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Case Study

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Project Snapshot

Type: Detached ADU
Size: 1,200 sq ft
Use: Rental income & long-term property value
System: Block Build Systems

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The Problem

Contractor Challenges

Building a 1,200 sq ft ADU using traditional stick-built methods typically means:

  • 3–4 months of framing, MEP rough-in, and inspections

  • Multiple inspection stages causing delays and rework

  • Labor shortages driving up costs and uncertainty

  • Heavy on-site coordination in a tight residential backyard

Homeowner Challenges

From the homeowner’s perspective, ADU construction often brings:

  • Long construction periods disrupting daily life

  • Delayed rental income due to schedule overruns

  • Anxiety over appraisal, financing, and long-term value

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The Block Build Systems Solution

Block Build Systems restructured the entire construction process.

  • Factory-built structural & wall systems
    Key structural components were completed off-site under controlled conditions.

  • Rapid on-site assembly
    The main structure and exterior shell were installed in days instead of months.

  • Simplified inspections
    Integrated framing, MEP, insulation, and window systems reduced inspection complexity and delays.

  • Reduced on-site labor & risk
    Fewer trades, fewer conflicts, and a more predictable schedule.

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The Results

  • ⚡ Structural phase completed dramatically faster

  • 🧱 Minimal backyard disruption for the homeowner

  • 💰 Earlier rental readiness and faster ROI

  • ✅ Built to ICC standards and local ADU codes

  • 🏠 Full appraisal value—equivalent to a traditional ADU

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Why It Matters

This 1,200 sq ft ADU project in Hacienda Heights shows how Block Build Systems turns ADU construction into a faster, cleaner, and more predictable process—solving real-world pain points for both contractors and homeowners while delivering a permanent, code-compliant structure with long-term value.

 

Build Faster. Inspect Once. Appraise Like a Real Home

COMMERCIAL BUILDING CASE STUDY

From Material Delivery to Full Assembly in 18 Days

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Project Overview

  • Project Type: Commercial Building

  • Construction Method: BlockBuild System (Panelized / Pre-Engineered)

  • Scope: Structural shell + integrated wall systems

  • Total On-Site Duration: 18 days

  • Timeline Coverage: Material delivery → assembly → structural completion

This project demonstrates how the BlockBuild System transforms traditional commercial construction timelines by compressing months of on-site work into just 18 days, without compromising structural integrity, inspection compliance, or appraisal value.

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The Core Pain Points

🏢 Commercial Project Pain Points

  • Long construction timelines delay tenant occupancy

  • Extended exposure to weather, theft, and site risks

  • Multiple inspections slow down progress

  • Hard to coordinate multiple trades on tight urban sites

💼 Investor Pain Points

  • Delayed Return on Investment (ROI)

  • Carrying costs continue while buildings sit unfinished

  • Uncertainty in schedule = uncertainty in cash flow

  • High risk of budget overruns due to labor volatility

👷 Contractor Pain Points

  • Labor shortages and unpredictable crew availability

  • Scheduling conflicts between framing, MEP, and inspections

  • Rework caused by trade interference

  • Tight margins due to extended site duration

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How BlockBuild System Solved It

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⚙️ Pre-Engineered, Not On-Site Guesswork

All structural components were designed, engineered, and fabricated off-site, reducing field variables and human error.

🚚 Day 1–3: Material Delivery & Staging

  • Panels delivered in planned sequence

  • Minimal site congestion

  • No long-term material storage on site

🏗 Day 4–15: Rapid Assembly

  • Structural panels installed efficiently

  • Integrated framing, shear wall, insulation, and rough-in pathways

  • Reduced need for multiple specialized crews

✅ Day 16–18: Structural Completion

  • Systemized assembly reduced rework

  • Inspections streamlined due to pre-engineered compliance

  • Site ready for next phase without delay

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Before vs After

Traditional Commercial BuildBlockBuild System

3–6 months structural phase18 days total

Multiple trade overlapsSystemized assembly

High labor dependencyLabor-efficient installation

Delayed tenant occupancyFaster lease start

Unpredictable ROI timelineClear investment schedule

Key Results

  • ⏱ Up to 70–80% reduction in on-site construction time

  • 💰 Earlier tenant occupancy = faster revenue

  • 📉 Lower labor risk and scheduling exposure

  • 📈 Improved predictability for investors

  • 🤝 Contractors focus on execution, not coordination chaos

Why This Matters for Commercial Development

For commercial buildings, time is money—every day saved shortens the gap between capital deployment and income generation.
The BlockBuild System shifts construction from an unpredictable process into a controlled, repeatable workflow, benefiting owners, investors, and contractors alike.

BlockBuild Systems

Contact Us

626-722-8852 . 626-818-0202
BlockBuildSystems01@gmail.com
10303 Rush St.

S El Monte, CA 91733

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RESIDENTIAL ADU
CASE STUDY

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