Updated: Mar 23, 2026
Location and Projects
Address
4161 SANTA RITA ROAD, El Sobrante, CA, 94803
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510 BUILDERS Construction
Serving El Sobrante and the surrounding Bay Area, 510 BUILDERS brings over a decade of experience to residential and commercial construction projects. With 14 years in the industry, the company handles a range of general contracting services, including remodels, additions, and new construction. Projects managed by 510 BUILDERS span single-family home renovations, kitchen and bathroom updates, and custom build-outs for local businesses. The contractor is familiar with Bay Area building codes and works with clients throughout the planning and construction phases to ensure that projects align with local requirements and preferences. 510 BUILDERS collaborates with homeowners, property managers, and business owners in El Sobrante and nearby communities, providing services tailored to the specific needs of each client and property type.
510 BUILDERS Services
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510 BUILDERS Contact Information
Phone Number: (510) 387-7486
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Address: 4161 SANTA RITA ROAD, El Sobrante, CA 94803
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510 BUILDERS El Sobrante
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
510 BUILDERS has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that 510 BUILDERS has worked on at least
2.0 projects 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
|
$500k-$1mil |
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.
Installation of a back up generator for the residence
Valuation:
N/A
Permit #:
BLD25-1782
Status:
final
Fee:
$465
Permit Type:
N/A
Building Type:
N/A
Addition of a 599.2 sq.ft partial second floor & an extension off the back of the house removal of the existing attached non-conforming accessory building covered porch and concrete steps with landings at the rear of the house ** 11-21-2019 revision 1 - removing one step down on rear addition. no change in valuation.**
Valuation:
$300,000
Permit #:
B2019-01848
Status:
final
Fee:
$15,200
Permit Type:
N/A
Building Type:
N/A
Repair/replace building sewer on property only. sl & x required beyond pl. overflow device may be needed. if working within 25 feet of a monument you must comply with state law 8771 contact the inspector prior to starting excavation: minimum $5 800.00 fine for non-compliance. usa # and date must be provided in order to have a permit issued. permit valid for 90 days. call pwa inspectio... see more
Valuation:
N/A
Permit #:
SL1901882
Status:
final
Fee:
$476
Permit Type:
N/A
Building Type:
N/A
(rbc) - building residential combo alteration- 1 & 2 unit residential (building)
2021-04-08
Remodel kitchen unit 3761. 200 amp main service up-grade and re-wire both units. removal of existing ramp to garage and replacement of wood stairs at upper-level located at the rear per plans. meps to include 2 furnaces in each unit 3761 and 3763 manila
Valuation:
$40,600
Permit #:
RBC1901578
Status:
expired
Fee:
$2,089
Permit Type:
N/A
Building Type:
N/A
(rbc) - building residential combo alteration- 1 & 2 unit residential (building)
2021-09-29
Construct 141 sf addition to detached garage in rear of single family dwelling to create a 1 bed 360 sf secondary unit. new unit to be addressed as 3814 brighton ave. drx181576
Valuation:
$70,000
Permit #:
RBC1805163
Status:
final
Fee:
$7,287
Permit Type:
N/A
Building Type:
N/A
Replace foundation & cripple walls at left & rear walls of single family dwelling. 09-19-17 recieved revision #1; engineered plans and calcs for foundation over 5 change at the right rear of building
Valuation:
$30,000
Permit #:
RB1703663
Status:
final
Fee:
$1,458
Permit Type:
N/A
Building Type:
N/A
Addition footings and beams to support 2nd floor addition over
Valuation:
$29,000
Permit #:
BP21-0020
Status:
final
Fee:
$1,379
Permit Type:
N/A
Building Type:
N/A
(rbc) - building residential combo alteration- 1 & 2 unit residential (building)
2019-07-19
Rebuild approx. 190 sqft detached garage with (e) slab and left wall to remain. substantial demolish permit under rb180392 drx181889
Valuation:
$30,000
Permit #:
RBC1800815
Status:
final
Fee:
$1,218
Permit Type:
N/A
Building Type:
N/A
Plumbing to legalize 600 square foot (one bedroom & one bathroom) secondary unit within the existing lower level of a single family dwelling. unit to be addressed as 683 santa ray ave
Valuation:
N/A
Permit #:
RP1800593
Status:
final
Fee:
$414
Permit Type:
N/A
Building Type:
N/A
Mechanical to legalize 600 square foot (one bedroom & one bathroom) secondary unit within the existing lower level of a single family dwelling. unit to be addressed as 683 santa ray ave
Valuation:
N/A
Permit #:
RM1800567
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Electrical to legalize 600 square foot (one bedroom & one bathroom) secondary unit within the existing lower level of a single family dwelling. unit to be addressed as 683 santa ray ave
Valuation:
N/A
Permit #:
RE1800804
Status:
final
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel - remove wall between kitchen & breakfast room --- revsion - rewire whole house replumbing upstairs water & drain - gfci circuit for both bathrooms - exhaust fan in upstairs bathroom ---
Valuation:
$55,000
Permit #:
B18-0645
Status:
final
Fee:
$2,939
Permit Type:
N/A
Building Type:
N/A
Plumbing related to replace illegally enclosed deck with new deck and restore garage to original use. to abate ce#1704191 remodel existing kitchen & bathroom. drx180315
Valuation:
N/A
Permit #:
RP1800754
Status:
final
Fee:
$263
Permit Type:
N/A
Building Type:
N/A
Mechanical related to replace illegally enclosed deck with new deck and restore garage to original use. to abate ce#1704191 remodel existing kitchen & bathroom. drx180315
Valuation:
N/A
Permit #:
RM1800693
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Electrical related to replace illegally enclosed deck with new deck and restore garage to original use. to abate ce#1704191 remodel existing kitchen & bathroom. drx180315
Valuation:
N/A
Permit #:
RE1801047
Status:
final
Fee:
$373
Permit Type:
N/A
Building Type:
N/A
Nonstructural bathroom remodel - express
Valuation:
$50,000
Permit #:
172452
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Demolish a detached garage at right rear corner and unpermitted ramp at upper-level
Valuation:
N/A
Permit #:
RB1901577
Status:
issued
Fee:
$1,077
Permit Type:
N/A
Building Type:
N/A
Demolish approx. 190 sq.ft. detached garage except foundation slab and left wall to remain. drx181889
Valuation:
N/A
Permit #:
RB1803932
Status:
final
Fee:
$1,110
Permit Type:
N/A
Building Type:
N/A
(rbc) - building residential combo alteration- 1 & 2 unit residential (building)
2021-04-18
Replace rear porch and stair of single family dwelling. 12/18/19: addition scope to include construct approx. 60 lf of exterior landscape retaining wall attached to the (e) single family dwelling and attached to the (n) adu at the other end of walls. retained height of soil behind new walls is approx. 3 with 4 deep of embedment required and used per structural engineering calculations... see more
Valuation:
$8,600
Permit #:
RBC1805166
Status:
complete
Fee:
$1,439
Permit Type:
N/A
Building Type:
N/A
(m) - mechanical - 3+ residential units or commercial (building)
2019-10-17
Suite #2 mechanical related to cannabis distribution & manufacturing. (non-volatile)
Valuation:
N/A
Permit #:
M1900776
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Projects
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510 BUILDERS License info
Verified License
| License # | 964005 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for 510 BUILDERS at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |
35
Permits
- Building permit records show that 510 BUILDERS has worked on 35 permitted projects.
510 BUILDERS Employees
DO
Damian Michael Ochsner
Owner