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Location and Projects

Address
7220 OSO AVE #211, Winnetka, CA, 91306
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Guenther and Sonconstruction

Guenther and Sonconstruction at 7220 OSO AVE #211, Winnetka, CA 91306, held a General Contractor license (#478847) with the California contractors license board with an expiration date of 09-30-2015. We last verified the license was expired on 05-12-2026.

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.

Guenther and Sonconstruction Services

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Guenther and Sonconstruction Contact Information

Phone: (818) 705-5524 Edit
Address: 7220 OSO AVE #211, Winnetka, CA 91306 Edit

Building Permits by Guenther and Sonconstruction

Sort by: Notable Notable | Date Date | Job Value Job Value
Commercial electrical
2005-05-05
Elect: 20-15 or 20 amp circuit 3-25 to 40 amp circuit 1-50 to 175 amp circuit for dnd packaging company
Valuation:
N/A
Permit #:
05-02167
Status:
final
Fee:
$157
Permit Type:
N/A
Building Type:
N/A
Ti-combo ti: tenant improvement bldg: building
2012-12-19
Tenant improvement. for dnd packaging
Valuation:
$3,500
Permit #:
B12-00946
Status:
applied
Fee:
$338
Permit Type:
N/A
Building Type:
N/A
Bldg-alter/repair
1997-05-05
Replace (e) masonry fireplace with prefab unit. smoke detectors required. hvac required
Valuation:
N/A
Permit #:
97016-20000-07677
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
1999-07-12
Ti: new partion walls. 40x100 tenant space
Valuation:
N/A
Permit #:
97016-20000-09851
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Addition 20 exit signs on existing circuits
Valuation:
N/A
Permit #:
98041-20000-27835
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Bldg-alter/repair
1999-05-17
Chimney repair per la city standard
Valuation:
N/A
Permit #:
98016-20000-19345
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Service upgrade to 800a
Valuation:
N/A
Permit #:
97041-20000-05661
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
2 new toilets 1 gas line
Valuation:
N/A
Permit #:
97042-20000-04426
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Re-roof. tear off and apply plywood + comparable shingles. class a 16sq
Valuation:
$3,000
Permit #:
99000415
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A

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