Updated: Jul 14, 2026
Location and Projects
Address
2018 Marin Ave, Berkeley, CA, 94707
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Hayashida Architects Photos
Hayashida Architects
Since 1979, Hayashida Architects has provided a variety of architectural services that include commercial, food service, historic preservation, interior design, office and residential projects, tenant improvements, and urban design and planning. Our experience involves a wide range of rehabilitation and renovation work, as well as the design of entire buildings and commercial centers.The foundation of our firm’s strength stems from the expertise, dedication and upstanding character of our partners and staff. Nearly 50% of our employees have been with the firm for over 10 years. Because of our internal office stability, we are able to nurture our relationships with each of our consultants, vendors and contractors, all of whom further contribute to our firm’s multi-disciplinary team and high quality service.
From BuildZoom: Hayashida Architects, 2018 Marin Ave, Berkeley, CA (Owned by: Hayashida, Sady Sadatoshi) holds a Architect license and 4 other licenses according to the California license board.
Their BuildZoom score of 113 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hayashida Architects, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Hayashida Architects Services
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Hayashida Architects Contact Information
Phone Number: (510) 428-2491
Address: 2018 Marin Ave, Berkeley, CA 94707
Hayashida Architects Berkeley
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hayashida Architects has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
5 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Hayashida Architects has worked on at least
8.0 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
|
6 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Hayashida Architects mostly works on
commercial renovation
projects.
Pricing
|
3 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $88,228. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement for liquor store - mep per scope rev 1 delta 3 (bcalt-24-0169) -- update walk-in cooler plan - ada ramp conditions updated
Valuation:
$283,550
Permit #:
BCALT-24-0014
Status:
final
Fee:
$13,730
Permit Type:
Tenant improvement
Building Type:
N/A
Front counter adjustments remove dbl doors to kitchen/service area relocation of light fixtures over window seating and change of light fixtures adjustment of kitchen equipment due to existing field conditions electrical drawings and compliance with title 24
Valuation:
N/A
Permit #:
B2018-02500-REV02
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Structural drawings and calcs for two suspended electrical transformers from the structure above and field modifications to grease duct runs including adding of duct sump and required plumbing per field inspector's
Valuation:
N/A
Permit #:
B2018-02500-REV03
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Exterior facade improvements
Valuation:
$600,000
Permit #:
BCALT-23-0038
Status:
final
Fee:
$22,042
Permit Type:
Siding stucco
Building Type:
N/A
Changing from tile topping on porch and steps to concrete. replace lower stone steps to concrete steps on grade. no change in valuation
Valuation:
N/A
Permit #:
B2024-01512-REV01
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolish of (e) finishes to prep for (n) tenant. the future tenant will submit a separate application
Valuation:
$136,000
Permit #:
BCALT-23-0030
Status:
final
Fee:
$7,689
Permit Type:
Tenant improvement
Building Type:
N/A
Enclose interior court yard and convert to media room rmdl master bedroom and kitchen
Valuation:
$200,000
Permit #:
B18-2372
Status:
final
Fee:
$7,430
Permit Type:
N/A
Building Type:
N/A
Rev 1 delta 3 -- update walk-in cooler plan - ada ramp conditions updated
Valuation:
N/A
Permit #:
BCALT-24-0169
Status:
complete
Fee:
$300
Permit Type:
Revision
Building Type:
N/A
650 sq/ft tenant improvement
Valuation:
$87,500
Permit #:
BCALT-24-0076
Status:
triage
Fee:
$3,808
Permit Type:
Tenant improvement
Building Type:
N/A
639 sq/ft tenant improvement - (n) ada restroom -
Valuation:
$88,455
Permit #:
BCALT-24-0053
Status:
final
Fee:
$5,592
Permit Type:
Tenant improvement
Building Type:
N/A
Replace existing porch in similar design including new framing to replace dry rot framing
Valuation:
$20,000
Permit #:
B2024-01512
Status:
issued
Fee:
$479
Permit Type:
N/A
Building Type:
N/A
Delete door in board room - addition one
Valuation:
N/A
Permit #:
REV21-0247
Status:
final
Fee:
$413
Permit Type:
C-plan change
Building Type:
N/A
Enterprise office tenant improvement
Valuation:
$605,000
Permit #:
B18-2028
Status:
final
Fee:
$22,370
Permit Type:
N/A
Building Type:
N/A
Phase i new office building for nsv mad 5525 sf
Valuation:
$914,375
Permit #:
B20-0232
Status:
final
Fee:
$45,082
Permit Type:
C-new
Building Type:
N/A
Phase i site grading and ug utilities for nsv mad
Valuation:
$375,000
Permit #:
B20-0231
Status:
final
Fee:
$29,018
Permit Type:
C-new
Building Type:
N/A
Replace 2 (e) illuminated signs - enterprise and (1) monument sign
Valuation:
$40,000
Permit #:
B19-0431
Status:
final
Fee:
$2,040
Permit Type:
N/A
Building Type:
N/A
Phase 1: foundation only for nsv mad main office
Valuation:
$375,000
Permit #:
B20-0233
Status:
final
Fee:
$12,840
Permit Type:
C-new
Building Type:
N/A
Addition and remodel
Valuation:
N/A
Permit #:
B1912-129
Status:
expired
Fee:
N/A
Permit Type:
Alter-sfd
Building Type:
N/A
New bathrooms ada and alterations to existing to make ada mep as required
Valuation:
$65,000
Permit #:
B17-0125
Status:
final
Fee:
$4,043
Permit Type:
N/A
Building Type:
N/A
650 sq/ft tenant improvement
Valuation:
$87,550
Permit #:
BCNEW-24-0004
Status:
withdrawn
Fee:
$1,690
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Hayashida Architects License info
Verified License
| License # | C34630 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Hayashida Architects at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 0401009101 |
| Status | Active |
| State | Virginia |
| Type | Architect License |
- When BuildZoom last verified this license, it had an expiration date of August, 2010. Check the current license status of Hayashida Architects with the Virginia Board for Architects, Professional Engineers, Land Surveyors, Certified Interior Designers and Landscape Architects
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C7908 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of October, 2025. Check the current license status of Hayashida Architects with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AR0015314 |
| Status | Inactive |
| State | Florida |
| Type | Architect |
- According to the Florida Department of Business & Professional Regulation, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Hayashida Architects at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6214 |
| Status | Inactive |
| State | Washington |
| Type | Architect |
- According to the Washington State Business Licensing , the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Hayashida Architects at the Washington State Business Licensing .
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
82
Permits
- Building permit records show that Hayashida Architects has worked on 82 permitted projects.
Hayashida Architects Employees
HY
Hayashida Ryan Y
Owner
HS
Hayashida Sady S
Owner
HS
Hayashida, Sady Sadatoshi
Owner
LF
Lloyd J. Fogelhut