Updated: Jan 11, 2026
Location and Projects
Address
228 WINDSOR RIVER RD PMB 234, Windsor, CA, 95492
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J WARNER ENTERPRISES Construction
Serving Sonoma County and based in Windsor, J Warner Enterprises brings over three decades of construction experience to residential projects in Northern California. The company specializes in custom home building, remodels, and additions, handling jobs that range from ground-up new construction to extensive home renovations. J Warner Enterprises works with homeowners across Windsor and the surrounding areas, delivering tailored solutions for single-family residences. With 32 years in the business, the company has managed projects that include expanding existing living spaces, updating kitchens and bathrooms, and constructing new custom homes designed to fit specific client needs. All work is overseen by founder John Warner, who remains actively involved in project management and client communication throughout each phase of construction.
J WARNER ENTERPRISES Services
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J WARNER ENTERPRISES Contact Information
Phone Number: (707) 206-5578
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Address: 228 WINDSOR RIVER RD PMB 234, Windsor, CA 95492
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J WARNER ENTERPRISES Windsor
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
J WARNER ENTERPRISES has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
1 project
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that J WARNER ENTERPRISES has worked on at least
10.0 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
|
2 projects
|
$5k-$20k |
|
1 project
|
$500k-$1mil |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tubbs-adobe fire 2017: (e-plan) rebuild single family dwelling with attached adu. 4217 sf 4 bed 4 bathroom with attached 588 sf garage 844 sf deck 39 sf covered porches and new 1 bed/1bath attached 672 sf adu. (adu address is 3853 royal manor a) temp electrical meter and water meter needed for construction. deferred items: trusses landscape plan/pv installation/sprinklers. previous sq... see more
Valuation:
$1,000,000
Permit #:
B24-6912
Status:
issued
Fee:
$14,630
Permit Type:
N/A
Building Type:
N/A
Tubbs-adobe fire 2017: e-plan rebuild single family dwelling new two-story four bedroom three bathroom 3075 sf single family dwelling with 577 sf attached garage30 sf covered porch two open 420 + 414 sf decks and one covered 414 sf deck. 1 bedroom 1 bathroom 686 sf attached adu. (changed from single family dwelling with 5 bedrooms to single family dwelling with 4 bedrooms and 1 bedroo... see more
Valuation:
$800,000
Permit #:
B24-1847
Status:
final
Fee:
$7,998
Permit Type:
N/A
Building Type:
N/A
Installation of 1.73 kw (5) panel roof mounted photovoltaic system for adu and 3.1kw (8) panel roof mounted photovoltaic system for main dwelling (3724 & 3726 lakebriar place)
Valuation:
$10,000
Permit #:
B25-1409
Status:
final
Fee:
$417
Permit Type:
N/A
Building Type:
N/A
Remove and replace shingle roof on kindergarten building install new waterproof underlayment repair dry rot on 1 sheet of plywood and repair dry rot on facia boards install new edge metal and roof to wall metal
Valuation:
$12,195
Permit #:
B25-5526
Status:
issued
Fee:
$730
Permit Type:
N/A
Building Type:
N/A
Tubbs-adobe fire 2017: rebuild 2850 sf single family dwelling and 573 sf garage. original was 2848 sf. reconstruct per schellinger master plan #3 msp18-050 the following conditions are required: backflow: fire sprinklers will be required. a minimum 1” backflow device will be required per current city standards. an in-line check backflow per city standard. 875f or double check backflow... see more
Valuation:
$400,000
Permit #:
B19-1603
Status:
final
Fee:
$3,279
Permit Type:
N/A
Building Type:
N/A
Siding replacement of 24 lf at pump house 130 lf siding repair at maintenance building with like-for-like materials replace 18 sq.ft of comparable shingles at pump house replace man door and dry rot repairs to framing.replace 100 amp panel with 125 amp panel at pump house and maintenance building
Valuation:
$35,000
Permit #:
B20-2886
Status:
issued
Fee:
$1,229
Permit Type:
N/A
Building Type:
N/A
Detached garage - 600 sq ft
Valuation:
$135,000
Permit #:
BR21-02082-NEW
Status:
final
Fee:
$6,038
Permit Type:
N/A
Building Type:
N/A
Reroof home and repair dry rot on siding about 38 feet
Valuation:
N/A
Permit #:
BLD21-4760
Status:
issued
Fee:
$461
Permit Type:
N/A
Building Type:
N/A
Remodel master bath: r&r shower & tub w (n) demolish non-load bearing wall near water closet & addition 20a
Valuation:
$20,000
Permit #:
B19-0236
Status:
final
Fee:
$511
Permit Type:
Single family dwe...
Building Type:
N/A
Lift house and replace foundation place house back on new foundation. no exterior change to look of house. no lma required
Valuation:
$50,000
Permit #:
B18-2293
Status:
final
Fee:
$360
Permit Type:
N/A
Building Type:
N/A
Sfd- adding 398 sqft demolish 140 sq ft adding 570 sq ft covered porch
Valuation:
N/A
Permit #:
BLD18-5529
Status:
expired
Fee:
$4,266
Permit Type:
N/A
Building Type:
N/A
Demolish single family dwelling including foundation 1104 sq ft
Valuation:
N/A
Permit #:
DEM18-0377
Status:
expired
Fee:
$206
Permit Type:
N/A
Building Type:
N/A
Demolish single family dwelling including foundation 1456 sq ft
Valuation:
N/A
Permit #:
DEM18-0376
Status:
expired
Fee:
$206
Permit Type:
N/A
Building Type:
N/A
Repair replace foundation on single family dwelling
Valuation:
N/A
Permit #:
BLD18-4280
Status:
expired
Fee:
$1,251
Permit Type:
N/A
Building Type:
N/A
Permanently relocate (e) 100 amp service
Valuation:
N/A
Permit #:
BLD18-1075
Status:
final
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Permanently relocate (e) 100 amp service
Valuation:
N/A
Permit #:
BLD18-1073
Status:
final
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Change out main panel 125 amp
Valuation:
N/A
Permit #:
B17-0303
Status:
final
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
For (e) single family dwelling - remodel 1456 sq ft including altered walls - opening up wall at kitchen - create walk in closett replace sheetrock etc
Valuation:
N/A
Permit #:
BLD17-0451
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tubbs-adobe fire 2017: rebuild 1792 sf single family dwelling 436 sf garage and 192 sf covered porch. original home was 1480 sf the following conditions are required: backflow: fire sprinklers will be required so a minimum 1” backflow device will be required per current city standard 875 water meter: there is an existing 5/8” water meter serving this parcel. this will need to be upsiz... see more
Valuation:
$585,000
Permit #:
B18-3954
Status:
final
Fee:
$5,241
Permit Type:
N/A
Building Type:
N/A
Tubbs-adobe fire 2017: rebuild 2276 sf single family dwelling 433 sf garage and 102 sf covered porches. original single family dwelling 1951 sf the following conditions are required: backflow: fire sprinklers will be required so a minimum 1” backflow device will be required per current city standard 875 water meter: there is an existing 5/8” water meter serving this parcel. this will ... see more
Valuation:
$250,000
Permit #:
B18-4819
Status:
final
Fee:
$5,425
Permit Type:
N/A
Building Type:
N/A
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J WARNER ENTERPRISES Reviews
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J WARNER ENTERPRISES License info
Verified License
| License # | 1004203 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for J WARNER ENTERPRISES at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
29
Permits
- Building permit records show that J WARNER ENTERPRISES has worked on 29 permitted projects.
J WARNER ENTERPRISES Employees
JW
Jonathan Tyler Warner
Owner