Updated: Jun 18, 2026
Location and Projects
Address
1485 LAURELWOOD ROAD, Santa Clara, CA, 95050
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Ray L Hellwig Mechanical Co Inc
Ray L Hellwig Mechanical Co Inc at 1485 LAURELWOOD ROAD, Santa Clara, CA 95050, held a HVAC/Mechanical Contractor license (#323706) with the California contractors license board with an expiration date of 06-30-1981. We last verified the license was expired on 06-01-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Ray L Hellwig Mechanical Co Inc Services
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Ray L Hellwig Mechanical Co Inc Contact Information
Phone Number: (408) 832-8770
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Address: 1485 LAURELWOOD ROAD, Santa Clara, CA 95050
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Building Permits by Ray L Hellwig Mechanical Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Intstallation of tools; mask aligner and mask cleaner: the project consists of installing (2) new tools in the existing clean room. no or minor architectural changes will be required. the new tools will be seismically anchored on grade inside the clean room so no work will be performed outside of the building. existing facility utilities will be extended and connected to the new tools... see more
Valuation:
$72,000
Permit #:
2015 040160 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Building area 43, 650 sq ft area of work: 512 sq ft installatio of new tools accessory equipment and supporting utilities in the existing clean room. installation incluides demolition of existing equipment and connectionsand connection of existing pricess utilities to the new equipment. all trades per approved plans
Valuation:
$52,000
Permit #:
2015 029050 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Building area 43, 650 sq ft area of work: 539 sq ft scope of work to include installation of new tools accessory equipment and supporting utilities in existing clean room. installtion includes demolish of exiasting equipment and connection of existing process utilities to the new equipment. all work per approved plans
Valuation:
$305,000
Permit #:
2015 025333 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Building area: 234, 000 sq ft area of work: 85 sq ft scope of work: installation of one (1) hydrogen gas purification unit & one (1) h2 valve manifold box. this project was submitted and approved in 2012 reference plan check no. 12-028602. the project was put on hold for too long and the permit expired therefore requiring a re-submittal
Valuation:
$125,000
Permit #:
2014 026763 CI
Status:
issued
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Tenant improvement to existing community building. -scope of work for suites 30 40 & 50 consists of demolition of existing walls and suspended ceiling installation of new walls and ceiling per plans create new entrance and walkway addition (4) new roof top air conditioning units install new lighting new switches and relocate some existing switches. scope aslo includes new hvac ducts u... see more
Valuation:
$664,000
Permit #:
2003 108466 CI
Status:
complete
Fee:
N/A
Permit Type:
Mixed use
Building Type:
N/A
This project consists of the remodel of space within an (e) h-5 area to create 5 class 100 clean aisles and associated chases. including electrical. plumbing and mechanical to support the clean room is also a part of the work. area of work: 4, 500 sf. *** existing restrooms are accessible. ***shower rooms are proposed to be upgraded under a separate project. ***tool install is not par... see more
Valuation:
$1,147,347
Permit #:
2011 007581 CI
Status:
complete
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Building area: 234, 000 sq ft area of work: 85 sq ft scope of work: installation of one (1) hydrogen gas purification unit & one (1) h2 valve manifold box. this project was submitted and approved in 2012 reference plan check no. 12-028602. the project was put on hold for too long and the permit expired therefore requiring a re-submittal
Valuation:
N/A
Permit #:
2014 025832 CI
Status:
issued
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Tenant improvement to existing community building. -scope of work for suites 30 40 & 50 consists of demolition of existing walls and suspended ceiling installation of new walls and ceiling per plans create new entrance and walkway addition (4) new roof top air conditioning units install new lighting new switches and relocate some existing switches. scope aslo includes new hvac ducts u... see more
Valuation:
$664,000
Permit #:
2003 108466 CI
Status:
complete
Fee:
N/A
Permit Type:
Mixed use
Building Type:
N/A
3/30/15 voided. owner withdraw application. sm new single story 2 bedroom 2 1/2 bathroom residence with fire sprinklers 2500 sf. covered front porch 268 sf. uncovered side and rear decks 275 sf. trellis over kitchen door 50 sf. permit is good for 12 inspections. additional inspections are $136.28 each. final inspection required
Valuation:
$325,000
Permit #:
14001199
Status:
canceled
Fee:
$3,128
Permit Type:
N/A
Building Type:
N/A
Scope of work: the scope consists of a like for like replacement of an existing corroding waste water treatment skid with a new skid of same size and function. the skid will be repositioned so that it is located 100% over a grated containment moving by moving it 18" in one direction and 6" in the other position from where it is currently located. new structural work will be required t... see more
Valuation:
$40,000
Permit #:
2013 006990 CI
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Scope of work: the scope consists of replacing an existing coater developer tool with a new coater developer tool with very similar utility needs and function. there will be a single electrical circuit structural work will consist of anchor bolting the tool to the floor and mechanical will consist of ducting approximately 150 cfm of solvent exhaust and various process utility connecti... see more
Valuation:
$32,971
Permit #:
2013 004903 CI
Status:
complete
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Scope of work: the scope consists of replacing an existing coater developer tool with a new coater developer tool. there will be a single electrical circuit structural work will consist of anchor bolting the tool to the floor and mechanical will consist of ducting approximately 150 cfm of solvent exhaust and various process utility connections. the tool will gravity drain solvents to ... see more
Valuation:
$32,971
Permit #:
2013 102345 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
1. connect new gas lines from an existing sulfur hexafluoride cylinder/panel and new oxygen argon and methane cylinder/panels to the tool gas pod. 2. connect new hydrogen gas line from an existing header to the tool gas pod. 3. install new chlorine and silicon tetrachroride gas lines from the gas blockhouse to the tool gas pod. 4. connect nitrogen clean dry air and process cooling wat... see more
Valuation:
$129,000
Permit #:
2010 033116 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
1. connect new gas lines from an existing sulfur hexafluoride cylinder/panel and new oxygen argon and methane cylinder/panels to the tool gas pod. 2. connect new hydrogen gas line from an existing header to the tool gas pod. 3. install new chlorine and silicon tetrachroride gas lines from the gas blockhouse to the tool gas pod. 4. connect nitrogen clean dry air and process cooling wat... see more
Valuation:
$129,000
Permit #:
2010 029095 CI
Status:
issued
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Tenant improvement demolition & remodel of 3 000 sq ft to credit union space inc. interior ada modifications of restroom & breakroom architectrual finishes only (m e p) non-structural 09/09/2010 - rev#1 - plumbing new split system shear wall calculations for atm update to hvac plan(as-built)-rev#1 iss'd 09/09/2010 *see notes* plans scanned box 416 file scanned box 426
Valuation:
N/A
Permit #:
10060114
Status:
final
Fee:
$4,756
Permit Type:
N/A
Building Type:
N/A
This project consists of the remodel of space within an (e) h-5 area to create 5 class 100 clean aisles and associated chases. including electrical. plumbing and mechanical to support the clean room is also a part of the work. area of work: 4, 500 sf. *** existing restrooms are accessible. ***shower rooms are proposed to be upgraded under a separate project. ***tool install is not par... see more
Valuation:
$1,147,347
Permit #:
2011 008414 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Installation of rie08 tool and supporting utilities in existing clean room. installation includes connection of existing process utilities to new equipment
Valuation:
$79,000
Permit #:
2015 017647 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Hewlett packard: install an optics sputter tool and six (6) process piping systems. install electrical cabinets for the new tool. no new electrical panels or service upgrade required
Valuation:
$209,000
Permit #:
12000-02433
Status:
issued
Fee:
$7,066
Permit Type:
N/A
Building Type:
N/A
Scope of work: installation and utility hook-up of two (2) ammonia gas purification units and four (4) associated valve manifold boxes (vmbs)
Valuation:
$200,000
Permit #:
2014 031363 CI
Status:
final
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
Install new 750 gallon stainless steel solvent waste collection tank and associated piping in an (e) vault located outdoors. approx area of work: 196 sf permit revised per inspectino notice dated 6/23/11 by tim farrant no plumbing required only mechanical lw 6/27/11
Valuation:
$65,000
Permit #:
2011 012812 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
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Ray L Hellwig Mechanical Co Inc License info
Inactive License
| License # | 323706 |
| Status | Inactive |
| State | California |
| Type | General Building, Boiler, Hot Water Heating And Steam Fitting, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Sheet Metal |
| Business Type | Corporation |
- 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 Ray L Hellwig Mechanical Co 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 # | 647113 |
| Status | Inactive |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Sheet Metal |
| Business Type | Corporation |
- 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 Ray L Hellwig Mechanical Co 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 # | 441318 |
| Status | Inactive |
| State | California |
| Type | Refrigeration, Boiler, Hot Water Heating And Steam Fitting, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Sheet Metal |
| Business Type | Corporation |
- 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 Ray L Hellwig Mechanical Co 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 # | 954500 |
| Status | Inactive |
| State | California |
| Type | General Building, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation |
- 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 Ray L Hellwig Mechanical Co 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 # | 616780 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Boiler, Hot Water Heating And Steam Fitting, Plumbing, Sheet Metal |
| Business Type | Corporation |
- 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 Ray L Hellwig Mechanical Co 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 # | 190220 |
| Status | Inactive |
| State | California |
| Type | Plumbing, Warm Air Heating, Ventilating And Air Conditioning, Boiler, Hot Water Heating And Steam Fitting, Sheet Metal, Fire Protection, General Building |
| Business Type | Corporation |
- 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 Ray L Hellwig Mechanical Co Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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Bonded
| Bonded Agent | Travelers Casualty & Surety Company Of America |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Travelers Property Casualty Company Of America |
316
Permits
- Building permit records show that Ray L Hellwig Mechanical Co Inc has worked on 316 permitted projects.
Ray L Hellwig Mechanical Co Inc Employees
AI
A & A Mechanical Contractors Inc
Entity
CI
C Hellwig Ray L Plumbing & Heating In
Entity
DJ
Douglas Lewis Jones
Officer
ES
Elden Eugene Shreve
Rmo
FP
Finnegan Eugene P
Entity
GB
Glen Alfred Bollenbacher
Rmo / Ceo / Pres
HI
Hellwig Ray L Plumbing & Heating Inc
Entity
JM
Jeffrey Miller
Officer
JM
Jeffrey Miller
Officer
JT
Joseph Anthony Trippi
Officer
KA
Keith Craig Anderson
Officer
LL
Lewis Van Louie
Officer
RI
Ray L Hellwig Mechanical Co Inc
Entity
RH
Ray Leroy Hellwig
Rmo / Ceo / Pres
SS
Scott Wayne Shreve
Officer
TS
Tony Charles Srp
Officer