Updated: May 26, 2026
Location and Projects
Address
Royal Oak, MI, 48073
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Prothero, Robert John Construction
Prothero, Robert John, Royal Oak, MI holds a Residential Builder Individual license and 2 other licenses according to the Michigan license board.
Their BuildZoom score of 92 ranks in the top 32% of 167,179 Michigan licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Prothero, Robert John, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Prothero, Robert John Services
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Prothero, Robert John Contact Information
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Prothero, Robert John Royal Oak
Quality
92
68th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Prothero, Robert John has a BuildZoom score of 92, which places them above 68% of 167,179 contractors in Michigan.
Activity
|
2 projects
|
2025 |
|
7 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Prothero, Robert John has worked on at least
12.0 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 Prothero, Robert John mostly works on
home addition
projects.
Pricing
|
3 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
2 projects
|
$100k-$250k |
The typical size of their permits is approximately $8,000. 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.
Building Permits by Prothero, Robert John
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remove all plaster in the house -install all new insulation -install all new drywall and trim -change location of stairs addition a new bathroom remodel existing bathroom total -new whorehouse electrical -new whorehouse hvac -new whole house plumbing -new roof -fix front porch 1/25/2023 bobby prothero requested the deck be removed from this building permit. he will apply later for a s... see more
Valuation:
$100,000
Permit #:
PB23-00003
Status:
final
Fee:
$1,243
Permit Type:
Alteration
Building Type:
N/A
Tree fell in the house so we have to fix some facia and soffit building back to existing adding a new roof with ice and water tar paper and new three dimensional shingles tear off and replace shingles replace soffit and facia aluminum
Valuation:
$6,000
Permit #:
PB24-02553
Status:
suspended
Fee:
$142
Permit Type:
Alteration
Building Type:
N/A
Rear second story addition above family room with master bathroom master bedroom and new first floor kitchen
Valuation:
$150,000
Permit #:
PB24-00414
Status:
issued
Fee:
$1,909
Permit Type:
Addition
Building Type:
N/A
Constructing new home with existing footings and two walls remaining from demolition of existing home. 1680 sq ft
Valuation:
N/A
Permit #:
PB 23-0255
Status:
final
Fee:
$1,570
Permit Type:
Remodel
Building Type:
N/A
Adding 3 walls in exterior of basement walls installing r-13 insulation in walls adding a couple electrical plugs and some ceiling can lights - installing newel post with a spinal handrail
Valuation:
$8,000
Permit #:
PB22-02280
Status:
issued
Fee:
$242
Permit Type:
Finished basement
Building Type:
N/A
Remove existing front deck with roof above it is falling with no footings rebuild deck with 6 footing reattach roof
Valuation:
$7,000
Permit #:
PB23-00708
Status:
final
Fee:
$144
Permit Type:
Deck
Building Type:
N/A
Interior demolition - repair floor joist strip kitchen and bathroom
Valuation:
N/A
Permit #:
PB 23-0127
Status:
final
Fee:
$250
Permit Type:
Remodel
Building Type:
N/A
Remove 1/2 bathroom to make larger master bathroom and closet drywall electrical insulation plumbing tile and trim
Valuation:
$20,000
Permit #:
PB22300
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace driveway from city sidewalk to 6 behind house
Valuation:
N/A
Permit #:
PC 24-0145
Status:
final
Fee:
$170
Permit Type:
Concrete
Building Type:
N/A
Ill be demoing the kitchen plaster to expose framing billing permit already applied for for a new addition
Valuation:
$2,000
Permit #:
PB24-00493
Status:
final
Fee:
$100
Permit Type:
Interior demolition
Building Type:
N/A
Replacing 2 city sidewalk squares
Valuation:
N/A
Permit #:
PC 24-0144
Status:
final
Fee:
$30
Permit Type:
Concrete
Building Type:
N/A
Adding a second story master bathroom adding a wall to divide the bedroom room from bathroom
Valuation:
$35,000
Permit #:
PB23-00055
Status:
final
Fee:
$467
Permit Type:
Alteration
Building Type:
N/A
Remove shingles install ice and water tire paper drip edge vents house only
Valuation:
$3,500
Permit #:
PB240758
Status:
applied
Fee:
N/A
Permit Type:
Residence roof
Building Type:
N/A
Remove and replace shingles drip edge tar paper for garage
Valuation:
$1,200
Permit #:
PB24-01657
Status:
final
Fee:
$100
Permit Type:
Roof
Building Type:
N/A
Installing 48 feet of fence on side of house with gate
Valuation:
N/A
Permit #:
PF23-00278
Status:
final
Fee:
$65
Permit Type:
Standard
Building Type:
N/A
Adding a second floor bathroom in an old closet toilet bathtub vanity
Valuation:
$25,000
Permit #:
PB25-02126
Status:
suspended
Fee:
$40
Permit Type:
Alteration
Building Type:
N/A
Due to storm re shingle house
Valuation:
$8,000
Permit #:
PB24-01656
Status:
final
Fee:
$100
Permit Type:
Roof
Building Type:
N/A
Alteration single family residential residential
2019-07-17
Cut the foundation wall and install a 5 doorwall in basement
Valuation:
$5,000
Permit #:
PBLD2019-01404
Status:
final
Fee:
$115
Permit Type:
Alteration
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PF18-00181
Status:
final
Fee:
$65
Permit Type:
Construction
Building Type:
N/A
Demolish kitchen and dinning room to studs remove one load bearing wall (only carrying floor load) installing 11 1/4 lvl with solid bearing to cement foundation wall under beams - installing new insulation -new drywall - new hardwood floors - keeping existing plumbing - new electrical - new kitchen cabinets
Valuation:
$30,000
Permit #:
PB22-01288
Status:
applied
Fee:
$40
Permit Type:
Alteration
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Prothero, Robert John License info
Verified License
| License # | 2101205143 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Prothero, Robert John at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2101205143 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- When BuildZoom last verified this license, it had an expiration date of May, 2025. Check the current license status of Prothero, Robert John with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2101205143 |
| Status | Inactive |
| State | Michigan |
| Type | Builder Individual |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Prothero, Robert John at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
29
Permits
- Building permit records show that Prothero, Robert John has worked on 29 permitted projects.