Updated: Aug 27, 2025
Location and Projects
Address
1730 Sonoma Blvd, Vallejo, CA, 94590
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John Howland Architect
John Howland, 1730 Sonoma Blvd, Vallejo, CA (Owned by: Howland John Clayton) holds a Architect license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John Howland, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John Howland Services
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Addition Design
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Basement Design
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Industrial Building Design
Kitchen Design
Modular Home Design
Multi-Family Building Design
Office Building Design
Office Space Designer
Pool House Design
Restaurant Design
Retail Design
Sunroom Design
Warehouse Design
John Howland Contact Information
Phone Number: (707) 552-9925
Address: 1730 Sonoma Blvd, Vallejo, CA 94590
This is a sample of this contractor's permits. Click here to access their complete permit history.
New single family dwelling (1901 sf) deck (802 sf) the valayev residence at 22083 lee drive is a three bedroom two story single family residence which will be used as a vacation home. the site is on the east side of lee drive which is on the east side of hwy 1. the lot is 1.34 acers. the property is zoned rural residential. the house will be set back 76 feet from lee drive and 34 feet... see more
Valuation:
N/A
Permit #:
BLD25-2759
Status:
resubmittal requested
Fee:
$3,408
Permit Type:
N/A
Building Type:
N/A
*temp occ granted 4/22/25* new single family dwelling (838 sf) with covered porch (78 sf) & deck (155 sf)
Valuation:
N/A
Permit #:
BLD22-1977
Status:
issued
Fee:
$19,321
Permit Type:
N/A
Building Type:
N/A
400 amp panel and rewire
Valuation:
N/A
Permit #:
EL24-00120
Status:
issued
Fee:
$758
Permit Type:
Alteration/rewire
Building Type:
N/A
Convert 2nd story garage space to conditioned studio (192 sf) w new 2nd story deck (120 sf) *revised plans uploaded per well/septic comments routed 7/6/23*
Valuation:
N/A
Permit #:
BLD22-8600
Status:
issued
Fee:
$2,111
Permit Type:
N/A
Building Type:
N/A
New adu 1016 s.f
Valuation:
N/A
Permit #:
BLD22-8614
Status:
final
Fee:
$13,733
Permit Type:
N/A
Building Type:
N/A
Coastal permit without hearing for new single family dwelling. request for coastal permit without hearing for a new 1, 189 sq ft single family dwelling on a 1.5 acre parcel east of hwy 1 within the coastal zone
Valuation:
$0
Permit #:
CPN15-0007
Status:
PAID
Fee:
$2,231
Permit Type:
N/A
Building Type:
N/A
Coastal permit for new single family dwelling request for a coastal permit with no hearing for a new 2, 124 sq ft single family dwelling with attached garage on a 1.51 acre parcel
Valuation:
$0
Permit #:
CPN13-0007
Status:
INC_APP
Fee:
$2,151
Permit Type:
N/A
Building Type:
N/A
Coastal permit for single family dwelling request for a coastal permit with no hearing for a single family residence within the timber cove subdivision on 1 acre. 2/23/2006 request for a one-year extension of time to meet conditions of a previously apporved coastal permit for a new single family dwelling
Valuation:
$0
Permit #:
CPN03-0019
Status:
DONE
Fee:
$1,149
Permit Type:
N/A
Building Type:
N/A
New single family dwelling w/attached garage...sprinklered & deck
Valuation:
N/A
Permit #:
BLD13-5470
Status:
final
Fee:
$20,755
Permit Type:
N/A
Building Type:
N/A
Costal permit for new single family dwelling request for a costal permit with no hearing for a new single family dwelling in timber cove on 1.33 acres
Valuation:
$0
Permit #:
CPN04-0009
Status:
DONE
Fee:
$971
Permit Type:
N/A
Building Type:
N/A
Coastal permit for new single family dwelling request for a coastal permit with no hearing for a 1134 sq ft single family dwelling on a 1.34 acre parcel
Valuation:
$0
Permit #:
CPN06-0002
Status:
WITHDRWN
Fee:
$1,033
Permit Type:
N/A
Building Type:
N/A
New sfd/w covered porch
Valuation:
N/A
Permit #:
B-152452
Status:
final
Fee:
$7,821
Permit Type:
N/A
Building Type:
N/A
Partially encl. assembly area at hall of flowers
Valuation:
N/A
Permit #:
B-141551
Status:
final
Fee:
$985
Permit Type:
N/A
Building Type:
N/A
New detached garage
Valuation:
N/A
Permit #:
B-152453
Status:
final
Fee:
$587
Permit Type:
N/A
Building Type:
N/A
New single family dwelling with porch
Valuation:
$132,856
Permit #:
BLD03-6275
Status:
PC EXPD
Fee:
$10,806
Permit Type:
N/A
Building Type:
N/A
Replace existing electrical service meter/panel
Valuation:
N/A
Permit #:
BLD25-5201
Status:
issued
Fee:
$375
Permit Type:
N/A
Building Type:
N/A
Retaining wall 135 lf. in conjunction with new construction of single family dwelling #bldg25-2759
Valuation:
N/A
Permit #:
BLD25-4602
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Resubmittal
Valuation:
N/A
Permit #:
BLD22-4404
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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John Howland License info
Verified License
| License # | C14886 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom has not verified this license since March, 2025.
Verify this license's status for John Howland at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
12
Permits
- Building permit records show that John Howland has worked on 12 permitted projects.
John Howland Employees
HC
Howland John Clayton
Owner