Updated: Mar 18, 2026
Location and Projects
Address
31324 VIA COLINAS #113, Westlake Village, CA, 91362
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Golenberg & Co Construction Inc
Founded in 1990 by Gregg Golenberg, Golenberg & Co Construction Inc draws on decades of experience serving Westlake Village and the greater Los Angeles area. Gregg Golenberg launched the company after eight years as a painter in some of the region’s most exclusive neighborhoods. Since its founding, the firm has specialized in building and remodeling custom homes, frequently collaborating with architects, interior designers, and craftspeople to realize distinctive residential projects. Golenberg & Co operates as a boutique builder, focusing on just a handful of projects at a time in order to maintain high standards in every phase of custom home construction and renovation. The company is recognized for its artistry and for working closely with clients and design professionals to bring architect- and designer-driven visions to life.
Golenberg & Co Construction Inc Services
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Golenberg & Co Construction Inc Contact Information
Phone Number: (818) 889-7293
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Address: 31324 VIA COLINAS #113, Westlake Village, CA 91362
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Golenberg & Co Construction Inc Westlake Village
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Golenberg & Co Construction Inc has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Golenberg & Co Construction Inc has worked on at least
6.0 projects over the past 2 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
3 projects
|
< $5k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $125,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Golenberg & Co Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior remodel within (e) building includes limited structural work. 1st fl - addtion of entry vestibule with (n) floor elevations & enclosed space; 2nd fl - infill of (e) lightwells; (n) skylights and kitchen/bath remodel. demolish and replace deck
Valuation:
$400,000
Permit #:
202502069779
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Int.remodel: replacement of extension wdws and doors in (e) location at front facade and (n) locations at sides and rear facades. addition of adu at the basement level. addition of 3 dormer windows at the rear and (n) skylights at the roof. vertical alterations exempt from neighbor notifications per 311
Valuation:
$1,718,690
Permit #:
202510076863
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Interior remodel within footprint. replace exterior windows & doors in (e) locations @ front facade & (n) locations @ side & rear. addition of adu at basement. addition of 3 dormer windows @ rear & skylines @ roof. vertical alterations exempt from neighbor notification per sec.311 @ least 1 (n) unit
Valuation:
$1,718,690
Permit #:
202507241464
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
***2025 wildfire eligible rebuild project***new two story single family dwelling; equipped with nfpa 13-d fire sprinklers throughout
Valuation:
$750,000
Permit #:
25010-30000-03521
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***2025 wildfire eligible rebuild project***remove and recompact for new single family dwelling and accessory buildings; excavation and backfill for new retaining wall
Valuation:
$626
Permit #:
25030-30000-05058
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***2025 wildfire ineligible rebuild project***new detached rec room with attached carport
Valuation:
$125,000
Permit #:
25010-30000-03522
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Complete work done under previously expired permit #____11010-10000-00800______. work is ___75___% complete (minimum 75% percent completed as determined by inspection). meps included
Valuation:
$4,000
Permit #:
24016-10000-05098
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) bay wind0w at second level only. addition of 15 habitable square feet. no mechanical or plumbing scope. no work in the public right of way
Valuation:
$20,000
Permit #:
202401123926
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Dry rot and minor assbestos removal/remediation at mechanical room kitchen hood bathroom fans and furnace ducting
Valuation:
$2,000
Permit #:
202508263902
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Supplemental to pcis 11014-10000-01571 to extend basement area to addition storage area
Valuation:
$20,000
Permit #:
11014-10001-01571
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**supplemental permit for the defferred submittal of the spiral stairs**
Valuation:
$20,000
Permit #:
11014-10003-01245
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New retaining wall along the north and east sides of proposed pool terrace and pool equipment area at the rear of lot. also reinforce (e) retaining wall along the north and east lot lines at the rear of lot
Valuation:
$45,000
Permit #:
13020-30000-00548
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Down draft recirculation for cooktop
Valuation:
N/A
Permit #:
18044-30000-06171
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Excavate & backfill retaining walls along pool terrace and along north & east lot lines. also compact pool terrace area
Valuation:
$57
Permit #:
13030-30000-01509
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New swimming pool and spa per stand plan #242 and engineering design
Valuation:
$15,000
Permit #:
13047-30000-00475
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit#17016-30000-36284 to revise title 24 and revise foundation details per engineered plans
Valuation:
$3,000
Permit #:
17016-30002-36284
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to #17016-30000-36286 to include structural changes
Valuation:
$5,000
Permit #:
17016-30001-36286
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Grading permit for the supp.lemental to pcis 11030-10000-02169 for the additional basement enlargement
Valuation:
$98
Permit #:
11030-10001-02169
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of 2 sewage ejector pump systems in a single family and accessory to a single family home
Valuation:
N/A
Permit #:
12042-20000-11953
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit no. 17016-30000-36284 to addition structural framing sizes and details
Valuation:
$1,500
Permit #:
17016-30001-36284
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Golenberg & Co Construction Inc License info
Verified License
| License # | 643952 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Golenberg & Co Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |
29
Permits
- Building permit records show that Golenberg & Co Construction Inc has worked on 29 permitted projects.
Golenberg & Co Construction Inc Employees
GG
Gregg Alan Golenberg
Rmo/Ceo/Pres
LG
Leslie Elaine Golenberg
Officer