Updated: Jun 01, 2026
Location and Projects
Address
180 S SPRUCE AVENUE UNIT G, South San Francisco, CA, 94080
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Ultra Construction Engineer
Ultra Construction, 180 S Spruce Ave, South San Francisco, CA (Owned by: Robert Paul Pierce) holds a General Engineering, General Building license and 2 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 Ultra Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ultra Construction Services
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Ultra Construction Contact Information
Phone Number: (760) 898-1899
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Address: 180 S SPRUCE AVENUE UNIT G, South San Francisco, CA 94080
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Ultra Construction South San Francisco
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ultra Construction has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
29 projects
|
2025 |
|
18 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Ultra Construction has worked on at least
58.0 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
|
10 projects
|
New Constructions |
|
7 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Ultra Construction mostly works on
new construction
and home addition
projects.
Pricing
|
8 projects
|
< $5k |
|
10 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
10 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $13,000. 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.
Install a new 800 sf detached manufactured 2bd/2ba adu in rear yard. remove existing 220 sf shed in rear yard in the location of the proposed adu (j# asb137017). **bldg. inspector to verify hud certification label (hud tag) metal plate that is affixed to the outside of the unit. also data plate shall be verified inside the unit at one of the following locations : in a kitchen cabinet ... see more
Valuation:
$341,200
Permit #:
BD-2024-294265
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install a new 720 sf detached manufactured adu. project has ab2234 approval at the planning application level (pln2025-00055)
Valuation:
$299,900
Permit #:
BLD2025-03536
Status:
issued
Fee:
$11,481
Permit Type:
New accessory dwe...
Building Type:
N/A
505 sq ft detatched adu
Valuation:
$392,240
Permit #:
ADU24-009
Status:
issued
Fee:
$8,231
Permit Type:
N/A
Building Type:
N/A
Installation of a new detached 800 sf adu at the rear of a property with an existing single family residence. (ccr2023-00191)
Valuation:
$323,100
Permit #:
BLD2023-10429
Status:
issued
Fee:
$12,617
Permit Type:
N/A
Building Type:
N/A
We are proposing to run the sanitary sewer line around the north side of the property as well as submitting an updated electric and water calculation
Valuation:
N/A
Permit #:
BLD2024-03909-001
Status:
triage
Fee:
$1,120
Permit Type:
N/A
Building Type:
N/A
Demolish existing unconditioned shed structure. install a new 1 120 sf detached adu with 3 bedrooms 2 bathroom at the rear of a property with an existing single family dwelling. 200 amp subpanel
Valuation:
$378,970
Permit #:
BLD2023-10675
Status:
complete
Fee:
$13,299
Permit Type:
New accessory dwe...
Building Type:
N/A
Installation of a new detached 645 sf adu at the rear of a property with an existing single family residence
Valuation:
$301,850
Permit #:
BLD2024-00150
Status:
issued
Fee:
$12,243
Permit Type:
N/A
Building Type:
N/A
Construct a 704sf (2bed/1bath) detached pre-approved adu. (ccr) reference pdu2021-00004
Valuation:
$242,900
Permit #:
BLD2022-04968
Status:
complete
Fee:
$7,306
Permit Type:
N/A
Building Type:
N/A
A new 880 sf detached manufactured adu. (ccr2023-00081)
Valuation:
$284,600
Permit #:
BLD2023-05345
Status:
final
Fee:
$12,318
Permit Type:
New accessory dwe...
Building Type:
N/A
New 933 sf detached manufactured adu. (ccr2023-00082)
Valuation:
$345,110
Permit #:
BLD2023-05346
Status:
filed
Fee:
$5,807
Permit Type:
New accessory dwe...
Building Type:
N/A
Permanent foundation for install of new 1120 sf detached manufactured adu on permanent foundation
Valuation:
N/A
Permit #:
BIMHF23-013938
Status:
final
Fee:
$363
Permit Type:
N/A
Building Type:
N/A
New 991 sf detached manufactured adu. creating 3 bed 2 bathroom unit. (ccr2023-00083)
Valuation:
$363,150
Permit #:
BLD2023-05347
Status:
complete
Fee:
$13,306
Permit Type:
New accessory dwe...
Building Type:
N/A
Revision to pa #202402025195. to document 50 ft wide lot & to document 5 ft side yard (setback for rear yard adu driveway under separate permit)
Valuation:
$1
Permit #:
202504174653
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Install new 1120 sf detached manufactured adu on permanent foundation
Valuation:
N/A
Permit #:
BIMP23-013939
Status:
final
Fee:
$1,282
Permit Type:
N/A
Building Type:
N/A
Utilities for install new 1120 sf detached manufactured adu on permanent foundation
Valuation:
N/A
Permit #:
BIMHU23-013940
Status:
issued
Fee:
$298
Permit Type:
N/A
Building Type:
N/A
Public works - encroachment permits (general construction)
2025-08-11
Remove and replace sidewalk on stratford way and 5 temporary no parking signs. (4a-2)
Valuation:
N/A
Permit #:
EP-2025-000500
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Apply waterproofing to exterior existing foundation and addition french drain
Valuation:
N/A
Permit #:
BLD-2025-106
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 3105sf single family dwelling
Valuation:
$825,000
Permit #:
B2022-0232
Status:
issued
Fee:
$64,916
Permit Type:
Single family
Building Type:
N/A
Replace sewer lateral from foundation to city main
Valuation:
N/A
Permit #:
E25-0154
Status:
final
Fee:
$1,539
Permit Type:
Sewer laterals
Building Type:
N/A
Public works - encroachment permits (general construction)
2023-04-21
Replace sewer lateral from building to main in street right of way and remove and replace 200sf of sidewalk. (4b)
Valuation:
N/A
Permit #:
EP-2022-000925
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Avg Project
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Projects
Ultra Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Ultra Construction License info
Verified License
| License # | 913787 |
| Status | Active |
| State | California |
| Type | General Engineering, General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ultra 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 # | 853780 |
| 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 Ultra 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 # | 464856 |
| 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 Ultra Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
157
Permits
- Building permit records show that Ultra Construction has worked on 157 permitted projects.
Ultra Construction Employees
DA
Delfino Alvarado
Sole Owner
HP
Harriet Irene Pierce
Officer
RP
Robert Paul Pierce
Owner