CSLB Lic #1075734 · San Jose, California

We DesignPermitBuildRemodelDeliver

Your complete solution for Design Build Construction. From acquisition and design consulting to full-scale general contracting and trade execution, on new construction and remodels, all under one roof.

General LiabilityWorkmen's CompContractor Bonded
CSLB LIC
#1075734
B · C-10 · C-16
C-20 · C-36 · C-43
General Liability
& Workmen's Comp
Insured
Fully
Insured
General LiabilityInsured on every project
Workmen's CompOur crews are covered
Contractor BondedCSLB Lic #1075734
0CSLB Classifications
0Homes & Units DeliveredTEAM’S PAST COLLECTIVE EXPERIENCE
0Bay Area CitiesACROSS OUR TEAM’S PRIOR PROJECTS
0Stories of Wood over PodiumBUILT BY OUR TEAM IN YEARS PAST
Licensed · Bonded · General Liability Insured
CSLB Lic
#1075734

Licensed in every trade that builds your project.

Square Three Inc. holds six California Contractors State License Board classifications, so the work that matters most is performed by a licensed contractor, not just managed by one. Every project is backed by a contractor's bond, General Liability and Workmen's Comp insurance.

State Licensed Contractor Bonded General Liability Insured Workmen's Comp Insured
B
Class B

General Building Contractor

Full authority to build and manage any structure requiring multiple trades, from townhomes to podium mixed-use buildings.

C-10
Class C-10

Electrical Contractor

Power distribution, wiring, lighting and low-voltage systems installed by our own licensed electrical team.

C-16
Class C-16

Fire Protection Contractor

Fire sprinkler and suppression systems designed to code and installed to protect people and property.

C-20
Class C-20

HVAC Contractor

Heating, ventilation and air conditioning: mechanical systems engineered for comfort and efficiency.

C-36
Class C-36

Plumbing Contractor

Water supply, drainage, gas and rough-in through finish, executed by licensed plumbers on every project.

C-43
Class C-43

Sheet Metal Contractor

Ductwork, flashing and fabricated metal systems, precision-built and installed in house.

Don't take our word for it. Check the license yourself.California Contractors State License Board · License #1075734

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1Roof · One Team
Design to Delivery
About Us

Design-build, end to end.

Square Three Inc. (CSLB Lic #1075734) is a San Jose, California based design-build construction firm offering end-to-end project delivery: from acquisition and design consulting to full-scale general contracting and trade execution.

With decades of combined experience in residential and mixed-use development, our team provides integrated solutions that balance design innovation, cost efficiency and timely delivery. We bring architects, engineers and builders together under one roof to streamline coordination and reduce project risk.

Our PhilosophyWe believe in building with purpose and responsibility, blending innovative design thinking with sustainable practices. Value-driven, transparent and scalable construction, turning every concept into reality with precision and integrity.
Our Services

Every phase of the construction lifecycle.

A comprehensive range of design-build and consulting services, so your project starts on a foundation of clarity and finishes on time and on budget.

Acquisition Consulting

Our Acquisition Consulting covers the entire project lifecycle, from identifying opportunities to closing deals with confidence, combining technical insight, financial modeling and risk management.

  • Sourcing & Evaluation: identifying high-potential projects aligned with your goals.
  • Bidding & Contracting: supporting initial bids, negotiations and contracting strategy.
  • Due Diligence: thorough reviews before contingency removal and closing.
  • Concept Design & Proforma: aligning design vision with financial feasibility.
  • Risk Analysis & Mitigation: detecting and eliminating poor-performing projects early to save time and money.
  • Stakeholder Coordination: early input from city/county officials, design teams, construction managers and sales/marketing for smooth approvals.
Value Add

We help you de-risk acquisitions, optimize returns and fast-track decision-making, so every project begins on a foundation of clarity and confidence.

Design Consulting & Permits

End-to-end design lifecycle consulting and permit processing, guiding your project from the first concept sketch through Ready-to-Issue (RTI) permits while aligning design with cost control.

  • Concept & Entitlement Design: early-stage designs aligned with project proformas and owner objectives.
  • Design Development (DD) & Construction Documents (CD): complete technical drawings for approvals and execution.
  • Neighborhood & Authority Outreach: coordination with City, County and Council representatives to accelerate approvals.
  • Permit Processing: submissions managed and tracked until RTI, with full support for pulling permits.
  • Project Coordination: multiple disciplines and stakeholders managed on the owner's behalf.
Value Add

A stable, cost-conscious design early in the lifecycle, avoiding redesign delays and costly changes while permit approvals are fast-tracked through proactive engagement.

General Contractor & Consulting

Comprehensive construction and project management through our licensed General Contracting division: strategic pre-construction consulting and full-scale execution backed by in-house trades and modern management tools.

  • Pre-Construction Consulting: value engineering, cost analysis and proforma management before breaking ground.
  • General Contracting: construction operations, site logistics, subcontractors and inspections managed with precision and accountability.
  • Self-Performed Trades: lower cost and higher quality through direct execution of foundation/podium, framing, plumbing, electrical, mechanical, stucco and siding.
  • Project Management: advanced tools for transparent communication, productivity tracking and streamlined workflow.
Value Add

An integrated GC and consulting approach gives complete control, transparency and cost efficiency, with projects executed safely, on time and within budget.

Trades Sub-Contracting

Comprehensive trade contracting for building projects from rough-in to finish, on new construction and remodel projects alike. Our in-house and partner teams bring deep field experience, quality workmanship and cost efficiency to every phase.

  • Structural & Podium Works: concrete foundations and podium slabs.
  • Framing & Envelope: precision wood framing, exterior sheathing and siding.
  • Mechanical, Electrical & Plumbing: full MEPF coordination and installation.
  • Fire Sprinkler, Drywall & Stucco: turnkey interior and exterior finishes.
  • Remodel Trades: our trades are available for remodel work as well as ground-up construction.
Value Add

Skilled trade execution paired with disciplined project management delivers scalable, high-quality, competitively priced work that integrates seamlessly with design and general contracting.

Self-Performed & Sub-Contracted Trades

Our crews build it ourselves.

Direct execution means tighter schedules, better quality control and lower cost, from the first pour to the last coat of stucco, on new builds and remodels.

1

Acquire

Source, evaluate and underwrite with real numbers.

2

Design

Concept to DD and CD, tied to the proforma.

3

Permit

Entitlement and approvals through Ready-to-Issue.

4

Build

GC leadership with in-house licensed trades.

5

Deliver

Safe, on time and within budget.

Our Expertise

Our past experience shapes every decision.

Projects executed by our team define our expertise across every scale of residential and mixed-use construction.

SF
Single Family ResidencesGround-up new construction homes
TH
TownhomesCompact, efficient multi-unit communities
M
Traditional & Modular ConstructionBuilt conventionally or delivered modular
V
Type V wood framing over concreteOne or two levels of podium
IIIA
Type IIIA six-story wood-framed building over podiumHigh-density mid-rise construction
UG
Underground & over-ground concrete podiumStructural foundations and parking levels
RM
Remodel TradesLicensed trade work for remodel projects
UNDERGROUND PARKING CONCRETE PODIUM TYPE V WOOD FRAME
Project Portfolio

Shaping the Bay Area skyline.

From elegant single-family homes to 100-unit mixed-use communities across prime Bay Area locations.

THE SQUARE THREE INC TEAM’S COMBINED PRIOR PROJECT EXPERIENCE

Full Project List

OUR TEAM’S SHARED TRACK RECORD OF COMPLETED PROJECTS

Smaller-Scale Developments

Elegant single-family and compact multi-unit homes across prime Bay Area locations.

Medium-Scale Developments

Balanced urban communities integrating modern living with mixed-use design.

Large-Scale Developments

High-density mixed-use and residential projects shaping city skylines.

Remodel Trades

Remodels, done by licensed trades.

Beyond ground-up construction, our trades take on remodels. Kitchens, bathrooms and living spaces are refreshed with new cabinetry, stone countertops, flooring, lighting and fixtures, with the same precision we bring to large projects.

KitchensCabinetry, countertops, backsplash, appliances and flooring.
BathroomsVanities, lighting, plumbing fixtures and finishes.
Living SpacesFlooring, paint, lighting and finish work throughout.
Kitchen Remodel
Living Space
Bathroom Remodel
Kitchen Remodel
Plumbing (C-36), electrical (C-10), HVAC (C-20) and sheet metal (C-43) are performed by our own licensed trades, on remodels as well as new construction.
Contact Us

Let's build something great.

Tell us about your project. Our licensed team will get back to you.

Phone408 228 7302
Emailteam@squarethreeinc.com
Office1016 South De Anza Blvd, #E106
San Jose, CA 95129
California ContractorCSLB Lic #1075734

Start Your Project

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