Sequoia Lodges • Engineering Design Email
BPDA Compliant Designs

Pre-Designed ADU Plans for Massachusetts

An engineering design firm focused on ADU plan packages and coordination with licensed architects and engineers. BPDA-compliant, permit-ready designs with white-glove guidance; custom plans available by inquiry.

Time Saved

6+ months

Compliance

100% BPDA

Costs Avoided

$15k+

✓ Free Consultation ✓ BPDA Compliance Guarantee ✓ Coordination with Licensed Architects & Engineers
ADU Plan Visualization

Insights

Latest guidance for ADU investors

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Markets & Economy

Why ADUs outpace Boston rents

How Article 53-compliant units capture premium yields with lower vacancy.

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Planning

Financing an ADU like a portfolio

Leverage construction draws, rental pro formas, and risk buffers similar to private banking.

Explore pricing

Compliance

BPDA review checklist

Our submission playbook to avoid rounds of comments and keep permits moving.

Download checklist

Articles & Posts

Latest from Sequoia Lodges

Updates on ADU design, BPDA navigation, and coordination best practices. Follow along or connect with us on LinkedIn.

BPDA Process

Cutting weeks off ADU permit timelines

How early coordination with licensed architects and engineers reduces review cycles.

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Design

Balancing footprint and code in small lots

Plan set tips to keep massing compliant while preserving livable layouts.

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Coordination

When to bring in surveyors and MEP engineers

A simple playbook to keep ADU projects buildable, code-aligned, and on schedule.

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Approach

Our Approach

An empowered, fiduciary-minded process to keep your ADU project on track and compliant.

Big-Picture Thinking

We integrate zoning, financing, and rental goals into every design recommendation.

Portfolio Personalization

Plan sets tailored to lot constraints, accessibility needs, and preferred finishes.

Proactive Collaboration

We coordinate early with surveyors, contractors, and city reviewers to avoid surprises.

Regular Reviews

Milestone check-ins ensure compliance, budget alignment, and schedule certainty.

Why Choose Us

Why Choose Pre-Designed ADU Plans?

Skip the permit headaches and get straight to building with our BPDA-compliant pre-designed plans.

Save 6 Months

Our plans are pre-approved by BPDA, so you skip the typical 3-6 month permit review process

100% Guaranteed

Every plan is guaranteed to meet Boston's Article 53 requirements - or we fix it free

Save $15,000+

Avoid costly redesigns, permit delays, and architect revisions that plague custom plans

Services

Our Services

Engineering design firm for ADU planning, plan packages, and permit coordination in Massachusetts. Custom plans available by inquiry.

Pre-Designed Plans

Choose from our library of BPDA-compliant ADU plans. Studio, 1BR, and 2BR options available.

  • BPDA compliant
  • Ready for permits
  • Multiple sizes

Custom Modifications

Need adjustments to fit your property? We'll modify our plans to meet your specific requirements.

  • Site-specific changes
  • Layout customization
  • Material options

Permit Support

Full permit application support to ensure your project moves forward smoothly.

  • Application preparation
  • BPDA submission
  • Revision support

Pricing

Transparent Pricing

Simple, upfront pricing for pre-designed ADU plan packages and coordination. No hidden fees.

Studio ADU

$3,000
  • Complete ADU plan package
  • BPDA compliant design
  • Permit-ready drawings
  • Structural engineering
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Most Popular

1-Bedroom ADU

$4,500
  • Complete ADU plan package
  • BPDA compliant design
  • Permit-ready drawings
  • Structural engineering
  • MEP coordination
Lock this pricing

2-Bedroom ADU

$6,000
  • Complete ADU plan package
  • BPDA compliant design
  • Permit-ready drawings
  • Structural engineering
  • Full MEP design
Lock this plan set

Designs

Our ADU Designs

Modern, efficient designs that maximize space and comply with all Boston regulations.

Includes Preliminary Plans
2-Bedroom ADU Plan Preview

2-Bedroom ADU Plans

Larger family-friendly designs with two bedrooms, perfect for growing families or higher rental income.

  • 800-1000 sq ft
  • Two bedrooms
  • Full kitchen & living
  • Preliminary plan set included
Talk with an ADU advisor View Preliminary Plans PDF

About

About Sequoia Lodges

A Massachusetts-based ADU planning and design coordination firm working with licensed architects and engineers for Boston and surrounding communities.

Sequoia Lodges is a Massachusetts-based ADU planning and design coordination firm serving Boston and nearby communities.

We partner with licensed Massachusetts architects and engineers who understand Article 53 and BPDA requirements, curating compliant plan packages that save homeowners time and money.

With deep experience navigating the BPDA process, we coordinate design, permitting, and partner teams to keep projects compliant and moving.

100%
BPDA Compliant
6+
Months Saved
Book a 15-minute fit call
ADU Team Coordination

Team

Our Team

Co-Founder & Strategy Lead

Strategy Lead

ADU investment specialist focused on Boston-area homeowners. Nicholas leads client strategy, BPDA and zoning process navigation, and coordination with Sequoia’s network of licensed Massachusetts architects, engineers, and contractors to keep projects on time, compliant, and aligned with long-term portfolio goals.

Co-Founder & Principal Engineer

Principal Engineer

Principal engineer with deep expertise in structural engineering, building systems, and technical coordination. Works with architects, surveyors, and contractors to keep ADU designs structurally sound, code-conscious, and buildable.

Included with 2BR Plans

2-Bedroom Preliminary Plan Set

Get a head start on your project with our comprehensive preliminary plan set included with every 2-bedroom ADU purchase.

What's Included

  • Site Plan & Survey

    Preliminary site layout and property survey integration

  • Floor Plans

    Detailed floor plans for both levels with dimensions

  • Elevations

    All four exterior elevations showing design details

  • Building Sections

    Cross-sections showing structural details and heights

  • BPDA Compliance Notes

    Detailed notes on Article 53 compliance and requirements

Ready to View?

Preview our 2-bedroom preliminary plan set to see the level of detail we provide.

Open Preliminary Plans PDF

2BR Preliminary Plan Set

Comprehensive preliminary drawings included with your 2-bedroom ADU purchase. Perfect for early contractor discussions and site planning.

Site Plan & Survey
Floor Plans (All Levels)
Exterior Elevations
Building Sections
Compliance Documentation
Get Your Plan Set

Contact

Get Your Free ADU Consultation

Start your ADU project today. Get expert guidance on BPDA-compliant plans for Boston, Cambridge, Newton, Brookline, and surrounding Massachusetts communities.

Contact Information

Email

info@sequoialodges.com

Response within 24 hours

Office

Boston, Massachusetts

Serving Greater Boston Area

Why Contact Us Now?

  • Free initial consultation
  • Quick permit turnaround
  • BPDA compliance guarantee
  • Access to licensed Massachusetts architects & engineers

Request Your Free ADU Consultation

By submitting this form, you agree to be contacted by Sequoia Lodges regarding your ADU project.

Investing involves risk. Project timelines, construction costs, rental performance, and permitting outcomes may vary. Compliance references are based on current BPDA guidance and are subject to change.

Not legal or tax advice. Consult your legal and tax advisors before making financing or entity-structure decisions related to your ADU project.

Financing and approvals. Permit approvals depend on site conditions, surveys, and municipal review feedback.