What Custom 6 Builders does

Custom 6 Builders, Inc. (also operating as C6B Inc. or C6B) is a privately held general contracting company founded in 2011 and headquartered in Oakland, California, with a second office in San Francisco. The company provides full-service custom home construction and renovation services to residential clients across the San Francisco Bay Area, including Oakland, San Francisco, Berkeley, Piedmont, Noe Valley, Oakland Hills, and Noe Street. Its primary customer segments are individual homeowners commissioning custom builds and architects seeking a general contracting partner for collaborative residential projects. The firm employs 1–10 people and is founder-owned and operated, with primary contact under the name "Noel."

The company's core offering is project-based general contracting for luxury custom residential builds and renovations, delivered from concept through completion. Its website showcases a portfolio of completed projects — Noe Street, Berkeley, Noe Valley, Oakland Hills, and Piedmont — as its principal marketing asset, and the company differentiates on custom finishes, fast and precise execution, and a personal, approachable working style. There is no proprietary technology, software platform, or digital product underlying the service; value is delivered through skilled construction labor, project management, and direct collaboration with homeowners and architects. No patents, certifications, or formal partnerships are disclosed.

Custom 6 Builders generates revenue through project-based contracts, with pricing determined per project scope, materials, and labor rather than published rate cards; no pricing tiers or recurring-revenue components are disclosed. Its go-to-market is direct-to-customer: prospective clients initiate engagement via email or phone, and the portfolio website serves as the main top-of-funnel discovery channel. The company has not raised outside funding, has no institutional investors, and shows no M&A, leadership changes, or restructuring events in the available record. Architects function as collaborative channel partners on individual projects rather than as formal commercial partnerships.

Name

Custom 6 Builders

Legal name

Custom 6 Builders, Inc.

Website

https://custom6builders.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

1–10 employees

Short description

Custom 6 Builders is a privately held Bay Area general contracting company founded in 2011 that delivers luxury custom home construction and renovation services to homeowners and architects across Oakland, San Francisco, and surrounding Bay Area communities.

Ownership category

akta.pro rank

Product category

Residential Construction Services

NAICS

New Single-Family Housing Construction (except For-Sale Builders) (236115), Residential Remodelers (236118)

SIC

General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Residential General Contracting (New Build) (IMAFAAAB)

akta.pro secondary industries

Custom Home Building (IMAFABAC), Luxury Whole-Home Renovation (High-End Finishes & Custom Build) (HSAPAEAI)

Keywords

• Custom home construction
• Residential general contracting
• Luxury homebuilding services
• Home renovation contracting
• Custom finish carpentry

Headquarters

HQ city

Oakland

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales

Revenue model

1. Custom Home Construction Services: Project-based revenue from custom home building and renovation services for homeowners and architects in the Bay Area.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Custom 6 Builders is a general contracting company providing full-service custom home construction and renovation services for homeowners and architects in the San Francisco Bay Area. The company delivers bespoke residential builds from vision to finished product, specializing in custom finishes, designs, and detail work across various home styles and environments. Services include custom home construction, home renovation, and luxury residential builds, executed through project-based engagements initiated via direct contact.

Product overview

Custom 6 Builders (C6B Inc.) is a full-service luxury homebuilding construction company serving the Bay Area since 2011. The company operates as a general contractor, collaborating with homeowners and architects to deliver bespoke residential construction projects. Their core offering is custom home construction services, complemented by a portfolio of completed projects including Noe Street, Berkeley, Noe Valley, Oakland Hills, and Piedmont that demonstrate their capabilities in luxury finishes and custom designs. The company emphasizes fast, precise work with a personal approach throughout the construction process.

Differentiator

Problem solved

Functional benefit

Products and services

• Custom Home Construction Services Full-service custom home construction and renovation for homeowners in the Bay Area, working collaboratively with architects to deliver bespoke residential projects from vision to finished product, including custom finishes and designs.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves2 records

Expansion highlights1 record

Broad incumbents

• KB Home: Major U.S. homebuilder with deep California exposure and customizable new-home offerings. Comparable as a residential builder serving California buyers, including in the Bay Area where Custom 6 operates.
• PulteGroup: Top-three U.S. homebuilder operating across multiple brands including Centex, Del Webb, and John Wieland. Comparable as a residential general contractor with luxury-segment exposure; much larger and more diversified than Custom 6's boutique custom model.
• Shea Homes: Large California-headquartered homebuilder with a long history in the Western U.S., including luxury and custom offerings. Comparable as a residential general contractor active in California, including the Bay Area region Custom 6 serves.
• Lennar: One of the largest U.S. homebuilders with a national footprint including significant California operations. Comparable as a high-volume residential construction company; differs from Custom 6 by serving primarily production/for-sale housing rather than bespoke custom builds.
• Toll Brothers: Nation's leading luxury homebuilder with a broad portfolio including move-up and active-adult segments. Comparable as a residential builder operating in the custom/luxury end of the market where Custom 6 competes, though at far larger scale and with developer-style operations.

Direct peers

• Trumark Homes: California-based homebuilder focused on thoughtfully designed residential communities, including custom and luxury product in the Bay Area. Comparable as a California residential general contractor competing for similar homeowner and architect-led custom projects in the same geography.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Custom 6 Builders