Updated: Feb 14, 2026
Location and Projects
Address
2944 ELMWOOD COURT, Berkeley, CA, 94705
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Alderson Construction
Alderson Construction, 2944 Elmwood Ct, Berkeley, CA (Employees: Linda Janet Alderson and Tom Roberts Alderson) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Alderson Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Alderson Construction Services
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Alderson Construction Contact Information
Phone Number: (510) 289-0415
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Address: 2944 ELMWOOD COURT, Berkeley, CA 94705
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Alderson Construction Berkeley
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Alderson Construction has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Alderson Construction has worked on at least
1.0 project over the past year.
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
|
1 project
|
< $5k |
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 Alderson Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
$697,537
Permit #:
17CP01981
Status:
final
Fee:
$44,670
Permit Type:
N/A
Building Type:
N/A
To construct 596 s.f. two-car carport with new driveway retaining walls at rear. pln17280 2/1/19-rev#1: updated site drainage plan. sheet sd-1
Valuation:
$220,000
Permit #:
RB1800908
Status:
expired
Fee:
$8,447
Permit Type:
N/A
Building Type:
N/A
Reconfiguration of patio to 1400 sq. ft. area at rear of single family dwelling including planters hot tub & retaining walls (ranging from 3'-6 to 6'). drx171532
Valuation:
$20,000
Permit #:
RB1703679
Status:
final
Fee:
$2,511
Permit Type:
N/A
Building Type:
N/A
To obtain final inspection for work approved under pa # 201510028709. all work is complete
Valuation:
$1
Permit #:
201809261482
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
To renew plumbing permit #pp20161027210
Valuation:
N/A
Permit #:
PP20180926232
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construction to include extending living room over (e) deck footprint, kitchen & master suite additions, (n) window & doors throughout, and upgrading electrical, mechanical and plumbing systems. thee will also be structural upgrades including a (n) two-story steel moment frame and the addition of shearwalls.
Valuation:
$1,225,000
Permit #:
B2016-02499
Status:
final
Fee:
$60,951
Permit Type:
Addition/Alteration
Building Type:
N/A
Applied for but no zab hearing has been set as of 5/9/14. aaron sage is work). must comply with fire zone major 3 story addition (3535 sf) and note: use permit #13-0048 has been planner rebate(valuation $50k for seismic restrictions. seismic upgrades for transfer tax
Valuation:
$1,500,000
Permit #:
1400001957
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-6 (6 wk
Building Type:
N/A
Plumbing combo 25% one each; sink dish wash garb disp clothes washer gas test pipe gas dryer and gas range create 637 sf. secondary unit at lower level of existing single family dwelling ds160348 (lower level converted to habitable space under rb1102822) upper unit will be 727 willow street
Valuation:
N/A
Permit #:
RP1602226
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel including 3 bathroom remodel exterior modifications including sky lights new garage door **9/21/18 revisions to addition addt'l skylight to family. room modify window openings and change window to door in library and door to window in office. racuff **9/28/18 revisions to addition supply registers throughout relocate electrical. panel from hall closet to laundry room ... see more
Valuation:
N/A
Permit #:
BIAL17-012971
Status:
final
Fee:
$15,786
Permit Type:
N/A
Building Type:
N/A
Residential building new 440sqft redwood deck to
Valuation:
$5,000
Permit #:
BD18-0828
Status:
final
Fee:
$646
Permit Type:
Deck
Building Type:
N/A
Plumbing combo 25% one each; sink dish wash garb disp clothes washer gas test pipe gas dryer and gas range create 637 sf. secondary unit at lower level of existing single family dwelling ds160348 (lower level converted to habitable space under rb1102822) upper unit will be 727 willow street
Valuation:
N/A
Permit #:
RP1602226
Status:
final
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
Electrical create 637 sf. secondary unit at lower level of existing single family dwelling ds160348 (lower level converted to habitable space under rb1102822) upper unit will be 727 willow street
Valuation:
N/A
Permit #:
RE1602967
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Debris has been removed from site. once shed has been demolished and all owner is to schedule a final inspection comply with fire zone restrictions. demolition of small shed (84 sf). must
Valuation:
$100
Permit #:
1400001953
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-1 (1 wk
Building Type:
N/A
Addition a new dwelling unit of 265 sf at rear of existing building at ground floor with bathroom and kitchen (one studio) and 35 sf deck addition at second floor
Valuation:
$80,000
Permit #:
201510028709
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Electrical create 637 sf. secondary unit at lower level of existing single family dwelling ds160348 (lower level converted to habitable space under rb1102822) upper unit will be 727 willow street
Valuation:
N/A
Permit #:
RE1602967
Status:
final
Fee:
$349
Permit Type:
N/A
Building Type:
Single family dwe...
Upgrade wiring in bathroom and kitchen; 8 lights 5 switches 10 recpetacles 1 fan 1 microwve 1 range 2 smoke detectors
Valuation:
$0
Permit #:
E20161027703
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To renew electrical permit #e20161027703 (upgrade wiring in bathroom and kitchen; 8 lights 5 switches 10 recpetacles 1 fan 1 microwve 1 range 2 smoke detectors.)
Valuation:
N/A
Permit #:
E201809266138
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
***** print only 4 comment lines ***** krm. kithcen and (e) master bedroom & bathroom. refund requested project terminated. remodel windows & finishes throughout the house. 187 s.f. addition to enlarge (e
Valuation:
$250,000
Permit #:
0500003247
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-3 (3 wk
Building Type:
N/A
See attached housing report dated september 24 2004 - electrical work - 1 recept in unit 8 elect. extension. 1-switch 1-light mech.gas app. gas pipe repair -unit 6 & 3 gas appliance -unit 9 plumbing.app bathroom lav units 2, 3, 4, 8, 11 kitchen sink - unit 12 toilet unit #4 added to (e) electrical permit replace existing electric wall heater item #15 on housing report 10/27/04. remove... see more
Valuation:
$3,000
Permit #:
0400004460
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-1 (1 wk
Building Type:
N/A
Create 637 sf. secondary unit at lower level of existing single family dwelling ds160348 (lower level converted to habitable space under rb1102822) upper unit will be 727 willow street
Valuation:
$19,000
Permit #:
RB1603434
Status:
final
Fee:
$3,626
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Alderson Construction License info
Verified License
| License # | 368874 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Alderson Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 707406 |
| 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. If this is your business, please update your license status.
Check this license's status for Alderson Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | International Fidelity Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Travelers Property Casualty Company Of America |
62
Permits
- Building permit records show that Alderson Construction has worked on 62 permitted projects.
Alderson Construction Employees
LA
Linda Janet Alderson
Officer
TA
Tom Roberts Alderson
Rmo/Ceo/Pres