Updated: Jun 17, 2026
Location and Projects
Address
374 BLODGETT ST SUITE 4, Cotati, CA, 94931
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Roberts, Bill Roofing
Roberts, Bill Roofing, 374 Blodgett St, Cotati, CA (Employees: Ashley Nicole Roberts, Bill John Roberts, and Matthew Alan Mcdonald) holds a Contractor license and 2 other licenses according to the Butte County license board.
Their BuildZoom score of 112 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Roberts, Bill Roofing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Roberts, Bill Roofing Contact Information
Phone Number: (707) 284-1039
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Address: 374 BLODGETT ST SUITE 4, Cotati, CA 94931
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Roberts, Bill Roofing Cotati
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Roberts, Bill Roofing has a BuildZoom score of 112, which places them above 97% of 336,931 contractors in California.
Activity
|
156 projects
|
2025 |
|
256 projects
|
2024 |
|
115 projects
|
2023 |
Our building permit records indicate that Roberts, Bill Roofing has worked on at least
527.0 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
|
36 projects
|
Home Additions |
|
21 projects
|
New Constructions |
|
14 projects
|
Roofing projects |
Analyzing permits over the last 4 years shows that Roberts, Bill Roofing mostly works on
home addition
and new construction
projects.
Pricing
|
3 projects
|
< $5k |
|
147 projects
|
$5k-$20k |
|
39 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $15,800. 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.
Roberts, Bill Roofing Reviews
5 out of 5 stars, based on
1
review
-
By Wendy P.December 20, 2021Diagnose
Building Permits by Roberts, Bill Roofing
This is a sample of this contractor's permits. Click here to access their complete permit history.
Hvac permit: replacing air conditioning coil and furnace for 2 systems. this home is split in to two levels. its's an air b&b on one side. 2 systems for each level/side. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cf-1r-alt-hvac on file: carbon monoxide &... see more
Valuation:
$27,500
Permit #:
RES-2500133
Status:
issued
Fee:
$628
Permit Type:
N/A
Building Type:
N/A
Hvac permit: replaced gas package system unit and ducting-r-8. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cf-1r-alt-hvac on file: carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$18,500
Permit #:
RES-2509723
Status:
final
Fee:
$247
Permit Type:
N/A
Building Type:
Single family
Hvac permit: change out gas package unit to electric package. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cf-1r-alt-hvac on file: carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$20,000
Permit #:
RES-2509519
Status:
final
Fee:
$250
Permit Type:
N/A
Building Type:
Single family
Hvac permit: remove and replace gas package unit on the roof. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cf-1r-alt-hvac on file: carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$14,900
Permit #:
RES-2506434
Status:
final
Fee:
$235
Permit Type:
N/A
Building Type:
Single family
Hvac permit: change out-install one roof heat pump package unit. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cf-1r-alt-hvac on file: carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$15,500
Permit #:
RES-2502621
Status:
final
Fee:
$238
Permit Type:
N/A
Building Type:
Single family
Hvac permit: replacing split gas system with new air conditioning furnace. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cf-1r-alt-hvac on file: carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$18,049
Permit #:
RES-2502324
Status:
final
Fee:
$247
Permit Type:
N/A
Building Type:
Single family
Hvac c/o like for like. split system no ductwork. as noted on form cdd-0036 appliances heavier than 400lbs require engineering calculations. provide engineered calculations and specifications for anchorage of new hvac unit to existing structure per asce 7-16 §13.1.4 and §13.6 (e.g clips/fasteners from new hvac unit to existing curb/structure). all work subject to field inspection
Valuation:
$13,500
Permit #:
COM-2519870
Status:
final
Fee:
$441
Permit Type:
N/A
Building Type:
N/A
Water heater permit: replacing a natural gas water heater. water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are exempt). carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$3,900
Permit #:
RES-2509286
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
Single family
Residential: limited review - electrical mechanical plumbing roof solar etc
2025-08-29
Hvac c/o like for like same location change out package unit. replace ducting in attic and subfloor. with r8 new replacement: replace existing # of systems: 1 duct affected: 8 system type: package unit
Valuation:
$23,000
Permit #:
BLD25-02286
Status:
complete
Fee:
$186
Permit Type:
Alteration
Building Type:
N/A
No duct work permitted. change-out split system to split system. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%
Valuation:
$27,563
Permit #:
RES-2514264
Status:
final
Fee:
$275
Permit Type:
N/A
Building Type:
Single family
Replacing existing 3.5 ton split gas system with a new champion 3 ton split inverter full electric system. -scope of work as follows: -removal and disposal of old equipment. -set new 3 ton champion 17 seer2 inverter heat pump -new service disconnect with fuses -new electrical whip connector -clean refrigerant lines with proflush and properly charge -earthquake strap heat pump to new p... see more
Valuation:
$22,600
Permit #:
BLD24-02261
Status:
final
Fee:
$781
Permit Type:
HVAC wall furnanc...
Building Type:
N/A
Residential hvac (if structural design apply for miscellaneous houses duplex townhome mechanical
2025-08-05
Changeout to existing hvac system only. no additional electrical mechanical plumbing or structural work permitted.; r/r gas package unit on roof. replace existing ductwork 6 supplies + 1 return with a new r-8 ducting
Valuation:
$19,728
Permit #:
HACR2025-01978
Status:
complete
Fee:
$586
Permit Type:
N/A
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2025-01-31
Hvac c/o + water heater c/o like for like same locations 2 hvac units new replacement: replace existing # of systems: 2 duct affected: 0 system type: split system
Valuation:
$31,975
Permit #:
BLD25-00131
Status:
complete
Fee:
$501
Permit Type:
Alteration
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2025-06-18
Hvac c/o like for like same location 2 systems split system new replacement: replace existing # of systems: 2 duct affected: 0 system type: split system
Valuation:
$28,900
Permit #:
BLD25-02095
Status:
complete
Fee:
$344
Permit Type:
Alteration
Building Type:
N/A
Residential hvac (if structural design apply for miscellaneous houses duplex townhome mechanical
2025-03-14
Changeout to existing hvac system only. no additional electrical mechanical plumbing or structural work permitted.; change out - new gas furnace in closet
Valuation:
$8,308
Permit #:
HACR2025-00580
Status:
issued
Fee:
$358
Permit Type:
N/A
Building Type:
N/A
Hvac permit: replacing heat pump and air handler. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cf-1r-alt-hvac on file: carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$20,400
Permit #:
RES-2425198
Status:
final
Fee:
$253
Permit Type:
N/A
Building Type:
Single family
No duct work permitted. change-out split system to split system. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cf-1r-alt-hvac on file: carbon monoxide & smoke alarms required. reference crc sections r315 & r314. all work subject to field inspection
Valuation:
$15,650
Permit #:
RES-2423007
Status:
expired
Fee:
$238
Permit Type:
N/A
Building Type:
Single family
No duct work permitted. new install/new location (1) 4ton ge connect variable speed heat pump split system in attic. a unit will be installed in a new location. this unit will be fully screened behind a solid fence or alternatively behind shrubs or buildings providing screening resulting in the unit not being visible from any street views. roof top installations will be located on bac... see more
Valuation:
$19,784
Permit #:
RES-2422179
Status:
final
Fee:
$250
Permit Type:
N/A
Building Type:
Single family
Gas sewer city ondenser with matching coil - new champion 80% horizontal furnace -reuse existing drain line line set and flu -new pan and lifts for furnace -new drain switch -new gas flex and valve -new electrical pig tail -new condenser straps -new disconnect whip and fuses - locking cap on service valves - properly charge air conditioning - new thermostat - new sheet metal return pl... see more
Valuation:
$16,336
Permit #:
BLD24-01846
Status:
final
Fee:
$565
Permit Type:
HVAC wall furnanc...
Building Type:
N/A
Replacing existing 4 ton split gas system with a new champion 5 ton split system scope of work as follows: -removal and disposal of old equipment. -set new 5 ton champion modulating condenser and coil -new service disconnect with fuses -new electrical whip connector -clean refrigerant lines with proflush and properly charge -earthquake strap condenser to new pad -insulate refrigerant ... see more
Valuation:
$17,500
Permit #:
BLD24-01629
Status:
final
Fee:
$605
Permit Type:
HVAC wall furnanc...
Building Type:
N/A
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BZ Score
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BZ Score
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Avg Project
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BZ Score
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Avg Project
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Projects
Recent Buildzoom Projects
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Roberts, Bill Roofing License info
License Not Verified
| License # | 1057618 |
| Status | Active |
| City | Butte County |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of Roberts, Bill Roofing with the Butte County, CA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1073860 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Roberts, Bill Roofing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 748084 |
| Status | Active |
| State | California |
| Type | Roofing |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Roberts, Bill Roofing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
949
Permits
- Building permit records show that Roberts, Bill Roofing has worked on 949 permitted projects.
Roberts, Bill Roofing Employees
AR
Ashley Nicole Roberts
Officer
BR
Bill John Roberts
Sole Owner
MM
Matthew Alan Mcdonald
Sole Owner
WR
William Earle Roberts
Sole Owner
I was desperately trying to reach a company that could help me right away and this company did just that. They were very professional and got me an appointment the day I needed it. Also, some thing that mattered to me, was that they quoted me a diagnostic fee that was more reasonable than the others and they told me that they apply that diagnostic fee to any repairs they may have to do. It turned out it was just batteries that needed to be replaced so I had to cancel that appointment but I will certainly use them for the future.