Updated: Apr 29, 2026
Location and Projects
Address
3230 DARBY COMMON #B, Fremont, CA, 94539
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Koch & Associates Construction
Serving clients throughout Fremont and the surrounding Bay Area, Koch & Associates Inc has been active in the construction industry for 37 years. The company specializes in a broad range of general contracting services, with project experience that includes residential renovations, additions, and commercial construction. Koch & Associates Inc handles projects for both homeowners and businesses, offering expertise in managing complex remodels and building improvements. With a long-standing presence in the region and decades of experience, the team is equipped to oversee projects from planning through completion, ensuring compliance with local building codes and regulations. Koch & Associates Inc is known for guiding clients from initial consultation through final construction for projects of varying scales in Fremont and neighboring communities.
Koch & Associates Inc Services
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Koch & Associates Inc Contact Information
Phone Number: (510) 490-0487
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Address: 3230 DARBY COMMON #B, Fremont, CA 94539
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Koch & Associates Inc Fremont
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Koch & Associates Inc has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Koch & Associates Inc has worked on at least
5.0 projects over the past 3 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
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
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 Koch & Associates Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Reconstruction of an existing cabana structure in rear yard 266 sf. addition of a new patio cover on the existing main living level balcony above existing garage
Valuation:
$210,000
Permit #:
PRE21-01059
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Adding pergola arbor to existing patio 612 sf
Valuation:
$60,000
Permit #:
B25-0531
Status:
final
Fee:
$2,522
Permit Type:
N/A
Building Type:
Dwellings
Run a new dedicated 20 amp 110 v circuit from existing 200 amp panel to new self contained water feature in back yard using #12 wire in conduit. new gfci receptacle & box to be weatherproof. ok per k soong. (rgs)
Valuation:
N/A
Permit #:
BLD2020-04765
Status:
complete
Fee:
$156
Permit Type:
N/A
Building Type:
N/A
Construct new detached solid patio cover (485 sf). install new receptacles at patio cover. install 1-1/2 dedicated gas line to bbq and fire pit. install new dedicated 220v circuit to spa. (separate permit required for package unit spa.)
Valuation:
$50,000
Permit #:
D191315
Status:
final
Fee:
$820
Permit Type:
Add/alter single ...
Building Type:
N/A
Adding pergola arbor to existing patio 612 sf
Valuation:
N/A
Permit #:
PRE25-00728
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
423 sq. ft. detached arbor with electrical
Valuation:
N/A
Permit #:
D220661
Status:
issued
Fee:
$699
Permit Type:
Add/alter single ...
Building Type:
N/A
Building arbor with outdoor kitchen heaters and gas fire pit
Valuation:
$25,000
Permit #:
BRES2023-0216
Status:
final
Fee:
$1,732
Permit Type:
Alteration
Building Type:
N/A
384 sq. ft. pavilion with electrical; run gas line for future exterior fireplace
Valuation:
$50,000
Permit #:
D190160
Status:
final
Fee:
$910
Permit Type:
Add/alter single ...
Building Type:
N/A
Run dedicated 60amp circuit and install package spa with lockable cover
Valuation:
$20,000
Permit #:
PS190066
Status:
final
Fee:
$361
Permit Type:
Portable spa
Building Type:
N/A
- 452 sq ft arbor
Valuation:
$8,362
Permit #:
2021 028133 RS
Status:
filed
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
(n) 356 sf arbor gas & electric for bbq & firepit
Valuation:
$5,000
Permit #:
B16-0595
Status:
final
Fee:
$1,199
Permit Type:
N/A
Building Type:
N/A
Addition of a new patio cover on the existing main living level balcony above existing garage 346 sf
Valuation:
$90,000
Permit #:
B21-0873
Status:
final
Fee:
$2,783
Permit Type:
N/A
Building Type:
Dwellings
Addition of a new patio cover on the existing main living level balcony above existing garage 346 sf
Valuation:
$90,000
Permit #:
B21-0873
Status:
triage
Fee:
$863
Permit Type:
N/A
Building Type:
Dwellings
Bld- install a 192 sq ft arbor attached to the house @ street side yard. (tj) scope includes adding new gas line 1.5 inch dia abt 50 ft long for an out door masonry-fireplace. 6/25/13 (tj)
Valuation:
N/A
Permit #:
BLD2013-06109
Status:
final
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Permit value$15k arbor construction construction 3 arbors (approx. 487 total sf) and electrical (1) gfi outlet extend height of fence 8ft max
Valuation:
N/A
Permit #:
B15-3632
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1) new 200 sf. detached accessory building for pool equipment (pool by others) 2) approx. 135 lf. of new 6 ft. max retaining wall by pool cabana building and new pool equipment building approx. 75 lf. of new 4 ft. max. retaining wall behind main residence near wine room game room area. 3) new 539 sf. detached arbor between pool cabana building and pool with gas and electrical for bbq ... see more
Valuation:
$19,248
Permit #:
2006 005520 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Private
Valuation:
N/A
Permit #:
14-1157
Status:
final
Fee:
N/A
Permit Type:
Private
Building Type:
N/A
Reconstruction of an existing cabana structure in rear yard 266 sf
Valuation:
$120,000
Permit #:
B21-0874
Status:
plancheck
Fee:
$1,033
Permit Type:
N/A
Building Type:
Dwellings
1) new 200 sf. detached accessory building for pool equipment (pool by others) 2) approx. 135 lf. of new 6 ft. max retaining wall by pool cabana building and new pool equipment building approx. 75 lf. of new 4 ft. max. retaining wall behind main residence near wine room game room area. 3) new 539 sf. detached arbor between pool cabana building and pool with gas line and electrical for... see more
Valuation:
N/A
Permit #:
2006 005690 GC
Status:
approved
Fee:
N/A
Permit Type:
Geohazard clearance
Building Type:
N/A
Construct attached accesory structure shade structure 315 sf located in back of residence
Valuation:
$30,248
Permit #:
BLD2023-00172
Status:
complete
Fee:
$1,363
Permit Type:
New accessory str...
Building Type:
N/A
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BZ Score
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Avg Project
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Projects
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BZ Score
$200K
Avg Project
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Projects
187
BZ Score
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Avg Project
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Projects
Koch & Associates Inc Reviews
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Koch & Associates Inc License info
Verified License
| License # | 500296 |
| Status | Active |
| State | California |
| Type | Landscaping |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Koch & Associates Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Oak River Insurance Company |
54
Permits
- Building permit records show that Koch & Associates Inc has worked on 54 permitted projects.
Koch & Associates Inc Employees
DK
Douglas Roy Koch
Sole Owner