Updated: May 15, 2026
Location and Projects
Address
734 CLARADAY STREET #3, Glendora, CA, 91740
Use our bidding system to
request a quote
GF Thayer Construction
GF Thayer at 734 CLARADAY STREET #3, Glendora, CA 91740, held a General Contractor license (#851139) with the California contractors license board with an expiration date of 12-31-2010. We last verified the license was expired on 01-13-2026.
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.
GF Thayer Services
Start a project today:
GF Thayer Contact Information
Phone Number: (323) 363-3465
Edit
Address: 734 CLARADAY STREET #3, Glendora, CA 91740
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement: 959 sq. ft. interior remodel to create sales area restrooms to be ada compliant. construct store front vestibule awning and widen delivery door for sockerbit
Valuation:
$60,000
Permit #:
BLD2016-04342
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
N/A
Tenant improvmt tenant improvement. - retrofit for lateral forces for existing industrial warehouse. remove 2 columns and install a roof beam. see permit #b10-001-056 for tenant improvement permit
Valuation:
$100,000
Permit #:
B11-000-193
Status:
final
Fee:
$454
Permit Type:
S-1 stor mod hz
Building Type:
N/A
Change of use from office and single family dwelling to transitional housing shelter for homeless. legalize two bathroom foyer and vestibule on the 1st floor. addition steel stairway from 2nd floor for exit. addition h/c surface parking
Valuation:
N/A
Permit #:
09016-10000-12090
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
P/c and permit for air conditioning unit. plans originally submitted and approved under 00044 20000 02873 in 2000 but not permitted. this p/c is to re review plan for new pizza restaurant in space a of the food court and permit the air conditioning unit only. ductwork hoods and ventilation under a separate permit. t24 under performance. no economizer required for unit serving this space
Valuation:
N/A
Permit #:
04044-20000-00364
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Interior remodel for existing apartment new suspended acoustical ceiling in hallways new housekeeping pad for electrical equipment. construct opening for hvac unit pursuant to detail c4 on a7.01( one each in each unit - 47 units)
Valuation:
N/A
Permit #:
10016-10000-07794
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Electrical service upgrade for existing building (47units 4 stories and basement). install new swtichboard panels and branch circuits. plan check for energy and power. additonal pc fee may require for title-24
Valuation:
N/A
Permit #:
10041-10000-08139
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
6608 sq ft new church type v-1 hour * c of o * electrical on permit #b0202192 * plumbing ref. permit #b0202212 * mechanical #b0204921 ** 12/19/02 temp c of o - sak ** revised to addition engineering for air conditioning screen wall and cat walk tnp
Valuation:
N/A
Permit #:
B0102803
Status:
TEMPCofO
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Comm'l building permit - 3, 092 sq ft tenant improvement for offices per approved plans. 157 sq ft to 1st floor to construct ramp at n.w. corner and accessible classroom to comply w/requirement of e-2 second floor occupancy. 2, 935 tenant improvement. on sq ft 2nd floor to convert existing offices to classrooms
Valuation:
N/A
Permit #:
BLD04-01663
Status:
final
Fee:
$738
Permit Type:
N/A
Building Type:
N/A
Commercial new building steel frame. (2 stories & basement) on church prop.-concrete & steel framing a-3 ii-1hr
Valuation:
$1,544,359
Permit #:
H04-090-034
Status:
final
Fee:
N/A
Permit Type:
Value
Building Type:
N/A
Install cativeaire type 2 hood over pasta cooker and bain marie. 4 x 4. captiveaire hood is ul listed and sizing is per listing which requires 150 cfm/ft x 4ft = 600 cfm. new pizza restaurant
Valuation:
N/A
Permit #:
04044-20000-00014
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
720 s.f. modular classrooms for church b occupancy*misc electrical*12/21/04 revised addresses square footage and location of modulars to reflect actual field conditions rw**c of o fee
Valuation:
N/A
Permit #:
B0402144
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of ptac units within an existing 47 unit residential building. ptac is primary means of heating and cooling. building valuation is 170, 000
Valuation:
N/A
Permit #:
11044-10000-02513
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
(2) 24 x 60 modular classroom buildings with foundations (state department of housing approved) * plumbing (1) misc piping (1) sewer lateral * misc electrical ** c of o fee
Valuation:
N/A
Permit #:
B0203795
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvmt tenant improvement. create offices in existing shell building space for state farm insurance. includes mechanical. and electrical
Valuation:
$40,000
Permit #:
B10-000-939
Status:
final
Fee:
$1,109
Permit Type:
B business
Building Type:
N/A
Commericial tenant improvement: replace existing glu-lam beams with a tapered steel girder (2 locations). girder span 100. remove 2 columns
Valuation:
$60,000
Permit #:
BLD2008-04198
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Accessibility upgrade. adding wheelchair lift and new entrance at front of building. remove one unit at 1st floor. remodel (2) 1st floor units
Valuation:
N/A
Permit #:
09016-10000-14748
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
210sf type 11b/f-2 electrical rm; main service panel & electrical for batch plant; panel hb w lighting circuit only for electrical room no other circuits
Valuation:
$16,745
Permit #:
2009BD0043
Status:
EXPIRED
Fee:
$1,387
Permit Type:
Ncom
Building Type:
N/A
Tenant improvement: 600 square feet of drywall replacement on ceiling and replace (2) split system mechanical units
Valuation:
$75,000
Permit #:
BLD2014-05033
Status:
final
Fee:
N/A
Permit Type:
Storage racks
Building Type:
N/A
Previous approval no. 422688-3 emra-pvt landscaping & irrigation, pvt monument sign, pvt grass-crete paving, 16" pvt fire mains, 6" pvt waterlines and 6" pvt water main. recorded doc#2005-0947771, 11/01/05
Valuation:
$0
Permit #:
245917
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Copper repipe of 4 story hotel. existing 2 water meter no backflow required (highest fixtures is no more than 33ft above grade)
Valuation:
N/A
Permit #:
10042-10000-20599
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Similar Contractors See more
177
BZ Score
$10K
Avg Project
-
Projects
212
BZ Score
$40K
Avg Project
-
Projects
191
BZ Score
$27.9K
Avg Project
-
Projects
License # 1154606
Glendora, CA
92
BZ Score
-
Avg Project
-
Projects
GF Thayer Reviews
BuildZoom hasn't received any reviews for GF Thayer. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
GF Thayer License info
Inactive License
| License # | 851139 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| 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 GF Thayer at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 355487 |
| 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 GF Thayer at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 516456 |
| 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 GF Thayer at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 525758 |
| 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 GF Thayer at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are GF Thayer, click “This is My Business” to update your information.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | California Insurance Company |
47
Permits
- Building permit records show that GF Thayer has worked on 47 permitted projects.
GF Thayer Employees
DT
Dale Robert Thayer
Sole Owner
GT
Gary Foster Thayer
Sole Owner
MT
Muriel Elaine Thayer
Officer
PF
Paul David Fewell
Rmo
TT
Thomas Vincent Thayer
Sole Owner