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T

Location and Projects

Address
P O BOX 1974, Byron, CA, 94514
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Tri Valley Air Systems HVAC/Mechanical Contractor

Tri Valley Air Systems at P O BOX 1974, Byron, CA 94514, held a HVAC/Mechanical Contractor license (#640272) with the California contractors license board with an expiration date of 01-13-2004. We last verified the license was inactive on 05-21-2026.

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 project planner to be easily matched to qualified, licensed professionals in your area.

Tri Valley Air Systems Services

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Tri Valley Air Systems Contact Information

Phone: (925) 457-5931 Edit
Address: P O BOX 1974, Byron, CA 94514 Edit

Building Permits by Tri Valley Air Systems

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Building/commercial/mc/mechanical
3471 Mt Diablo Blvd, Lafayette, CA, 94549
2014-10-31
Replace rooftop hvac - same size and location per planning
Valuation:
N/A
Permit #:
BIMC14-010247
Status:
final
Fee:
$398
Permit Type:
N/A
Building Type:
N/A
Commercial
80 Eagle Rock Way D, Brentwood, CA, 94513
2013-11-06
Tenant improvement - 1311 sq. ft. (mechanical only)
Valuation:
$0
Permit #:
B13-1558
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial
80 Eagle Rock Way E, Brentwood, CA, 94513
2013-11-06
Tenant improvement - 732 sq. ft. (mechanical)
Valuation:
$0
Permit #:
B13-1566
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building - residential mechanical
2345 Wayfarer Dr, Discovery Bay, CA, 94505
2010-11-02
Permit rebate program---change out furnace with 98% afue---contractor will comply with t-24 requirements
Valuation:
N/A
Permit #:
BIM10-007640
Status:
final
Fee:
$109
Permit Type:
N/A
Building Type:
N/A
Building - residential mechanical
826 Discovery Bay Blvd, Discovery Bay, CA, 94505
2013-05-08
Replace furnace air conditioner and repair ducting
Valuation:
N/A
Permit #:
BIM13-003739
Status:
final
Fee:
$381
Permit Type:
N/A
Building Type:
N/A
Furnace
987 El Caminito, Livermore, CA, 94550
2012-02-14
Replace furnace 80% afue and air conditioning unit 13 seer. duct testing is required
Valuation:
N/A
Permit #:
F120040
Status:
final
Fee:
$239
Permit Type:
Asfr
Building Type:
N/A
Epm
1304 Berry Ln, Brentwood, CA, 94513
2011-08-16
Hvac system 80% furnance 2 ton 13 seer
Valuation:
$0
Permit #:
B11-0881
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Epm
3361 Walnut Blvd, Ste 140, Brentwood, CA, 94513
2011-12-20
Tenant improvement. - modify 800 sq ft (mechanical)
Valuation:
$0
Permit #:
B11-1239
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit
800 University Ave, Berkeley, CA, 94710
2011-07-14
Replace rooftop ducting and rtu's
Valuation:
$0
Permit #:
B2011-02816
Status:
Closed Complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building
2480 Sunshine Dr, Concord, CA, 94520
2010-06-18
Replace furnace 95% afue and air conditioning 13 seer
Valuation:
$5,000
Permit #:
BP10001225
Status:
final
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
Epm
60 Eagle Rock Way, Brentwood, CA, 94513
2009-01-15
Tenant improvement. mechanical only - 1, 094 sq ft
Valuation:
$0
Permit #:
B0028504
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Epm
50 Eagle Rock Way D, Brentwood, CA, 94513
2009-03-25
Tenant improvement. (mechanical only) 500 sq ft
Valuation:
$8,750
Permit #:
B0028705
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Epm
50 Eagle Rock Way A, Brentwood, CA, 94513
2009-03-25
Tenant improvement. (mechanical only) 500 sq ft
Valuation:
$8,750
Permit #:
B0028706
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Epm
60 Eagle Rock Way, Brentwood, CA, 94513
2009-03-25
Tenant improvement. (mechanical only) 696 sq ft
Valuation:
$12,180
Permit #:
B0028707
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Epm
9030 Brentwood Blvd, Brentwood, CA, 94513
2006-09-20
Hvac/okpertnielsen
Valuation:
$0
Permit #:
B0024194
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Epm
9020 Brentwood Blvd, Brentwood, CA, 94513
2006-09-20
Hvac/okpertnielsen
Valuation:
$0
Permit #:
B0024195
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing
1 Bartlett St, San Francisco, CA, 94110
2011-02-07
Furnace install
Valuation:
N/A
Permit #:
PM20110114414
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Epm
2455 Sand Creek Rd, Ste 104, Brentwood, CA, 94513
2016-07-19
5 new supply tbar 11 return air transfer
Valuation:
N/A
Permit #:
B16-1785
Status:
expired
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Building
2290 Willow Pass Rd, Concord, CA, 94520
2008-04-30
Replace hvac- 80% 5 ton & 13 seer air conditioning
Valuation:
$16,800
Permit #:
BP08000974
Status:
canceled
Fee:
$93
Permit Type:
N/A
Building Type:
N/A

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