What Monadnock Construction does

Monadnock Construction Inc. is a privately held general contractor founded in Brooklyn, New York in 1973. The company serves property owners, developers, housing authorities, and institutional clients across the New York metropolitan market, with a defining focus on affordable and workforce housing. It also performs market-rate, luxury residential, and renovation/retrofit work, with particular technical emphasis on high-performance and Passive House building systems.

The company's core capabilities center on preconstruction services, in-house labor crews, conscientious project teams, and large-scale construction capacity. Its most notable technical achievement is The House at Cornell Tech, completed in 2017 as New York's first multi-family Passive House building and at the time the largest Passive House apartment building in North America, delivered ahead of schedule and below budget. This establishes first-mover expertise in Passive House methodology for multi-family construction in the U.S. Northeast.

The business model is project-based, generating revenue through fixed-price or cost-plus contracts as a general contractor. Pricing is not publicly disclosed and is negotiated directly with project owners. Distribution is entirely through direct enterprise sales and RFP response, with no intermediaries, channel partners, or technology platform distribution. The company operates a related real estate development entity, Monadnock Development, creating a degree of vertical integration between development origination and construction execution within the broader Monadnock organization.

Name

Monadnock Construction

Legal name

Monadnock Construction Inc.

Website

https://moncon.com

Company type

Private

Founded year

1973

Operating status

Operating

Headcount range

251–500 employees

Short description

Monadnock Construction is a Brooklyn-based general contractor founded in 1973 that builds affordable housing, market-rate residential, and high-performance Passive House projects for developers, housing authorities, and institutional clients across the New York market.

Ownership category

akta.pro rank

Product category

General Construction Services

NAICS

New Multifamily Housing Construction (except For-Sale Builders) (236116), Nonresidential Building Construction (2362)

SIC

General Bldg Contractors - Residential Bldgs (1520), General Bldg Contractors - Nonresidential Bldgs (1540), Operative Builders (1531)

akta.pro primary industry

Spec Home / Production Homebuilding (Tract & Volume Builders) (IMAFABAD)

Keywords

• General contracting services
• Affordable housing construction
• High-performance buildings
• Passive house construction
• Building renovation retrofits

Headquarters

HQ city

Brooklyn

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales

Revenue model

1. General Construction Services: Project-based construction services as a general contractor serving the New York affordable housing and high-performance building markets. Revenue is generated through fixed-price contracts or cost-plus arrangements for construction projects.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Monadnock Construction is a Brooklyn-based general contractor providing full-service construction for affordable housing, market-rate/luxury residential, and renovation/retrofit projects in New York. The firm delivers preconstruction services, in-house labor crews, and large-scale construction capacity, with notable expertise in Passive House and other high-performance building systems.

Product overview

Monadnock Construction is a traditional construction company offering general contracting services for the New York market, specializing in affordable housing and high-performance building systems. The company provides preconstruction services, in-house labor crews, and large-scale construction capacity. Their portfolio includes new construction, renovation and retrofits, serving both affordable and market-rate housing sectors. The company operates with a focus on passive house and high-efficiency building construction, with The House at Cornell Tech being a notable project representing their high-performance building expertise.

Differentiator

Problem solved

Functional benefit

Products and services

• Affordable Housing Construction
• High-Performance / Passive House Building Construction
• Market Rate / Luxury Housing Construction
• Renovation and Retrofits
• Preconstruction Services

Quantifiable outcome

• New York's first multi-family passive-house building completed ahead of schedule and below budget

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Monadnock DevelopmentcoreOthersRelated real estate development company sharing the Monadnock brand. Operating as part of the broader Monadnock organization focused on development and construction services. The development arm works in conjunction with the construction company to deliver projects.

Scale indicators2 records

Recent moves4 records

Expansion highlights4 records

Broad incumbents

• Gilbane Building Company: Large national general contractor with an active affordable housing and public-sector practice including NYC projects - broader incumbent with overlapping capabilities in Monadnock's primary segment.
• Skanska USA: International general contractor with significant NYC operations across commercial, residential, and civil infrastructure - broad incumbent with scale and balance-sheet advantages on larger pursuits.
• Turner Construction Company: One of the largest US general contractors with a major NYC presence across commercial, institutional, and residential markets - broad incumbent capable of competing for larger institutional pursuits in NYC.
• AECOM Tishman: Major NYC-headquartered general contractor (AECOM) handling large-scale commercial, residential, and institutional projects - broad incumbent operating in the same geography at larger scale.

Direct peers

• Joy Construction Corp: NYC general contractor with strong focus on affordable housing and non-profit housing developers in the New York area - direct comparable serving the same primary customer segment.
• Cauldwell Wingate Company: Long-established NYC general contractor serving residential, commercial, and institutional clients in the New York market - comparable regional GC with similar project mix and customer base.
• Lettire Construction Corp: New York City general contractor focused on residential and institutional construction including affordable housing, with multi-decade presence in the NY market - directly comparable in customer base, geography, and project mix.
• Pavarini Construction: NYC general contractor serving residential, hospitality, and institutional clients in the New York metro area - regional peer with comparable project mix and customer base.
• Mega Contracting Group: NYC general contractor specializing in affordable housing, supportive housing, and community facilities for non-profit and public-sector clients - direct comparable in affordable housing GC work.

Others

• Monadnock Development: Affiliated real estate development company sharing the Monadnock brand, operating in conjunction with the construction arm on integrated development-construction projects - ecosystem/related entity rather than competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/monadnock-construction
• Instagraminstagram.com/monadnockconstruction

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Monadnock Construction