Updated: Apr 04, 2026
Location and Projects
Address
P O BOX 14, Rutherford, CA, 94573
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AG Isdahl Construction Inc
Founded in Rutherford, California, AG Isdahl Construction Inc has more than two decades of experience serving clients throughout Napa Valley. The firm specializes in custom residential construction and remodeling projects, offering services that range from new home builds to extensive renovations. Their portfolio includes high-end kitchen and bathroom remodels, whole-house renovations, and the construction of luxury wine country estates tailored to homeowners’ preferences. AG Isdahl Construction Inc works with property owners seeking to enhance or expand their living spaces and is experienced with the unique considerations of building in Napa's vineyard regions. The company is known for collaborating closely with architects and designers and utilizes materials and methods suited to the local environment. AG Isdahl Construction Inc primarily serves residential clients in Napa County, including Rutherford and neighboring communities.
AG Isdahl Construction Inc Services
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AG Isdahl Construction Inc Contact Information
Phone Number: (707) 975-7431
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Address: P O BOX 14, Rutherford, CA 94573
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AG Isdahl Construction Inc Rutherford
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
AG Isdahl Construction Inc has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
3 projects
|
2023 |
Our building permit records indicate that AG Isdahl Construction Inc has worked on at least
4.0 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
|
$50k-$100k |
|
1 project
|
$250k-$500k |
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 AG Isdahl Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
818 sf garage addition; 1 124 sf mstr bed/office addition
Valuation:
N/A
Permit #:
BD2402-002
Status:
issued
Fee:
$23,926
Permit Type:
Addition
Building Type:
N/A
Constructions of new pavilion pergola and demonstration vineyard to replace former barn & pavilion . revision #1 - removing pavilion & stabilize pergola
Valuation:
$382,000
Permit #:
BC21-01880-NEW
Status:
final
Fee:
$11,009
Permit Type:
N/A
Building Type:
N/A
482 sq ft enclosure 52 sq ft entry 796 sq ft remodel
Valuation:
$105,000
Permit #:
BD2007-017
Status:
final
Fee:
$13,352
Permit Type:
Remodel
Building Type:
N/A
1161 sf remodel & 195 sf addition & 90sf covered porch ****see attached courtesy notice; final occupancy will not be approved until visibilty-triangle issue has been resolved*** ******see attached letter from clayton;visibilty triangle issue resolved. backflow passed
Valuation:
$98,500
Permit #:
BD2202-005
Status:
final
Fee:
$10,173
Permit Type:
Remodel
Building Type:
N/A
Upgrade existing restrooms to ada/t24 accessibilty requirements as part of hospitality pavillion & pergola project
Valuation:
$70,000
Permit #:
BC21-01882-ALT
Status:
expired
Fee:
$5,099
Permit Type:
N/A
Building Type:
N/A
Dwelling alteration to revise ramp stair and entry for accessibility
Valuation:
$40,000
Permit #:
BR21-01881-ALT
Status:
final
Fee:
$3,308
Permit Type:
N/A
Building Type:
N/A
Installation of a new backflow preventer
Valuation:
N/A
Permit #:
PW2204-010
Status:
issued
Fee:
$200
Permit Type:
Minor
Building Type:
N/A
Re-roof and minor dry rot repair on rafter tails (main winery building) (note: no structural framing members to be replaced without an approved permit alteration request)
Valuation:
$50,000
Permit #:
BC20-00390-RRF
Status:
final
Fee:
$1,463
Permit Type:
N/A
Building Type:
N/A
Install a reduced pressure backflow preventer
Valuation:
N/A
Permit #:
PW2105-005
Status:
issued
Fee:
$200
Permit Type:
Minor
Building Type:
N/A
New of 3 pergolas and small green wall landscaping use of existing electrical lighting
Valuation:
$51,000
Permit #:
B16-00785
Status:
final
Fee:
$2,336
Permit Type:
N/A
Building Type:
N/A
Main dwelling addition and alter - converting 2 existing bedrooms into 1 large bedroom adding additional space to 3rd bedroom to create a master bedroom
Valuation:
$90,000
Permit #:
B13-00727
Status:
final
Fee:
$4,190
Permit Type:
N/A
Building Type:
N/A
Bathroom & laundry room interior remodel: upgrade cabinets sinks fixtures all same locations as existing flooring doors paint
Valuation:
$10,000
Permit #:
B12-01438
Status:
final
Fee:
$281
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$75,000
Permit #:
B09-00641
Status:
final
Fee:
$1,809
Permit Type:
N/A
Building Type:
N/A
R/r front arches reduce garage door addition entry stairs remove and rebuild front entry arches reduce garage door addition radius entry stairs replace 4 windows re-roof w 50 year comparable. 25 squares for re-roof
Valuation:
$24,500
Permit #:
BD1904-016
Status:
final
Fee:
$1,294
Permit Type:
Repair
Building Type:
N/A
Addition of family room 440 sq.ft
Valuation:
$29,238
Permit #:
B03-2139
Status:
final
Fee:
$1,199
Permit Type:
N/A
Building Type:
N/A
Covered patio with outdoor kitchen
Valuation:
N/A
Permit #:
B06-0755
Status:
final
Fee:
$636
Permit Type:
N/A
Building Type:
N/A
Fire rebuild: main dwelling (5141 sq ft)
Valuation:
$510,000
Permit #:
BR19-02300-RPL
Status:
expired
Fee:
$8,751
Permit Type:
N/A
Building Type:
N/A
Commercial repairs: cosmetic repairs including new fixtures at two upstairs restrooms
Valuation:
$800
Permit #:
B16-00096
Status:
expired
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
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AG Isdahl Construction Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
AG Isdahl Construction Inc License info
Verified License
| License # | 805090 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for AG Isdahl Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Wesco Insurance Company |
14
Permits
- Building permit records show that AG Isdahl Construction Inc has worked on 14 permitted projects.
AG Isdahl Construction Inc Employees
AI
Andy George Isdahl
Rmo / Ceo / Pres
DI
Diana Schweiger Isdahl
Officer