeway to existing single family residence
Valuation:
$11,684
Permit #:
K201903629
Status:
final
Fee:
$273
Permit Type:
N/A
Building Type:
N/A
Replace 2 window(s). same size location number type. interior bathroom remodel/repair (no changes in walls or openings)
Valuation:
$7,501
Permit #:
18016-90000-10427
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replacing and removing existing fixtures for kitchen and bathroom remodel
Valuation:
N/A
Permit #:
17042-30000-28323
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Electric fixtures for the kitchen and bathroom
Valuation:
N/A
Permit #:
17041-30000-41227
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace drywall/plaster (patch and paint). non-structural repair only. interior kitchen remodel/repair (no changes in walls or openings). interior bathroom remodel/repair (no changes in walls or openings). replace damaged wood framing (less than 10%). same size spacing type
Valuation:
$67,400
Permit #:
15016-90000-27495
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit # 13016-30000-26624 to addition to scope of work to strip portion of the walls and resurface with one hour detail; chimney retrofit per info bulletin p/bc 2014-070 case #3; update title 24 for new force air unit; and retrofit existing free standing stove to provide fire protection
Valuation:
$10,000
Permit #:
13016-30001-26624
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change out #5 window(s) and #1 door(s) (same size & type for residential buildings only) dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section 152(b) of title 24
Valuation:
$10,000
Permit #:
14016-30000-09712
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior remodel of an existing single family dwelling. addition framing and remove structural walls. 1st floor: remove bathroom remove wall between kitchen and family room raise floor in living room. 2nd floor: new bathroom remove portion of floor near stair landing. addition and remove windows & doors
Valuation:
$90,000
Permit #:
13016-30000-14478
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Kitchen & (2) bathroom remodel combined with electrical plumbing and hvac (for residential buildings; no structural changes). replace drywall (no new walls added) specific location: kitchen bathroom & livingroom. termite damage/dry rot repair less than 10% of replacement cost of building
Valuation:
$15,300
Permit #:
13016-30000-12234
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior remodel to (e) two story single family dwelling to convert (e) kitchen to (n)pantry and convert (e) laudry room and study room to a (n) kitchen at first floor
Valuation:
$10,000
Permit #:
22016-20000-03052
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit (permit ref. no. 14010-30000-00973) to reduce the number of required and provided parking spaces for site from 4 to 2. mechanical car lift not required
Valuation:
$501
Permit #:
14010-30002-00973
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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D M S Environmental Contractors Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
D M S Environmental Contractors License info
Verified License
| License # | 797140 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for D M S Environmental Contractors at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1030028 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 D M S Environmental Contractors at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Falls Lake Fire & Casualty Company |
18
Permits
- Building permit records show that D M S Environmental Contractors has worked on 18 permitted projects.
D M S Environmental Contractors Employees
CH
Christopher Hollenbeck
Officer
CH
Christopher Hollenbeck
Officer
DS
Daniel Maurice Spiegel
Sole Owner