Updated: Sep 12, 2025
Location and Projects
Address
7836 WENTWORTH ST, Sunland, CA, 91040
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Blackwell Robert Michael Architect
Their BuildZoom score of 0 does not rank in the top 50% of California contractors.
If you are thinking of hiring Blackwell Robert Michael, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Blackwell Robert Michael Services
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Blackwell Robert Michael Contact Information
Address: 7836 WENTWORTH ST, Sunland, CA 91040
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Blackwell Robert Michael Sunland
Quality
Alert*
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We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Blackwell Robert Michael, click “This is My Business” to update your information.
Activity
|
1 project
|
2025 |
|
4 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Blackwell Robert Michael has worked on at least
7.0 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 Blackwell Robert Michael mostly works on
home addition
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $60,500. 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 Blackwell Robert Michael
This is a sample of this contractor's permits. Click here to access their complete permit history.
Irr. 38 x 29 attached accessory dwelling unit addition to ex 1-story single family dwelling w attach garage via 14'-6 x 7 breezeway per gcs 66323(a)(1). construction design per architect
Valuation:
$120,000
Permit #:
25010-20000-01903
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New detached accessory dwelling unit per gcs 65852.2(e)(1)(b) and lamc 12.22 a.33(c), (d) and (g)
Valuation:
$25,000
Permit #:
23010-20000-03054
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel (e) ground floor bathroom (exterior access only) to addition new shower and convert (e) second floor accessory living quarters to accessory dwelling unit (750 sq ft) per lamc 12.22 a.33(c) and (d)
Valuation:
$15,000
Permit #:
20016-20000-26374
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(cugu-addition) propose 60'x80 one story warehouse addition to (e) one story warehouse
Valuation:
$288,000
Permit #:
22014-20000-06357
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Addition 18’-0” x 34’-0” 1-story accessory dwelling unit per ab 494 and sb 229 to an (e) detached garage. all work per design
Valuation:
$56,000
Permit #:
19014-20000-05770
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***void-withdrawn**3rd floor addition to existing single family with attached garage. comply with department order effective date 08/12/2015. permit will expire 30 days from issuance date
Valuation:
$74,000
Permit #:
18016-10000-06686
Status:
withdrawn
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tenant improvement merging (2) suites and creating office/counseling suite aim academy
Valuation:
$83,800
Permit #:
1607060033
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Supplemental to permit #: 19014-20000-05770 to change ownership
Valuation:
$501
Permit #:
19014-20001-05770
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Room addition to rear of single family dwelling
Valuation:
$30,000
Permit #:
19014-70000-05328
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New covered patio in rear with solid roof 471 sf
Valuation:
$35,000
Permit #:
1804160006
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition to (e) 1-story single family dwelling
Valuation:
$30,000
Permit #:
18014-10000-01634
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Suppl. permit to 15014-20000-04247 to revise work description to read new 20'-6 x 27'-6 det. irr. recroom & 7 x 11 irr. pool bathroom w outside access only (to pool area) and 7'-0 x 38'-6 irr. storage in lieu of remodel/addition of previous permit and revise plot plan
Valuation:
$501
Permit #:
15014-20003-04247
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Two story addition to one story sfd/garage. addition bedroom at first floor and family room with 3/4 bathroom at second floor. change interior layout. eliminate one existing bedroom and combine with living room. final layout 3 bedrooms and 2 bathrooms. new balconey projecting into frontyard
Valuation:
$95,000
Permit #:
14014-20000-04968
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to: 11016-20000-21439. remodel (e) covered patio 219 sq. ft addition 141 sq. ft from lower level to upper level (stairway). updated structural inventory in reference with original permit. additional electrical work including to relocate electrical service meter (200 amp) and new 200 amp main panel and new 100 amp sub panel
Valuation:
$12,000
Permit #:
11016-20001-21439
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace one beam posts relocate washer/dryer (upper level) water heater (to carport) convert service area on lower level to bathroom room & convert storage room to sitting room. repair and partially infill walls adjoining to family room (& stairway) replace exterior handrail & guard. remodel interior at upper level
Valuation:
$40,000
Permit #:
11016-20000-21439
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Single family residence remodel (5) bathrooms re-tile powder bathroom hall bathroom laundry room addition (2) bathrooms
Valuation:
$95,000
Permit #:
X2021-3051
Status:
final
Fee:
$2,629
Permit Type:
N/A
Building Type:
N/A
Proposed 330 long by max. height 10'-0"( max. height in req. front yard from (e) grade is 3'-6 & max. height in req. side yard from (e) grade is 6'-0") site retaining walls. supported by grade beams & piles *** the retaining walls under this permit hase been canceled.*** ***void***void***void****void**
Valuation:
N/A
Permit #:
08020-20000-00618
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior changes to single family dwelling & reduction of exterior deck area; under permit 08010-20000-00441 and correct floor area shown on certificate of occupancy. correct floor area is 4395.5 sqft
Valuation:
N/A
Permit #:
12016-10000-17569
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental-15016-10000-18659. convert existing closet to half bathroom -under stairs- in unit in a 4 unit apartment
Valuation:
$501
Permit #:
15016-10001-18659
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Revise permit 14014-20000-04968: inceasing size of second story addition: addition storage closet and enlarge new restroom
Valuation:
$18,000
Permit #:
14014-10001-04968
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Blackwell Robert Michael License info
License Not Verified
| License # | C14736 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of September, 2025. Check the current license status of Blackwell Robert Michael with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
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62
Permits
- Building permit records show that Blackwell Robert Michael has worked on 62 permitted projects.
Blackwell Robert Michael Employees
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Blackwell Robert Michael
Owner