H2D Architecture + Design

What H2D Architecture + Design does

H2D Architecture + Design is a privately held, woman-owned full-service architecture and interior design firm headquartered in Edmonds, Washington. Founded in 2006 by Heidi Helgeson, the firm serves residential homeowners throughout the Pacific Northwest, delivering custom residential architecture (new construction, remodels, additions, ADU/DADUs), interior design (finish selection, material coordination, furniture curation), boutique commercial design, and green building design with a specialization in Passive House, ICF, and SIPs high-performance construction methods. The firm is licensed in Washington, Oregon, and California and is dual-certified as a Women Business Enterprise by the Washington State OMWBE and the Oregon State COBID.

The firm is built around a small team of credentialed architects and interior designers led by Helgeson, a Certified Passive House Designer and Registered Architect in three states. H2D's production toolkit includes 3D modeling, hand sketches, renderings, technical plans, and material sample layouts, and the firm's technical differentiation is concentrated in sustainable building expertise rather than proprietary software platforms. Recent notable projects include the Blue Ridge Green Custom home (near passive-house-level performance via ICF foundation and high-performance envelope), the Bowe Court seven-parcel development (three core plans adapted to individual lots), and a Whidbey Island compact home using SIPs construction.

H2D operates a straightforward professional services business model, billing clients hourly with monthly invoices against phase-based estimates, and acquiring customers through referrals, website, Instagram, Houzz.com features, and Seattle Times editorial coverage. Revenue is not publicly disclosed; the firm has no external investors, no subsidiaries, no parent company, and no funding rounds on record. Strategic activity over 2023-2026 has focused on geographic expansion into Oregon, repeated Seattle Times 'Best in the PNW' award wins, and builder partnerships with Carlisle Classic Homes, Rainier Custom Homes, RD Homes, Zero Energy Homes, and Clifton View Homes.

Name

H2D Architecture + Design

Legal name

H2D Architecture + Design

Website

https://h2darchitects.com

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

1–10 employees

Short description

H2D Architecture + Design is a woman-owned, full-service architecture and interior design firm in Edmonds, WA serving Pacific Northwest residential homeowners with custom homes, remodels, additions, ADUs, and Passive House sustainable design, licensed in WA, OR, and CA.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (54131), Interior Design Services (541410), Residential Remodelers (236118)

SIC

General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Residential Green / High-Performance Home Construction (Net-Zero, Passive House) (IMAFABAH)

akta.pro secondary industries

ADU Design, Architecture & Engineering (HSAPAMAF), Whole-Home Interior Renovation (Non-Structural) (HSAPAEAC), Luxury Whole-Home Renovation (High-End Finishes & Custom Build) (HSAPAEAI)

Keywords

• Custom home design
• Residential architecture
• Interior design services
• Sustainable building design
• Home remodel services

Headquarters

HQ city

Edmonds

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Architectural Design Services: Full-service architectural design for residential new construction, additions, interior remodels, outdoor living spaces, DADUs, and small commercial projects. The firm provides estimates that break down phases of design and associated fees, billing by the hour with monthly invoices.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

H2D Architecture + Design provides full-service architecture and interior design for new custom homes, residential remodels, residential additions, accessory dwelling units (ADUs and DADUs), small-scale commercial projects, and sustainable, high-performance building design. The firm is women-owned and WBE-certified, with credentials in Passive House design and Built Green, targeted at Pacific Northwest homeowners and select commercial clients since 2006.

Product overview

H2D Architecture + Design is a full-service architecture and interior design firm offering a unified portfolio of residential design services. The core offerings include Custom Residential Architecture (new construction, remodels, additions) and Interior Design Services (in-house design, material selection, furniture curation). Supporting service lines encompass ADU/DADU Design, Commercial Architecture, and Green/Sustainable Building Design specializing in Passive House and high-performance construction. The firm is licensed in Washington and Oregon, and certified as a Women Business Enterprise.

Differentiator

Problem solved

Functional benefit

Products and services

• Custom Home Design Full-service architecture and interior design for new custom-built homes targeted at residential homeowners seeking personalized, design-led new construction in the Pacific Northwest.
• Home Remodel Services Architecture and interior design services for residential renovation and remodel projects for homeowners updating or reconfiguring existing homes.
• Home Addition Design Architecture and interior design services for residential additions and expansions of existing homes for homeowners needing additional square footage or new rooms.
• ADU/DADU Design Architecture and interior design services for accessory dwelling units (ADUs) and detached accessory dwelling units (DADUs) for homeowners seeking additional living space, multigenerational setups, or rental units.
• Boutique Commercial Architecture Architecture and interior design services for small-scale or boutique commercial projects in the Pacific Northwest.
• Sustainable Building Design High-performance, energy-efficient architecture and design services using Passive House, SIPs, ICF, and Built Green construction methods for projects seeking environmental performance and certification.

Quantifiable outcome

• 20 years in business with consistent awards recognition including 2025 Best Architect (gold) and 2025 Best Interior Design Firm (silver) from Seattle Times Best in the PNW

Named customers3 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Northwest EcoBuilding GuildcoreStrategic or Co-development Partner · 29 April 2023The Blue Ridge High Performance Custom Home was featured on the 2023 Northwest Green Home Tour. H2D regularly participates in Guild events and tours, aligning with their sustainable building focus.
• Carlisle Classic HomescoreOthersCarlisle Classic Homes has built multiple H2D projects including the Blue Ridge Green Custom, Lake Washington Rustic Custom, and projects featured on the NW Ecobuilding Guild Green Home Tour. The builder works closely with H2D on high-performance custom homes.
• Rainier Custom HomescoreOthersRainier Custom Homes built the Cougar Mountain Custom project in the Belvedere neighborhood of Bellevue, working with H2D on challenging wetland and steep slope sites.
• RD HomescoreOthersRD Homes built the Bowe Court Development in Duvall, WA - a seven-parcel residential development with six new single-family homes based on H2D's three core architectural plans.
• Zero Energy Homes and Clifton View HomescoreOthersZero Energy Homes and Clifton View Homes served as Green Consultant and builder for the Whidbey High Performance Compact project, implementing SIPs construction for high energy efficiency.
• Houzz.comminorGTM or Marketing PartnerHouzz.com features H2D projects regularly including 'Bathroom of the Week', kitchen features, and trend articles, providing marketing exposure and lead generation for the firm.

Scale indicators2 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• SHED Architecture & Design: Seattle residential architecture and interior design studio offering custom homes, remodels, and ADUs in the PNW. Closely comparable small-firm model and full-service design offering to H2D.
• CAST Architecture: Pacific Northwest architecture firm with a portfolio of custom residential, multifamily, and small commercial projects. Compares to H2D on integrated architecture and interiors work for residential clients in WA/OR.
• Heliotrope Architects: Boutique Seattle firm practicing custom residential and small-scale projects with attention to craft and context. Comparable small-team studio model serving PNW homeowners.
• Olson Lewis + Associates: Seattle-based residential and small commercial architecture practice with similar custom-home and remodel orientation. Comparable boutique PNW architecture studio model.
• Risa Boyer Architecture: Seattle custom residential architecture studio with a small, design-led practice focused on remodels and new homes. Comparable in scale and PNW residential specialism to H2D.
• Olson Kundig: Seattle-based architecture firm known for custom residential and high-end bespoke homes, with portfolio overlap in material-driven, detail-rich design. Compares to H2D on PNW custom residential focus, though operating at materially larger scale.
• Prentiss + Balance + Wickline Architects: Seattle custom residential architecture firm recognized for high-design single-family homes and remodels. Closely comparable boutique scope, Pacific Northwest geographic focus, and design-led residential practice.

Broad incumbents

• DLR Group: National architecture firm with a substantial Seattle office covering residential, education, and commercial work. Adjacent comparable on integrated architecture services and presence in the PNW market.
• Mithun: Large Seattle-headquartered architecture practice with significant residential and multifamily work alongside broader portfolios. Comparable on residential and sustainable-design activity, though far larger and broader than H2D.
• LMN Architects: Major Seattle architecture firm with work spanning residential, commercial, civic, and cultural projects. Overlaps with H2D in PNW residential and high-performance building pursuits at a much larger scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/h2darchitects
• Facebookfacebook.com/h2darchitects
• LinkedInlinkedin.com/company/h2d-architecture-design

Compliance3 records

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 H2D Architecture + Design