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Updated: May 21, 2026
Location and Projects
Address
3236 Dutton Ave, Santa Rosa, CA, 95407
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Wolff Contracting Engineer
Wolff Contracting, 3236 Dutton Ave, Santa Rosa, CA (Owned by: Michael Wolff) holds a General Building, Building Moving, Demolition, General Engineering, Plumbing license according to the California license board.
Their BuildZoom score of 109 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Wolff Contracting, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Wolff Contracting Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Foundations
Other Concrete
Structural Engineering
Other Architecture and Engi...
Demolition
Paving, Driveways, and Side...
Wolff Contracting Contact Information
Phone Number: (707) 799-4910
Address: 3236 Dutton Ave, Santa Rosa, CA 95407
Wolff Contracting Santa Rosa
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Wolff Contracting has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
6 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Wolff Contracting has worked on at least
13.0 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
|
4 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Wolff Contracting mostly works on
home addition
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$20k-$50k |
|
2 projects
|
$100k-$250k |
The typical size of their permits is approximately $72,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
North building (building a) - convert existing office building into (7) units. major renovation and re-construction of existing building: new fixtures finishes mechanical electrical plumbing foundation and framing system upgrades fire suppression insulation as necessary for code compliance. see b21-0784 for south building and b21-0801 for site improvements accessory buildings see prj... see more
Valuation:
$1,456,630
Permit #:
B21-0786
Status:
final
Fee:
$88,839
Permit Type:
N/A
Building Type:
N/A
South building (building b") - create (7) attached units from existing office building. major renovation and re-construction of existing building: new fixtures finishes mechanical electrical plumbing foundation and framing system upgrades fire suppression insulation as necessary for code compliance. see b21-0786 for north building and b21-0801 for site improvements accessory structur... see more
Valuation:
$1,237,206
Permit #:
B21-0784
Status:
final
Fee:
$81,923
Permit Type:
N/A
Building Type:
N/A
Splitting water meter and installing two new water service lines for duplex (1594 & 1596 orchard st). includes remove section of sidewalk to expose existing water meter - install a t on inlet water line and extend line over to addition an additional water meter so both units are metered separately. install manifold for second 5/8 meter per city standard 864. ep23-0943 & u23-060
Valuation:
N/A
Permit #:
B23-5858
Status:
expired
Fee:
$215
Permit Type:
N/A
Building Type:
N/A
Tubbs-adobe fire 2017: rebuild 1710 sf single family dwelling with attached 631 sf adu. (original was 1557 sf adding 784 sf) 495 sf garage 48 sf deck and 135 sf covered porch. (school fees.) (adu address is 1402 tuliptree rd.) coffey park area permits: the following conditions are required: backflow: fire sprinklers will be required. a minimum 1” backflow device will be required per e... see more
Valuation:
$400,000
Permit #:
B19-0975
Status:
final
Fee:
$5,508
Permit Type:
N/A
Building Type:
N/A
Interior remodel for loring smart roast - relocate bearing wall reuse electrical stub in new wall for outlet accessibility upgrades to bathroom and accessible parking. see ce23-0922
Valuation:
$44,000
Permit #:
B23-5718
Status:
final
Fee:
$4,680
Permit Type:
N/A
Building Type:
N/A
Site work including parking lot repair new sidewalks fencing parking landscape lighting future electric vehicle station trash enclosure bike parking electrical room & storage rooms site and building accessibility features. see b21-0784 and -0786 for the apartment buildings on same plan set 3/7/22 revision: changing to replacing existing slab and existing walls with new slabs and walls... see more
Valuation:
$248,840
Permit #:
B21-0801
Status:
final
Fee:
$1,951
Permit Type:
N/A
Building Type:
N/A
Existing glass solarium to be replaced with convention roof and fixed glass windows
Valuation:
$20,000
Permit #:
BLD23-3886
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Refer to 201406249298 s5. revisions to fire alarm permit drawings. added monitoring points required for fuel oil & generator system. relocation of fire alarm control panel. miscellaneous component location changes
Valuation:
$80,000
Permit #:
202007160330
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Demo- vbu22-0385 remove wood roof framing from around mobile home. mobile home deck/porch to remain untouched
Valuation:
N/A
Permit #:
DEM22-0620
Status:
final
Fee:
$724
Permit Type:
N/A
Building Type:
N/A
Demolition of fire damaged garage roof - reframing and installing new roof (520 sf) with second story storage loft. update electrical outlets and fixtures in kitchen and bedrooms. plumbing and drywall repair in garage laundry room and bathroom - demolish of damaged area finaled under b23-6612. relocate washer and dryer. relocate water heater and change to recirculating pump
Valuation:
$35,000
Permit #:
B24-5712
Status:
issued
Fee:
$2,868
Permit Type:
N/A
Building Type:
N/A
Replace glass solarium with conventional glass panes and sloped roof (240sf)
Valuation:
N/A
Permit #:
BLD23-3982
Status:
final
Fee:
$1,159
Permit Type:
N/A
Building Type:
N/A
Tubbs-adobe fire 2017: temporary housing for three rv's to include temporary power. all temporary structures shall be removed from the site prior to issuance of a certificate of occupancy for a permanent residence on site or within three (3) years of building permit issuance whichever is sooner. if not connecting to sewer applicant is required to secure and maintain a contract with a ... see more
Valuation:
$500
Permit #:
B19-4950
Status:
final
Fee:
$2
Permit Type:
N/A
Building Type:
N/A
2020 glass fire - 1150 sqft detached garage/barn; 700 sqft patio - evt20-00589
Valuation:
N/A
Permit #:
BLD21-7443
Status:
final
Fee:
$2,162
Permit Type:
N/A
Building Type:
N/A
Install (2) new 30 flag poles at entrance to parking lot. 1 - american 1 - state of ca. max flag length of 7.5
Valuation:
$2,800
Permit #:
B19-5341
Status:
final
Fee:
$256
Permit Type:
N/A
Building Type:
N/A
Hooking up to sewer lateral. and running sewer 100 ft to house. per jesse oswald meets 2 other trades with earth moving and landscaping no additional encroachment permit required per shelli allen
Valuation:
N/A
Permit #:
B19-4589
Status:
final
Fee:
$187
Permit Type:
N/A
Building Type:
N/A
Peninsula combination building permit to remove addition to (e) 2-story single family residence and restore to original. work to include removing sunroom with deck above and remove all exterior wood decks ramp and stairs adjacent to sunroom. rs-1-7 esl geohaz 53 earthquake haz cat 12
Valuation:
$1
Permit #:
1972252
Status:
complete
Fee:
$327
Permit Type:
Add/alt 1 or 2 fa...
Building Type:
N/A
Reconfigure interior walls - installing curb ramp - restriping hc parking - hardship form provided - fire sprinkler relocations/spacing may need separate fire department permit
Valuation:
$18,480
Permit #:
B15-1962
Status:
final
Fee:
$1,346
Permit Type:
N/A
Building Type:
N/A
Demolish and remove derelict abandoned structure/cabin on remote 25 acre lot
Valuation:
N/A
Permit #:
DEM23-0365
Status:
final
Fee:
$215
Permit Type:
N/A
Building Type:
N/A
Res-pool remodel to bring up to standard code
Valuation:
N/A
Permit #:
BLD22-4455
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire debris cleanup **usa all underground utilities prior to earthwork. call 811 **properly licensed and certified contractors and specialists must be utilized to **perform asbestos and hazmat testing and removal **erosion control bmps must be utilized to stabilize the site during and after debris removal **if foundation will be left in-place; analysis will be required by a licensed e... see more
Valuation:
$1
Permit #:
B18-0094
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wolff Contracting Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Wolff Contracting License info
Verified License
| License # | 953433 |
| Status | Active |
| State | California |
| Type | General Building, Building Moving, Demolition, General Engineering, Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Wolff Contracting at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |
58
Permits
- Building permit records show that Wolff Contracting has worked on 58 permitted projects.
Wolff Contracting Employees
MW
Michael Robert Wolff
Sole Owner
MW
Michael Wolff
Owner