Updated: Mar 23, 2026
Location and Projects
Address
23575 CABOT BLVD 207, Hayward, CA, 94545
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3e Design Construction
Serving Hayward and the surrounding Bay Area, 3e Design specializes in residential remodels, new home construction, and architectural design. Their portfolio highlights projects ranging from major home additions and accessory dwelling units (ADUs) to kitchen and bathroom renovations. 3e Design works closely with clients throughout every phase of a project, from preliminary site analysis and conceptual planning to construction drawings, permitting, and contractor coordination. The firm provides consultation and design services for both remodels and ground-up construction, including expertise in site planning, code compliance, and space optimization. Based in Hayward and active for nearly a decade, 3e Design serves property owners in the East Bay seeking modern, functional, and well-planned residential spaces.
3e Design Services
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3e Design Contact Information
Phone Number: (510) 289-0081
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Address: 23575 CABOT BLVD 207, Hayward, CA 94545
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3e Design Hayward
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
3e Design has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
13 projects
|
2025 |
|
8 projects
|
2024 |
|
17 projects
|
2023 |
Our building permit records indicate that 3e Design has worked on at least
38.0 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
|
15 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
16 projects
|
Kitchen remodels |
|
6 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that 3e Design mostly works on
kitchen remodel
and home addition
projects.
Pricing
|
6 projects
|
< $5k |
|
9 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
|
9 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $50,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel existing kitchen living room hallway bathroom bedrooms and master bedroom suites. new furnace and air conditioning unit replace all windows and doors new skylights
Valuation:
$225,000
Permit #:
BLD25-00469
Status:
final
Fee:
$4,577
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- non fire sprinklered bldg- house remodel main house interior remodel (1653 sf): 1. kitchen and master bathroom remodel. 2. new walk-in closet for master bedroom. 3. new laundry room in the hallway. 4. new 65 gal hybrid electric w/h in garage 5. new central air conditioning and furnace. 6. new electrical and lighting fixtures for the living area kitchen sun room... see more
Valuation:
$206,850
Permit #:
BD-2022-285292
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
801 sqft addition to single family residence in the rear for (n) master bedroom and south side for (n) bedroom 2. new landing for the master bedroom door.3. convert (e) powder room into full bathroom with shower.4. relocate (e) air conditioning outdoor unit.5. replace and relocate (e) tankless water heater and (e) furnace.6. replace & relocate (e) washer & dryer with (n) dual-fuel dry... see more
Valuation:
$250,000
Permit #:
BIAD23-013269
Status:
issued
Fee:
$7,562
Permit Type:
N/A
Building Type:
N/A
Jadu -converting 326sf of (e) house living space/converting 39sf of garage space total 365 sf 1. to convert bedroom #2 office and legalizing bathroom #2 to a new 365 sf jadu. 2. the jadu consists of a living/dining area an efficient kitchen bedroom and bathroom. 3. new electrical works for the jadu. 4. new door and window for the jadu. 5. (e) furnace in garage for the jadu. *plans and... see more
Valuation:
N/A
Permit #:
BD-2023-287657
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(1) convert existing attached garage and dining room of single family dwelling to a 398 sf jadu. remove existing garage door addition 1 new entry door and 2 windows in jadu. change garage ceiling to vaulted ceiling. (2) main home alterations in addition to the jadu: remove (e) gas water heater in the garage and addition (n) tankless water heater (must be a heat pump water heater) to s... see more
Valuation:
$125,000
Permit #:
BD-2023-288915
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(connected to pln24-0671 b.m.) two-story rear addition with one bedroom on each floor and one 3-fixture bathroom on 1st floor. - 546 sq ft new conditioned space (bldg/mech/elec/plumbing)
Valuation:
$95,000
Permit #:
CB25-0188
Status:
issued
Fee:
$8,730
Permit Type:
N/A
Building Type:
N/A
To construct a new 685 sf attached adu. to addition new electrical meter with main electrical panel and new gas meter. to install new tankless water heater and new mini split heat pump with air handler unit for the adu. replace window in upper level
Valuation:
$250,000
Permit #:
B2022-05725
Status:
plancheck
Fee:
$10,588
Permit Type:
N/A
Building Type:
N/A
Construct a 624 sf detached adu (1bed/1bath). 120amp subpanel. note: a separate permit is required for any work done to the primary dwelling included but not limited to main panel upgrade and/or relocation. (ccr2023-00129)
Valuation:
$138,000
Permit #:
BLD2023-06798
Status:
final
Fee:
$9,781
Permit Type:
New accessory dwe...
Building Type:
N/A
Main house 1. to demolish the 106 sf portion of the un-permitted kitchen and addition 293 sf to the main level and 375 sf for the new bedroom at upper level for a total of 668 sf addition as indicated. 2. addition a new full bathroom and pantry in the main level. 3. (e) kitchen to be remodeled. 4. addition a new bedroom in the upper floor. 5. addition a new roof to the additions as in... see more
Valuation:
$175,000
Permit #:
BRADD-23-0030
Status:
expired
Fee:
$2,690
Permit Type:
N/A
Building Type:
N/A
Remodel (e) two bathrooms. replace existing windows with new. addition new lighting and switches. one exterior door height slightly changed. electrical panel has been upgraded to 200 amps with 225 amps bus bar rating
Valuation:
N/A
Permit #:
BLD2024-01798-001
Status:
triage
Fee:
$291
Permit Type:
N/A
Building Type:
N/A
Smoove ice cream: tenant improvemnt of 1 566 sf (e) space i
Valuation:
$300,000
Permit #:
B-BP23-0324
Status:
final
Fee:
$8,720
Permit Type:
Tenant improvement
Building Type:
N/A
(e) living room ceiling joist is on different direction (n) ceiling beam bm#3 called out no change to the foundation plan
Valuation:
N/A
Permit #:
BLD2024-01798-002
Status:
triage
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
*** modification 3/1/23 (jm) no longer replacing the front fixed existing window with single hung. orginal window to remain***(pln21-0290) - replace (e) exterior store front siding to wood siding; replace (1) fixed glass window to single hung; addition a slanted board over flower bed; revised (e) awning signage; slate gray tiles for bulkhead; remove (e) cabinet sign & patch/paint hole... see more
Valuation:
$17,190
Permit #:
B21-0766
Status:
final
Fee:
$2,456
Permit Type:
N/A
Building Type:
N/A
381 sq.ft. addition to include 2 bedrooms and 1 bathroom - remodel kitchen - (n) landing & steps to rear - window doors - (n) cental heat pump in garage & air conditioning - (n) laundry hookup in garage - replace (e) gas water heater with electric - addition skylight - upgrade main panel to 200 amps -- remove unpermitted shed in rear yard --
Valuation:
$100,000
Permit #:
BRADD-23-0001
Status:
final
Fee:
$5,129
Permit Type:
N/A
Building Type:
N/A
381 sq.ft. addition to include 2 bedrooms and 1 bathroom - remodel kitchen - (n) landing & steps to rear - window doors - (n) cental heat pump in garage & air conditioning - (n) laundry hookup in garage - replace (e) gas water heater with electric - addition skylight - upgrade main panel to 200 amps -- remove unpermitted shed in rear yard --
Valuation:
$100,000
Permit #:
BRADD-23-0001
Status:
final
Fee:
$5,129
Permit Type:
N/A
Building Type:
N/A
Primary bedroom and bathroom addition (597 sq.ft.). remodel 2 bedrooms
Valuation:
$225,000
Permit #:
BLD24-02995
Status:
issued
Fee:
$7,999
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel - kitchen to be relocated and legalized previously relocated without permit. upgrade outlets for new appliances
Valuation:
$20,000
Permit #:
BRALT-25-0037
Status:
final
Fee:
$1,075
Permit Type:
Interior remodel
Building Type:
N/A
Demolish and garage conversion to adu - demolish 464 sf unpermitted addition in rear yard; addition 556 sf to (e) 408 sf garage to create 964 sf 3-bedroom adu with (n) fau in attic tankless water heater & air conditioner
Valuation:
$141,620
Permit #:
B22-0403
Status:
final
Fee:
$25,107
Permit Type:
N/A
Building Type:
N/A
Demolish and garage conversion to adu - demolish 464 sf unpermitted addition in rear yard; addition 556 sf to (e) 408 sf garage to create 964 sf 3-bedroom adu with (n) fau in attic tankless water heater & air conditioner
Valuation:
$141,620
Permit #:
B22-0403
Status:
final
Fee:
$25,107
Permit Type:
N/A
Building Type:
N/A
Conversion of 60 sf of existing garage space into new laundry room between kitchen and garage. alteration of 120 sf to remodel kitchen addition new walk in closet for master bedroom and bedroom 3. replace sliding doors to master bedroom living and dining room. existing chimney to be capped off and replaced with electric fireplace. install two new 220v ev outlets 60 amps each in garage... see more
Valuation:
$50,000
Permit #:
BLD2024-01798
Status:
complete
Fee:
$2,771
Permit Type:
Alteration
Building Type:
N/A
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Projects
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3e Design License info
Verified License
| License # | 1051011 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for 3e Design at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1087739 |
| 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 3e Design at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| Status | Unable To Verify |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
81
Permits
- Building permit records show that 3e Design has worked on 81 permitted projects.
3e Design Employees
DL
Dehong Liu
Officer
JR
Jiajun Ruan
Rmo / Ceo / Pres
JR
Jiajun Ruan
Rmo / Ceo / Pres