Updated: May 11, 2026
Location and Projects
Address
948 Collins Ct, Hayward, CA, 94544
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Tam's General Construction Cor
Tam's General Construction Cor, 948 Collins Ct, Hayward, CA (Employees: Raymund Valentino Bustamante and Tam Hoang) holds a General Building license and 2 other licenses according to the California license board.
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tam's General Construction Cor, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Tam's General Construction Cor Services
Start a project today:
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Framing
Garage Construction
Other Commercial New Constr...
ADU
Whole Home Remodel
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Single Room Remodel
Tam's General Construction Cor Contact Information
Phone Number: (408) 824-0721
Address: 948 Collins Ct, Hayward, CA 94544
Tam's General Construction Cor Hayward
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tam's General Construction Cor has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Tam's General Construction Cor 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.
Experience
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Tam's General Construction Cor mostly works on
home addition
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
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 Tam's General Construction Cor
This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior remodel and addition to (e) residence that includes: addition 11 sq.ft. bay addition at front of (e) kitchen and remodel kitchen layout; addition (n) half bathroom (29 sq.ft) at the (e) garage that is accessible from the den; remove portion of (e) wall separating the living and dining room; replace (e) window at the rear of (e) master bedroom and with new sliding door
Valuation:
$60,000
Permit #:
BLD2025-04981
Status:
issued
Fee:
$4,249
Permit Type:
Alteration
Building Type:
N/A
1. convert proposed half bathroom in the garage to a full bathroom resulting in approximately 42 sq. ft. of new conditioned space. (13sft r3) 2. change the bay window at the front of the kitchen from trapezoidal to rectilinear in shape (area remains the same). 3. modify master bedroom rear glazing from a previously proposed sliding glass door to a single swing door with adjacent fixed... see more
Valuation:
N/A
Permit #:
BLD2025-04981-001
Status:
triage
Fee:
$949
Permit Type:
N/A
Building Type:
N/A
A 323 square feet interior alteration to a single family residence that includes partial garage conversion to habitable space 4-21-22 addendum - revision to foundation plan (see s1.1) and structural detail (see sd1.1) based on corrected measurements of floor level above garage concrete slab 9/7/23 - very minor revisions - flagged in red bubbles on updated sheet a1.1 - reflecting pg&e ... see more
Valuation:
$30
Permit #:
BLD2021-03285
Status:
complete
Fee:
$2,476
Permit Type:
Alteration
Building Type:
N/A
Scope of work: -electrical panel upgrade to 200 amps -r/r hvac
Valuation:
N/A
Permit #:
2025 114199 RS
Status:
issued
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
331 sq ft addition & interior residential remodel to include kitchen & living room, (e) 120 sq ft decrease storage room in garage and create (n) pantry washer/dryer area total 451 sq ft install (n) tankless water heater & relocate electrical service & air conditioning unit//(n) garden style bay window addition (n) subpanel ev charger tankless water heater & relocate furnace to the attic
Valuation:
$45,000
Permit #:
BLD2018-49857
Status:
final
Fee:
$1,609
Permit Type:
N/A
Building Type:
N/A
Garage conversion into bedroom. replace (e) garage door with infill wall and window
Valuation:
$25,000
Permit #:
BLDG-2023-02546
Status:
final
Fee:
$2,338
Permit Type:
N/A
Building Type:
N/A
Reroofing composition shingles
Valuation:
$13,650
Permit #:
BLD2023-10221
Status:
complete
Fee:
$333
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel - extending kitchen area countertop and cabinets. relocating range and oven
Valuation:
N/A
Permit #:
BLD2020-01458
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit to complete expired permits: rgf20022 (granny flat) rsfr202483 (stucco) and rele201150 (meter and 200amp panel)
Valuation:
$500
Permit #:
B19-1180
Status:
final
Fee:
$280
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2023 097235 RS
Status:
issued
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Rmdl kitchen bedroom & bath; 1062 sq ft addition
Valuation:
N/A
Permit #:
13-0556
Status:
final
Fee:
$6,402
Permit Type:
Addition_434
Building Type:
N/A
Replace exterior door main door garage door and (3) sliding doors
Valuation:
N/A
Permit #:
BLD2020-03328
Status:
issued
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Building a storage shed
Valuation:
$10,000
Permit #:
BLD2026-00933
Status:
triage
Fee:
$150
Permit Type:
Other
Building Type:
N/A
Building drsr nsfd r3 = 1 766 sq ft u = 369 sq ft original home demolished r3 = 1.338 sq ft. - see bld2015-05316 (byc)
Valuation:
N/A
Permit #:
BLD2016-00740
Status:
final
Fee:
$7,217
Permit Type:
N/A
Building Type:
N/A
Scope of work to include: complete building (finish interior) of shell to create a new take out restaurant. needs certificate of occupancy and meter release. addition associated electrical plumbing and mechanical
Valuation:
$40,000
Permit #:
2013 118474 CI
Status:
final
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
257 sq ft addition new office bed relocate wh&fu
Valuation:
N/A
Permit #:
14-1078
Status:
final
Fee:
N/A
Permit Type:
Addition_434
Building Type:
N/A
Building drsr nsfd r3 = 1 766 sq ft u = 369 sq ft original home demolished r3 = 1.338 sq ft. - see bld2015-05316 (byc)
Valuation:
N/A
Permit #:
BLD2016-00740
Status:
final
Fee:
$7,217
Permit Type:
N/A
Building Type:
N/A
Mech/elec-upgrade service panel to 200 amps and replace furnace located in attic 92% afue 14 seer. certificate of compliance cfr1r-alt-03-e. jvid
Valuation:
N/A
Permit #:
BLD2017-06776
Status:
final
Fee:
$310
Permit Type:
N/A
Building Type:
N/A
Mech/elec-upgrade service panel to 200 amps and replace furnace located in attic 92% afue 14 seer. certificate of compliance cfr1r-alt-03-e. jvid
Valuation:
N/A
Permit #:
BLD2017-06776
Status:
final
Fee:
$310
Permit Type:
N/A
Building Type:
N/A
Plum- run gas pipe for the stove from the meter 27 ft total 3/4 inch pipe used. (mjc) **wui area**
Valuation:
N/A
Permit #:
BLD2017-04087
Status:
final
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Tam's General Construction Cor Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Tam's General Construction Cor License info
Verified License
| License # | 882258 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Tam's General Construction Cor at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 979383 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Tam's General Construction Cor at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 430952 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Tam's General Construction Cor at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
44
Permits
- Building permit records show that Tam's General Construction Cor has worked on 44 permitted projects.
Tam's General Construction Cor Employees
RB
Raymund Valentino Bustamante
Rmo
TH
Tam Hoang
Rmo / Ceo / Pres