Updated: Jul 17, 2026
Location and Projects
Address
1527 WILLOWSIDE ROAD, Santa Rosa, CA, 95401
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Ambrosini & Barton Construction Co Inc
Serving Santa Rosa and the greater Sonoma County area, Ambrosini & Barton Construction Co Inc brings three decades of experience to residential and commercial building projects. The company specializes in new home construction, remodels, and additions, with a project portfolio that includes both single-family residences and multifamily developments. Based in Santa Rosa, Ambrosini & Barton Construction Co Inc works closely with property owners and developers throughout the region to manage ground-up construction, structural renovations, and updates to existing properties. The firm is equipped to handle a wide range of construction phases, from site preparation through to final finishes, using established methods and building materials suited to California’s residential and commercial markets.
Ambrosini & Barton Construction Co Inc Services
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Ambrosini & Barton Construction Co Inc Contact Information
Phone Number: (707) 888-2888
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Address: 1527 WILLOWSIDE ROAD, Santa Rosa, CA 95401
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Ambrosini & Barton Construction Co Inc Santa Rosa
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ambrosini & Barton Construction Co Inc has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Ambrosini & Barton Construction Co 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.
Experience
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Ambrosini & Barton Construction Co Inc mostly works on
home addition
projects.
Pricing
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
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 Ambrosini & Barton Construction Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Legalize unpermitted work: remove (2) walls in garage returning the garage to its original state. wall removed upstairs to create (1) large bedroom from (2) bedrooms and added a fan and some electrical. remove unpermitted trellis and portion of unpermitted deck permit remaining detached deck. deck is not within the required easement. ce24-0221
Valuation:
$10,100
Permit #:
B24-4643
Status:
final
Fee:
$348
Permit Type:
N/A
Building Type:
N/A
Remodel bathroom replace (e) roman tub with new standing tub. new shower addition (1) duplex outlet and expand (1) existing duplex outlet to a two-gang outlet. install new wall and tile floor
Valuation:
$31,746
Permit #:
B23-6926
Status:
final
Fee:
$429
Permit Type:
N/A
Building Type:
N/A
Replace exterior siding as needed. ce24-0093. revised 11.3.25 replace existing window at breakfast nook with new patio slider exterior light and new attached 66.5 sf wui compliant deck. no plans required
Valuation:
$40,609
Permit #:
B25-5000
Status:
final
Fee:
$506
Permit Type:
N/A
Building Type:
N/A
Install two new windows to the south elevation of the family room; structural upgrades to south garage wall and addition four electric outlets to wall
Valuation:
$5,000
Permit #:
B20-1557
Status:
final
Fee:
$427
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel 170 sq. ft to include expansion of 2 windows
Valuation:
$40,000
Permit #:
B21-0766
Status:
final
Fee:
$455
Permit Type:
N/A
Building Type:
N/A
Addition to garage storage building 387 sq ft
Valuation:
N/A
Permit #:
BLD17-4505
Status:
final
Fee:
$1,380
Permit Type:
N/A
Building Type:
N/A
2017 complex fire 3012 sqft single family dwelling 629 sqft garage 2279 sqft deck evt17-04571
Valuation:
N/A
Permit #:
BLD18-1617
Status:
issued
Fee:
$8,971
Permit Type:
N/A
Building Type:
N/A
2017 complex fire 1250 sqft garage/shop evt17-04686 8/2/18: deferred truss calculations submitted
Valuation:
N/A
Permit #:
BLD18-2861
Status:
final
Fee:
$1,956
Permit Type:
N/A
Building Type:
N/A
Remodel 2 baths per plan. 6.5% of floor area
Valuation:
$29,000
Permit #:
B17-1231
Status:
final
Fee:
$337
Permit Type:
N/A
Building Type:
N/A
Extend gas line (no trenching)
Valuation:
N/A
Permit #:
BLD18-2958
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Remodel single family dwelling and convert 272 sq ft of garage to living area - relocate sub panel in kitchen to hallway & remodel kitchen and baths
Valuation:
N/A
Permit #:
BLD16-5779
Status:
final
Fee:
$1,620
Permit Type:
N/A
Building Type:
N/A
Remodel per plan.remove existing 5040 window in bedroom to establish rear door exit to include a 6068 solid core exterior door w/upper-half lite. includes new 2040 milgard white vinyl single hung window. addition four new 6 recessed can lights w/new switch in living room. addition new 14 diameter sun tube.replace existing tub and convert to fiberglass pan.replace light fixture with he... see more
Valuation:
N/A
Permit #:
B15-1833
Status:
final
Fee:
$653
Permit Type:
N/A
Building Type:
N/A
Remodel per plan.remove existing 5040 window in bedroom to establish rear door exit to include a 3068 solid core exterior door w/upper-half lite. includes new 2040 milgard white vinyl single hung window. addition four new 6 recessed can lights w/new switch in living room. addition new 14 diameter sun tube.replace existing tub and convert to fiberglass pan.replace light fixture with he... see more
Valuation:
N/A
Permit #:
B15-1834
Status:
final
Fee:
$653
Permit Type:
N/A
Building Type:
N/A
Remove existing bedroom window (5040) and replace with 3068 extension rear exit door and fill in with 1640 single-hung window. move one outlet. addition one exterior can light w/switch
Valuation:
$4,875
Permit #:
B15-3883
Status:
final
Fee:
$204
Permit Type:
N/A
Building Type:
N/A
Remodel of (e) kitchen remove (e) lowered ceiling and replace with new recessed ceiling. approx. 228 sf. under 50% of gross floor area fire sprinklers not required
Valuation:
$45,975
Permit #:
B21-2745
Status:
final
Fee:
$386
Permit Type:
N/A
Building Type:
N/A
Combine existing units 48 & 49 into one unit per plan. new address is unit 48 and unit 49 retired. per planning - site plan submitted establishes current dwelling unit count. future reversal of conversion maybe subject to density review per andrew trippel
Valuation:
$78,000
Permit #:
B17-4244
Status:
final
Fee:
$377
Permit Type:
N/A
Building Type:
N/A
Remove existing bedroom window (5040) and replace with 3068 extension rear exit door and fill in with 1640 single-hung window. move one outlet. addition one exterior can light w/switch. pour concrete porch
Valuation:
$10,200
Permit #:
B16-4841
Status:
final
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Interior remodel including plumbing electrical and mechanical. subject to field inspeciton for energy eff. including modification to closet and installation of solar lights
Valuation:
N/A
Permit #:
B13-4967
Status:
final
Fee:
$345
Permit Type:
N/A
Building Type:
N/A
Total restoration to unit #7 due to fire. includes replacing all drywall and electrical mechanical & plumbing repairs. change out existing window with new door per plans. ce17-0405
Valuation:
$108,000
Permit #:
B17-3222
Status:
final
Fee:
$1,031
Permit Type:
N/A
Building Type:
N/A
Remove existing drywall through out house. tested positive for asbestos j#4x699
Valuation:
$15,000
Permit #:
B16-4571
Status:
final
Fee:
$147
Permit Type:
N/A
Building Type:
N/A
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Ambrosini & Barton Construction Co Inc License info
Verified License
| License # | 1035515 |
| Status | Active |
| State | California |
| Type | Plumbing, General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Ambrosini & Barton Construction Co Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 556000 |
| Status | Inactive |
| State | California |
| Type | General Building, Plumbing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ambrosini & Barton Construction Co Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 533280 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ambrosini & Barton Construction Co Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 512902 |
| Status | Inactive |
| State | California |
| Type | Plumbing, General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ambrosini & Barton Construction Co Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 925630 |
| Status | Inactive |
| State | California |
| Type | General Building, Plumbing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ambrosini & Barton Construction Co Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
30
Permits
- Building permit records show that Ambrosini & Barton Construction Co Inc has worked on 30 permitted projects.
Ambrosini & Barton Construction Co Inc Employees
FB
Freeman Lee Barton
Rmo
RA
Robert Bruce Ambrosini
Rmo / Ceo / Pres