API Planning and Architecture

What API Planning and Architecture does

API Planning and Architecture is a privately held architectural firm headquartered in Modesto, California, founded in 1982 (originally as Architecture Plus, Inc., rebranded in 2019). The firm provides full-service architectural design and construction administration, organized across seven service phases - site evaluation, master planning, architectural design, construction documentation, permitting, bidding and negotiations, and construction administration - and across industry verticals including commercial, retail, healthcare (veterinary, dental, behavioral health), fitness and recreation, hospitality, religious/worship, residential, and public-sector projects. From a single headquarters, it has completed over 5,000 projects across nine U.S. states (California, Nevada, Texas, Tennessee, Arizona, New Mexico, Oregon, Colorado, Kansas), serving a mix of local businesses, multi-branch enterprises (Yosemite Farm Credit, In-Shape Fitness, California Gold Development Corp.), and national-brand clients (Marriott, Starbucks, Tractor Supply). The firm is led by four principals - Joseph L. Smith (President), Rodney C. Alonzo (CEO), Brian Rosenberger (CFO), and Heidi Van Dyk (Secretary) - with combined experience exceeding 140 years.

Name

API Planning and Architecture

Legal name

API Planning Architecture Inc.

Website

https://apiarc.com

Company type

Private

Founded year

1982

Operating status

Operating

Headcount range

11–50 employees

Short description

API Planning and Architecture is a privately held architectural firm founded in 1982 in Modesto, California, providing full-service design and construction administration across commercial, healthcare, fitness, hospitality, religious, and residential verticals for clients in nine U.S. states.

Ownership category

akta.pro rank

Headquarters

HQ city

Modesto

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Architectural Design Services: API generates revenue through professional architectural service fees for design and construction projects. Services span from initial consultation through construction administration, with pricing based on project scope, size, and complexity. The firm works on projects ranging from small custom residences to large commercial developments.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

API Planning and Architecture is a professional architectural services firm that delivers comprehensive building design and project delivery services from concept through construction. Its offering covers site evaluation, master planning, architectural design, construction documentation, permitting, bidding and negotiation, and construction administration for projects ranging from custom residences to large commercial developments across healthcare, fitness, commercial, hospitality, residential, and religious/worship verticals.

Product overview

API Planning and Architecture is an architectural firm that provides comprehensive architectural services from concept through construction completion. The firm operates as a single unified service offering (not a software platform) and organizes its expertise across two dimensions: project phases (Site Evaluation, Master Planning, Architectural Design, Construction Documentation, Permitting, Bidding and Negotiations, Construction Administration) and industry verticals (Healthcare, Fitness & Recreation, Commercial, Hospitality, Residential, Religious/Worship). The firm is led by four principals and serves clients nationwide from its headquarters in Modesto, California, having completed over 5,000 projects since 1982.

Differentiator

Problem solved

Functional benefit

Products and services

• Architectural Design Services (Full Project Lifecycle) Comprehensive architectural services covering the entire project lifecycle for commercial, retail, healthcare, fitness, hospitality, residential, and religious/worship clients, from initial consultation and site evaluation through construction administration. Clients range from local businesses and community organizations to national brands such as Starbucks, Marriott, In-Shape Fitness, and Tractor Supply.
• Healthcare Architecture Industry-vertical architectural services for healthcare facilities including veterinary hospitals, dental offices, behavioral health facilities, and medical offices. Notable projects include Oakdale Veterinary Group (2023), Turlock Dental, Champion Dental (2004, Modesto), and Center for Human Services 7,200-square-foot behavioral health facility.
• Fitness & Recreation Architecture Design services for fitness and recreational facilities including health clubs, climbing gyms, and athletic centers. Notable projects include Alpine Climbing Gym, In-Shape Fitness (20+ year multi-facility relationship), and Legacy Athletic Center (2024, Ripon, California).
• Commercial Architecture Architectural design for commercial developments including retail centers, office buildings, professional offices, and shopping centers. Notable projects include Terraza (2020, Ripon), Yosemite Farm Credit offices in Turlock (2018), Modesto and Los Banos (2010), and Tractor Supply Company (2012, Jackson).
• Hospitality Architecture Design services for hotels, motels, and hospitality developments with brand-standards compliance. Notable project: Marriott Courtyard in Vacaville, California.
• Residential Architecture Custom residential design services including single-family homes, lake houses, estate homes, and multi-unit residential developments. Notable projects include The Enclave, Lake House, and Villaggio.
• Religious/Worship Architecture Architectural design for churches, worship centers, and religious community facilities with attention to sacred space design, community gathering requirements, and accessibility. Notable projects include United Methodist Church (Hughson, California) and German Baptist Church (Stanislaus County, California).

Named customers17 records

Segments7 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Carrier Johnson + CULTURE: San Diego-based architecture, interior design, and branding studio serving commercial, hospitality, and workplace markets. Comparable for principal-led California firm with interior design capability and commercial/retail vertical focus.
• LPA Design Studios: California-headquartered integrated design firm specializing in K-12/higher education, civic, healthcare, and commercial projects. Comparable for multi-vertical California practice with similar scale and project-type diversity.
• HGA: Mid-sized national architecture firm with strong healthcare, commercial, and civic practices. Comparable for healthcare facility expertise, multi-vertical service model, and project-based fee revenue structure.
• Steinberg Hart: California architecture and planning firm focused on housing, education, and community-oriented projects. Comparable for West Coast base, mixed commercial/institutional scope, and mid-sized design practice structure.
• LIONAKIS: California-based architecture and engineering firm of comparable size serving commercial, healthcare, civic, and higher education markets with a similar principal-led delivery model. Direct peer given shared West Coast footprint, multi-vertical scope, and mid-market positioning.

Broad incumbents

• SmithGroup: Large national architecture, engineering, and planning firm with deep healthcare, workplace, and higher education practices. Comparable vertical mix but operates at substantially larger scale with national/international footprint.
• DLR Group: National integrated design firm covering commercial, healthcare, education, and civic markets with broader geographic reach. Larger incumbent offering overlapping services but at greater scale and with more diversified delivery capacity.
• Perkins&Will: Global architecture and design firm with healthcare, commercial, and civic expertise. Comparable for healthcare and commercial project types, but operates at much greater scale across multiple geographies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Customer concentration

• Xx.com/apiarc
• Facebookfacebook.com/APIarc
• LinkedInlinkedin.com/company/api--architects-and-planners

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

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 API Planning and Architecture