Updated: May 20, 2026
Location and Projects
Address
434 De Mar Dr, Sacramento, CA, 95831
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Seigo Sei Construction
Seigo Sei Construction, 434 De Mar Dr, Sacramento, CA (Employees: John Randal Matsuura and Mitchell Shawn Carpenter) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 105 ranks in the top 8% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Seigo Sei Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Seigo Sei Construction Services
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Seigo Sei Construction Contact Information
Phone Number: (916) 750-4037
Address: 434 De Mar Dr, Sacramento, CA 95831
Seigo Sei Construction Sacramento
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Seigo Sei Construction has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Seigo Sei Construction 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.
Pricing
|
3 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $5,000. 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 Seigo Sei Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Re-roof with class a or b material weighing less than 6 pounds per sq. ft. over new solid sheathing ___8__squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residen... see more
Valuation:
$6,800
Permit #:
24016-10000-31811
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
6241 riverside blvd. unit 121 (subpanel replacement). remove of interior zinsco 150 amp subpanel and breakers. reinstall new interior square d subpanel like size and new breakers carbon monoxide & smoke alarms required. reference crc sections r315 & r314. all work subject to field inspection
Valuation:
$1,900
Permit #:
COM-2222075
Status:
issued
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
Aa: existing panel 125 amps - underground service new main panel 125 amps n/a weather head/masthead work main breaker replacement. replace zinsco 125 amp panel w/like panel of 125 amp interior sub panel (only panel in dwelling meter-main eleseware) water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 a... see more
Valuation:
$1,950
Permit #:
RES-2220391
Status:
final
Fee:
$88
Permit Type:
N/A
Building Type:
Single family
Removal of zinsco 150 amp subpanel and breakers. reinstall new square d sub panel like for like size and new breakers (this is the only panel in unit meter and main disconnect on exterior of structure no change of feeders.) see attached site plan water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are... see more
Valuation:
$1,900
Permit #:
COM-2218558
Status:
final
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Removal of zinsco 150 amp subpanel and breakers. reinstall new square d sub panel like for like size and new breakers (this is the only panel in unit meter and main disconnect on exterior of structure no change of feeders.) see attached site plan. water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 ar... see more
Valuation:
$1,900
Permit #:
COM-2218161
Status:
final
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Electrical permit: replace electrical panel. change from 100 amp to 200 amp panel overhead lines. carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$5,000
Permit #:
RES-2406516
Status:
final
Fee:
$97
Permit Type:
N/A
Building Type:
Single family
Unit 115 c/o old zinsco panel interior 125amp subpanel with new 125 amp interior subpanel patch paint texture carbon monoxide & smoke alarms required. reference crc sections r315 & r314. all work subject to field inspection
Valuation:
$1,950
Permit #:
COM-2221834
Status:
final
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
Replace interior zinsco sub panels with new square d subpanels like for like same location no structrual changes carbon monoxide & smoke alarms required. reference crc sections r315 & r314. all work subject to field inspection
Valuation:
$2,000
Permit #:
COM-2216573
Status:
final
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
Aa: existing panel 125 amps - overhead service new main panel 200 amps replacement weather head/masthead work main breaker replacement. carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$2,501
Permit #:
RES-2225638
Status:
expired
Fee:
$91
Permit Type:
N/A
Building Type:
Single family
6241 riverside blvd. unit 101 (subpanel replacement). remove of interior zinsco 150 amp subpanel and breakers. reinstall new interior square d subpanel like size and new breakers
Valuation:
$1,900
Permit #:
COM-2218045
Status:
final
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
Aa: existing panel 125 amps - overhead service new main panel 200 amps n/a weather head/masthead work main breaker replacement
Valuation:
$5,000
Permit #:
RES-2421843
Status:
expired
Fee:
$97
Permit Type:
N/A
Building Type:
Single family
Duplex - r/r glass door on 2nd floor l/l *no change in location/no header replacement (i23-1268)
Valuation:
$1,200
Permit #:
XR2023-1245
Status:
expired
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Removal of interior zinsco 150 amp subpanel and breakers. reinstall new interior square d sub pane like size and new breakers
Valuation:
$1,900
Permit #:
COM-2217978
Status:
final
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
Removal of interior zinsco 150 amp subpanel and breakers. reinstall new interior square d sub panel like size and new breakers
Valuation:
$1,900
Permit #:
COM-2217974
Status:
final
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
Replace interior sub-panels from zinco panel & breakers known to be fire hazard to new like size square d 100-150 amp sub panel
Valuation:
$2,450
Permit #:
COM-2216560
Status:
final
Fee:
$169
Permit Type:
N/A
Building Type:
N/A
Interior remodel & mini-split
Valuation:
$63,515
Permit #:
BLD25-0668
Status:
final
Fee:
$2,040
Permit Type:
Alters_additions
Building Type:
N/A
Interior remodel & mini-split
Valuation:
$63,515
Permit #:
BLD25-0667
Status:
final
Fee:
$2,040
Permit Type:
Alters_additions
Building Type:
N/A
Minor electrical repair/replacement. r/r 100 amp panel in unit 107 patch drywall retexture and paint
Valuation:
$1,950
Permit #:
COM-2220298
Status:
final
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Delta 2 - change new concrete pour footing omit rebar epoxy
Valuation:
N/A
Permit #:
REV2025-1991
Status:
slipsheeted
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Duplex - (n) glass block wall 20 lf x 5 high. inside p/l
Valuation:
N/A
Permit #:
U2025-0454
Status:
final
Fee:
$295
Permit Type:
N/A
Building Type:
N/A
Seigo Sei Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Seigo Sei Construction License info
Verified License
| License # | 1035483 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Seigo Sei Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1030929 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Seigo Sei Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
9
Permits
- Building permit records show that Seigo Sei Construction has worked on 9 permitted projects.
Seigo Sei Construction Employees
JM
John Randal Matsuura
Sole Owner
MC
Mitchell Shawn Carpenter
Rmo / Ceo / Pres