Updated: Dec 15, 2025
Location and Projects
Address
29433 PROMONTORY PLACE, Agoura Hills, CA, 91301
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Diederichs Francis C Architect
Diederichs Francis C at 29433 PROMONTORY PLACE, Agoura Hills, CA 91301, held a Architect license (#133449) with the California contractors license board with an expiration date of 09-30-2002. We last verified the license was expired on 12-14-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Diederichs Francis C Services
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Diederichs Francis C Contact Information
Phone Number: (818) 889-3628
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Address: 29433 PROMONTORY PLACE, Agoura Hills, CA 91301
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition interior non-bearing partition wall to create new office area and hallway. upgrade (e) bathroom to h/c bathroom. comply with department order dated 03/14/2008 permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
08016-20000-05245
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
To convert an existing covered patop into a deck and to extend the new deck. at a separate location to addition a trellis at rear
Valuation:
N/A
Permit #:
12014-20000-04021
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remove (e)26 x 12'-6 trellis patio cover and addition (n)24 x 12'-6 irreg. shaped trellis patio cover per architect
Valuation:
N/A
Permit #:
12014-20000-03371
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New detached patio cover (20'x14') and bbq area per architect's plans
Valuation:
$20,000
Permit #:
13010-20000-03668
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Two proposed site retaining walls per city standard details (h = 4'0 l = 75 lin ft)
Valuation:
N/A
Permit #:
12020-20000-01521
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to reroof front portion of house - tear off existing - install 1/2 osb plywood and class a comparable shingles (approx 12 sqs.)
Valuation:
N/A
Permit #:
04014-20001-08420
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Propose 16'x18'-6 addition to (e) accessory building and remodel existing ** building need to be at least 55 away from front yard setback
Valuation:
N/A
Permit #:
01014-20000-06780
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 8'0 x 15'0 open trellis patio cover per engineered plans
Valuation:
N/A
Permit #:
12010-20000-01990
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addendum to plans approved under application #97014-10000-03936. 2'x9 bedroom extension for window seat below ex'g 2nd floor cantilever
Valuation:
N/A
Permit #:
97014-30001-03936
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remove damaged fire place at north side of wall and remodel north side of wall with biger doors and windows by engineered design
Valuation:
N/A
Permit #:
03014-20001-02663
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition 18'-6 x 14 patio cover per engineered plans
Valuation:
N/A
Permit #:
12014-20000-02552
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(14 x 30') recreation room with 1/2 bathroom & max. 10sf of counter space w bar sink at max. 12"x12 x9 deep (no hot water)
Valuation:
N/A
Permit #:
04010-20000-05411
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to (e) sfd/att. garage: (17 x 20') covered patio (3'x9") porch and (7'8"x7'9") bathroom (under exist. roof)
Valuation:
N/A
Permit #:
05014-20000-05184
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition 46'6 x 12 irr-shaped 1-story addition (family rm/bedrm extension closet). <476 sqft>
Valuation:
N/A
Permit #:
04014-20000-08420
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Proposed partial 2nd floor addition to the top of existing single family dwelling with attached garage. & remodel existing house
Valuation:
N/A
Permit #:
03014-20000-02663
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
No work description available
Valuation:
N/A
Permit #:
12030-20000-04288
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition of 2nd story deck (12'-0 x 17 - 6") to rear of (e) single family dwelling per architect
Valuation:
N/A
Permit #:
10014-20000-02868
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Proposed 17'-0"x24'-0 bedroom & bathroom addition to rear of existing 1-story single family dwelling per engineered plans
Valuation:
N/A
Permit #:
05014-20000-09862
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit: enclose proposed 20'x18 carport and convert 20'x18 to garage per engineered plans
Valuation:
N/A
Permit #:
05010-20001-05547
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Retaining wall backfill
Valuation:
N/A
Permit #:
12030-20000-03482
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Diederichs Francis C License info
Inactive License
| License # | 133449 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 Diederichs Francis C at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C16520 |
| Status | Inactive |
| State | California |
| Type | Architect |
- According to the California Architect 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 Diederichs Francis C at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
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- *No active license on file. If you are Diederichs Francis C, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $5,000 |
30
Permits
- Building permit records show that Diederichs Francis C has worked on 30 permitted projects.
Diederichs Francis C Employees
DC
Diederichs Francis C
Owner
FD
Francis C Diederichs
Sole Owner