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Location and Projects

Address
15 MARR AVENUE, Oakland, CA, 94611
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Hartwig Construction

Based in Oakland, Hartwig, LLC brings over two decades of experience to residential and commercial construction projects throughout the East Bay. The company specializes in new construction, additions, and remodeling, serving clients in Oakland and neighboring cities. Hartwig, LLC manages a range of project types, including custom home builds, kitchen and bath renovations, and structural upgrades. The team is experienced in collaborating with architects and engineers to execute complex plans and integrate modern building materials. Hartwig, LLC also works on seismic retrofitting and foundation repair for older properties, addressing the specific needs of Bay Area buildings. With more than 21 years in the industry, the company continues to focus on delivering tailored construction solutions suited to the region’s architectural styles and regulatory requirements.

Hartwig,LLC Contact Information

Phone: (510) 220-1012 Edit
Address: 15 MARR AVENUE, Oakland, CA 94611 Edit

Hartwig,LLC Oakland

Quality

97
82nd percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Hartwig,LLC has a BuildZoom score of 97, which places them above 82% of 336,931 contractors in California.

Activity

1 project
2025
1 project
2023
Our building permit records indicate that Hartwig,LLC has worked on at least 2.0 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.

Pricing

Value Not Public: 1.0 project
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 Hartwig,LLC

Sort by: Notable Notable | Date Date | Job Value Job Value
Building/residential/ad/single family addition
2023-04-04
Reconfirguring interior layout to include raising finish floors and new roofline as shown on plans enlarging kitchen new powder room & laundry room; all windows plumbing fixtures and lighting to be replaced. new patio/deck with outdoor grill area. on same plans as bir23-005421
Valuation:
N/A
Permit #:
BIAD23-003818
Status:
issued
Fee:
$12,414
Permit Type:
N/A
Building Type:
N/A
Building/residential/r/adu-2nd unit
2023-05-04
Convert (e) detached storage structure into new 449 sq ft adu. on same plans as biad23-003818 2-22-24 rev change to interior layout and adding a door from bathroom to exterior. ntorres **new address of 831 sant maria way unit a assigned per letter from city of lafayette planning dated march 15 2024. ntorres
Valuation:
N/A
Permit #:
BIR23-005421
Status:
issued
Fee:
$4,443
Permit Type:
N/A
Building Type:
N/A
Building/residential/na/na
2005-12-28
Move existing 14' x 14' shed
Valuation:
$900
Permit #:
D051660
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential - combo
2025-12-08
Complete kitchen remodel including relocating window locations and adding new 100amp electrical service - 160 sq ft (bldg/mech/elec/plumbing)
Valuation:
$50,000
Permit #:
CB25-0319
Status:
issued
Fee:
$4,096
Permit Type:
N/A
Building Type:
N/A

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