Updated: Mar 30, 2026
Location and Projects
Address
4285 VERNON AVENUE, Riverside, CA, 92509
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William J Warner Architect
William J Warner at 4285 VERNON AVENUE, Riverside, CA 92509, held a Architect license (#784827) with the California contractors license board with an expiration date of 08-01-2018. We last verified the license was inactive on 03-29-2026.
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.
William J Warner Services
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William J Warner Contact Information
Phone Number: (951) 685-6181
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Address: 4285 VERNON AVENUE, Riverside, CA 92509
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Permit extension of permit #96vn 02034 work 95% completed. interior remodel extend existing deck addition patio lattice and bathroom room - see original permit description
Valuation:
N/A
Permit #:
01014-20000-00850
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
15sf monument sign 4 tall and oriented parallel to fern redlands professional building a-p zone
Valuation:
$0
Permit #:
S15-02231
Status:
final
Fee:
$388
Permit Type:
N/A
Building Type:
N/A
15sf monument sign 4 tall and oriented parallel to fern redlands professional building a-p zone
Valuation:
N/A
Permit #:
S15-02231
Status:
final
Fee:
$388
Permit Type:
N/A
Building Type:
N/A
Permit extension of permit #96vn 02033 work 95% completed. retaining wall - see original permit description
Valuation:
N/A
Permit #:
01020-20000-00460
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
R13-0021
Status:
PMTRECD
Fee:
$153
Permit Type:
N/A
Building Type:
N/A
Install driveway to county standards on the east side of linden street 03 miles north of center street located in el verano
Valuation:
$0
Permit #:
ENC99-0089
Status:
FINALED
Fee:
$151
Permit Type:
N/A
Building Type:
N/A
New non-illuminated information sign. (17sf - sign area)
Valuation:
N/A
Permit #:
05048-30000-00211
Status:
final
Fee:
N/A
Permit Type:
Onsite
Building Type:
N/A
Signage for acms in ste 119
Valuation:
$0
Permit #:
BSN100050
Status:
FINAL
Fee:
$427
Permit Type:
N/A
Building Type:
N/A
New 2-story single family dwelling (1844 sf) w attach garage (428 sf)
Valuation:
N/A
Permit #:
04010-10000-02204
Status:
CofO Issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
(1) dwelling - si...
Painted wall sign - bear forest products inc
Valuation:
$0
Permit #:
BSN020126
Status:
FINAL
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Horse barn 1296 sq ft agric m-1 v-n 1296 10148
Valuation:
$0
Permit #:
201105
Status:
FINALED
Fee:
$221
Permit Type:
N/A
Building Type:
N/A
Renwal of permit #93-0686
Valuation:
N/A
Permit #:
BLD1995-01691
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2- directional map signs - the villas at moreno valley
Valuation:
$2,300
Permit #:
B0600621
Status:
final
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
Permit for one monument sign ( 8 ft by 4 ft high) for mounta - permit for one monument sign ( 8 ft by 4 ft high) for mountain crest townhomes apartments as proposed in approved construction documents
Valuation:
N/A
Permit #:
PMT08-02120
Status:
final
Fee:
$263
Permit Type:
M-fam residential
Building Type:
N/A
Permit for a monument entry sign for maple hill luxury apar - permit for a monument entry sign for maple hill luxury apartments as proposed in approved construction documents. sign a located @ west corner of entrance to site
Valuation:
N/A
Permit #:
PMT07-07198
Status:
final
Fee:
$271
Permit Type:
S-fam residential
Building Type:
N/A
Permit for a monument entry sign for maple hill luxury apar - permit for a monument entry sign for maple hill luxury apartments as proposed in approved construction documents. sign b located @ east corner of entrance to site
Valuation:
N/A
Permit #:
PMT07-07199
Status:
final
Fee:
$271
Permit Type:
S-fam residential
Building Type:
N/A
Permit for sign: mount cast aluminum letters on brickwall - permit for sign: mount cast aluminum letters on brickwall the courtyard senoir apartments living a division of atlantic realty
Valuation:
N/A
Permit #:
PMT06-05230
Status:
final
Fee:
$68
Permit Type:
M-fam residential
Building Type:
N/A
Electrical panel change out. 100 to 200 amp
Valuation:
$3,500
Permit #:
05-10-113
Status:
Finaled
Fee:
$81
Permit Type:
N/A
Building Type:
Commercial
New 2-story single family dwelling (1844 sf) w attach garage (428 sf)
Valuation:
N/A
Permit #:
04010-10000-02204
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Hanging sign at building entrance
Valuation:
N/A
Permit #:
B200703702
Status:
final
Fee:
$124
Permit Type:
Miscellaneous
Building Type:
N/A
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William J Warner License info
Inactive License
| License # | 784827 |
| Status | Inactive |
| State | California |
| Type | Non Electrical Sign Installation |
| Business Type | Sole Ownership |
- 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 William J Warner at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C17117 |
| Status | Inactive |
| State | California |
| Type | Architect |
| Business Type | Sole Ownership |
- 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 William J Warner at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
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Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
18
Permits
- Building permit records show that William J Warner has worked on 18 permitted projects.
William J Warner Employees
WJ
William John Warner Jr
Sole Owner