Updated: Apr 03, 2026
Location and Projects
Address
6507 OLCOTT ST, Tujunga, CA, 91042
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G D Z Construction
G D Z Inc at 6507 OLCOTT ST, Tujunga, CA 91042, held a General Contractor license (#631186) with the California contractors license board with an expiration date of 10-31-2023. We last verified the license was expired on 04-02-2026.
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.
G D Z Inc Services
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G D Z Inc Contact Information
Phone Number: (818) 515-9646
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Address: 6507 OLCOTT ST, Tujunga, CA 91042
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Enclose (e) 12'-2 x 20'-10 irr shape breezway on the first floor (n) 6'-9 x 6'-9 second floor addition (n) 21'-4 x 11'-9 attach covered porch at rear interior remodel to (e) single family dwelling
Valuation:
$150,000
Permit #:
15014-20000-05671
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel bedrooms on both stories addition irregular shape 22'2 x 20 on ground floor for new family room and 5'10 x 24 balcony on 2nd floor above family room. see comment
Valuation:
$40,000
Permit #:
14014-20000-05241
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remove/rebuild entry stairs replace all (e) windows (dual glazing certified by nfrc) remodel front bay window remodel interior including: reconfigure bed/bathrooms with new 1/2 bathroom raised ceiling height of majority of ceiling framing
Valuation:
$75,000
Permit #:
15016-20000-03897
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior non-structural remodeling in existing single family dwelling remodel 2 exsiting bathroom
Valuation:
$30,000
Permit #:
18016-20000-19149
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 20016-10000-14441 to update the address included main house address: 2927-2929 s halldale ave 90018 revise use code structural inventory and work description to match the approved plans updated work description to read: convert portion (61 sf) of attached garage (466 sf) to storage and convert the remaining portion (405 sf) of (e) attached garage to accessory dw... see more
Valuation:
N/A
Permit #:
20016-10001-14441
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel bedrooms on both stories, add irregular shape 22'2" x 20' on g
Valuation:
$40,000
Permit #:
14014-20000-05241
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 Family Dwe...
Building Type:
N/A
Irregular shaped addition of 25'6 x 21'10 to the single family dwelling to create a garage. convert the existing carport to a covered patio
Valuation:
$25,850
Permit #:
16016-20000-12021
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 15014-20000-05671 to revise beam size and convert 8.6 x 1 of garage to laundry room. all works per eng
Valuation:
$501
Permit #:
15014-20001-05671
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 15014-20000-05671 to convert (e) 16'-6 x 16'-2 attic space to bedroom & revise structural framing per eng
Valuation:
$5,500
Permit #:
15014-20002-05671
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 2-story + basement office and trade school with open deck over driveway trade school floor area = 863 sqft office floor area = 4953 sqft covered driveway area = 1134 sqft and basement storage area = 1246 sqft (see comments)
Valuation:
N/A
Permit #:
12010-20000-00126
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Shoring - install soldier piles for shoring and drainage pocket for retaining wall located at 2131 n. hillhurst av. approx. 150 long along south property line ( north proerty line @ 2131 n. hillhurst av.) (see comments)
Valuation:
N/A
Permit #:
12020-20000-01189
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit of 14014-20000-05241 to revise 2nd floor framing including removal/replacement of floor beams and extend floor joists
Valuation:
$501
Permit #:
14014-20001-05241
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel to include new roof framing stairs remodel kitchen laundry and dining areas. - convert attic to habitable space. - this is a combination building/mechanical/electrical/plumbing permit - remodel+addition is 40% valuation of existing - fire sprinklers not required - - - - - 578.16 to be credited towards the building permit - receipt 113545 8/15/06
Valuation:
N/A
Permit #:
BC20060494
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Supplemental permit of 14014-20000-05241 to include additional work of replacing beam at kitchen area
Valuation:
$3,000
Permit #:
14014-20002-05241
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remove and replace roof sheathing addition rigid insulation and reroof with class a built up roof. extend rear bathroom replace all single glazed windows with same size energy efficient windows and interior remodel per plans. includes elect plumbing and hvac permits. eqso required
Valuation:
N/A
Permit #:
05014-20000-03667
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Two story addition to (e) s.f.d. (habitable area of addition=1 113sf) remove & replace (e) attached garage & addition 59 sf (total garage=728sf) addition (166sf) of deck area and addition (176sf) of porch area alter (e) portion of the building combine related electrical plumbing and hvac work with this permit. building be constructed with an interior heat sensitive sprinkler system to... see more
Valuation:
N/A
Permit #:
01014-30000-06339
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit #12014-10000-02884to revise floor plan for mezzanine level and convert mezzanince office to light storage area. no new s.f. and no change in parking
Valuation:
$501
Permit #:
12014-10001-02884
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
344 sf addition and interior remodeling of existing master bedroom/new bath and closet
Valuation:
$16,000
Permit #:
BS1612421
Status:
N/A
Fee:
N/A
Permit Type:
Building Combo
Building Type:
Single-Family Res...
(n) 31'-8 x 32'-4 irr. rec room w attach. trellis & 3/4 bathrm with exterior access only
Valuation:
$45,000
Permit #:
16010-20000-01858
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change of use from light manufacturing use to office accessory to the existing warehouse/manufacturing office building expand existing office mezzanine (316 s.f.)
Valuation:
$150,000
Permit #:
12014-10000-02884
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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G D Z Inc License info
Inactive License
| License # | 631186 |
| Status | Inactive |
| State | California |
| Type | 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 G D Z 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 | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State National Insurance Company Inc |
26
Permits
- Building permit records show that G D Z Inc has worked on 26 permitted projects.
G D Z Inc Employees
DS
Deborah Marie Schrock
Officer
GS
Gilbert Steven Schrock
Rmo / Ceo / Pres