Updated: May 28, 2026
Location and Projects
Address
444 OLIVINA AVE, Livermore, CA, 94550
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Blum Construction
Blum Construction, 444 Olivina Ave, Livermore, CA (Owned by: David Todd Blum) holds a General Building license and 4 other licenses according to the California license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Blum Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Blum Construction Services
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Blum Construction Contact Information
Phone Number: (650) 207-3559
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Address: 444 OLIVINA AVE, Livermore, CA 94550
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Blum Construction Livermore
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Blum Construction has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Blum Construction has worked on at least
4.0 projects over the past 2 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
|
4 projects
|
$5k-$20k |
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.
Kitchen remodel: remove and replace appliances move section of existing countertop replace with new 18ft island with receptacle (4) new led lights (2) under counter led lights (2) island led lights master bathroom remodel like for like replace sub panel 100amp to 100amp
Valuation:
$67,000
Permit #:
B22-0938
Status:
final
Fee:
$1,020
Permit Type:
N/A
Building Type:
N/A
Remove (6) windows on bay popout in living room. like for like replacement. patch and paint stucco
Valuation:
$9,500
Permit #:
B25-2310
Status:
issued
Fee:
$386
Permit Type:
N/A
Building Type:
N/A
Remove 5 windows - (2) bedroom (1) office and (2) in garage with stucco repair. remove and replace to match existing size
Valuation:
$18,000
Permit #:
B24-3038
Status:
final
Fee:
$449
Permit Type:
N/A
Building Type:
N/A
Revised: residential addition (480 sf) to create new master bedroom and bathroom. kitchen remodel. (roach) revision 01-14-20: addition new dedicated gas line to new fireplace gas insert at family room and new gas range in kitchen
Valuation:
$120,000
Permit #:
D191410
Status:
expired
Fee:
$2,483
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and bathroom (same layout) all like for like
Valuation:
$19,000
Permit #:
B24-1341
Status:
final
Fee:
$959
Permit Type:
N/A
Building Type:
N/A
Truss calculation submittal
Valuation:
N/A
Permit #:
D191410-REV01
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hall and master bathrooms remodels. - master remove/replace - shower with tiled surround and pan tub toilet double vanity and new pocket door to bedroom. replace 3 existing windows with 1 new in same opening. electrical and lighting. hall bathroom - remove/replace - shower with tiled surround and pan toilet and vanity. electrical lights and fan
Valuation:
N/A
Permit #:
BIAL19-004656
Status:
final
Fee:
$2,460
Permit Type:
N/A
Building Type:
N/A
Scope of work to include: 1) building 191 sqft family room addition wit new direct vent fireplace 2) remodel existing kitchen 3) relocate 2 1st floor bathrooms and remodel 1- 2nd foor bathroom 4) new laundry on second floor
Valuation:
$94,963
Permit #:
2016 106767 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Remodel and addtion w struct. calcs 1. 198 sqft master bedroom addition-rear of house 2. 320 sqft master bathroom laundry room expansion & remodel 3. hallway additon and skylight ** 4/27/17 revised permit to addition service panel upgrade (hm)
Valuation:
$20,176
Permit #:
2016 134465 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Interior remodel of kitchen dining room laundry room powder room and foyer. replace windows in laundry powder kitchen and dining (same sizes and locations) fill in 2 small windows in kitchen. per plans
Valuation:
N/A
Permit #:
BIAL17-004497
Status:
final
Fee:
$3,260
Permit Type:
N/A
Building Type:
N/A
Rev-1: eor changed beam size and eliminated 2 piers due to newly dicovered unforseen conditions. scope of work to include: 1) remodel kitchen area 2) new sliding door and window in family room 3) remove interior wall install psl beam 4) addition subpanel in garage permit revised to add; furnace & air conditioning condenser replacement in same location repipe entire house 7/29/15 - sp
Valuation:
$46,440
Permit #:
2015 010245 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Remodel-remove non load bearing walls between living room & dining room; replace kitchen cabinets countertops and appliances; remove & replace lighting with led can lighting; install ceiling fan in living room; run dedicated gas line to new kitchen stove and fireplace
Valuation:
$31,000
Permit #:
D141532
Status:
final
Fee:
$660
Permit Type:
Add/alter single ...
Building Type:
N/A
Kitchen remodel- replace cabinets countertops and appliances; install led lighting; close in window and door; replace and reduce size of remaining windows in kitchen; remove non-load bearing wall; run dedicated gas line to new kitchen stove
Valuation:
$19,000
Permit #:
D150297
Status:
final
Fee:
$596
Permit Type:
Add/alter single ...
Building Type:
N/A
Master bathroom remodel - remove wall and closet to enlarge shower. remove and replace vanities, toilet and stall shower. replace with larger stall shower and addition bathtub. addition exhaust fan and 4 canned led fixtures and two vanity fixtures and gfi outlets
Valuation:
$25,000
Permit #:
D131157
Status:
final
Fee:
$435
Permit Type:
Asfr
Building Type:
N/A
Scope of work to include: 1. remove (e) water heater and install (n) tankless water heater in same location. 2. repipe single family residence with pex 3. install new washer box in garage 4. remove and replace 2 windows like for like. master bathroom scope of work: 1. exchange location of shower and toilet. 2. remove and replace vanity 3. update electrical and plumbing per plan. 4. in... see more
Valuation:
$30,200
Permit #:
2013 112084 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Major kitchen remodel to include: 1) remove non-load bearing partition wall between kitchen & dining room. 2) addition double walls. addition pocket door between kitchen & bathroom. 3) remove hall closet wall & addition walls to addition refrigerator area. 4) addition new interior french door between kitchen and living room. 5) r/r sink stove hood and dishwasher. 6) addition lighting.... see more
Valuation:
$30,200
Permit #:
2012 022056 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Master bathroom remodel-replace vanity counter top sink toilet light fixtures bathtub and shower (w/(n) mud-set tile pan) in same locations. (120 sf)
Valuation:
$18,500
Permit #:
D160129
Status:
issued
Fee:
$434
Permit Type:
N/A
Building Type:
N/A
Scope of work to include: addition to 2 story residence 1st flr: expand kitchen & laundry room adding subpanel in laundry room & r/r windows in front of residence as per approved plans rev 1 move shear walll and reinforce ceiling joist in laundry
Valuation:
$20,380
Permit #:
2015 004143 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Scope of work to include: 1) new addition as new bathroom and closet 2) convert (e) bathroom and closet to new #4 bedroom 3) relocate the furnace to the attic 4) install 2 new windows on the right side
Valuation:
$15,998
Permit #:
2013 127006 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Scope of work: demolish (e) wall at master bathroom to allow new walls to be built. frame new walls and celing at master bathroom. install new ceiling fan and vent at master bathroom. install new gfci outlets in hall bathroom & master bathroom. new tub shower valve in hall bathroom. repipe and rewire (e) lighting circuits. install (n) circuit breakers to meet current electrical code. ... see more
Valuation:
$15,100
Permit #:
2011 040501 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
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Blum Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Blum Construction License info
Verified License
| License # | 732161 |
| 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 Blum 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 # | 748145 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Blum 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 # | NAT-29863-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, 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 Blum Construction at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 676437 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 Blum 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 # | 693404 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 Blum Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
126
Permits
- Building permit records show that Blum Construction has worked on 126 permitted projects.
Blum Construction Employees
DB
David Alan Blum
Sole Owner
DB
David L Blum
Sole Owner
DB
David Todd Blum
Owner
MB
Mark Raymond Blum
Sole Owner