Insights

Sustainability leadership The organization has a history of deep energy retrofits, LEED Platinum certification, and EPA Energy Star recognition, indicating a strong sustainability mandate that can align with green financing, energy efficiency programs, and solar or retrofit partnerships.

Affordable housing ecosystem As a non-profit focused on safe, affordable housing and resident empowerment with a 11-50 employee base, CSTO represents a gateway to collaboration with affordable housing developers, property managers, and resident services programs seeking supportive partnerships and grant-funded initiatives.

Strong community leadership A resident-led board and a proven track record of community-facing awards suggest high community trust and engagement, which can be leveraged for program funding bids, volunteer-driven initiatives, and co-design of services with local stakeholders.

Public sector alignment Past collaboration with city leadership and recognition by municipal and federal agencies indicates receptiveness to public-private partnerships, grants, and procurement opportunities with local government and housing authorities.

Funding scale opportunity Reported revenue in the tens of millions positions CSTO as a sizable partner for grant programs, corporate sponsorships, and impact investments targeting proven outcomes in energy efficiency, affordable housing, and resident services.

Similar companies to Castle Square Tenants Organization

Castle Square Tenants Organization Tech Stack

Castle Square Tenants Organization uses 8 technology products and services including Squarespace, Wix, Squarespace Commerce, and more. Explore Castle Square Tenants Organization's tech stack below.

  • Content Management System
  • Content Management System
  • Infrastructure As A Service
  • Stimulus
    Javascript Frameworks
  • Priority Hints
    Performance
  • Pinterest
    Visual And User Generated Content Marketing
  • Sitelinks Search Box
    Web Tools And Plugins

Castle Square Tenants Organization's Email Address Formats

Castle Square Tenants Organization uses at least 2 email formats:
Castle Square Tenants Organization Email FormatsExamplePercentage
FLast@cstoboston.orgJDoe@cstoboston.org
95%
Last@cstoboston.orgDoe@cstoboston.org
5%

Frequently Asked Questions

What is Castle Square Tenants Organization's official website and social media links?

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Castle Square Tenants Organization's official website is cstoboston.org and has social profiles on LinkedIn.

How much revenue does Castle Square Tenants Organization generate?

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As of August 2026, Castle Square Tenants Organization's annual revenue is estimated to be $10M - $25M.

What is Castle Square Tenants Organization's NAICS code?

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Castle Square Tenants Organization's NAICS code is 813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations.

How many employees does Castle Square Tenants Organization have currently?

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As of August 2026, Castle Square Tenants Organization has approximately 19 employees across 1 continents, including North America. Key team members include President: A. M., Vice President: T. W. and Director: H. C. Explore Castle Square Tenants Organization's employee directory with LeadIQ.

What industry does Castle Square Tenants Organization belong to?

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Castle Square Tenants Organization operates in the Non-profit Organizations industry.

What technology does Castle Square Tenants Organization use?

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Castle Square Tenants Organization's tech stack includes Squarespace, Wix, Squarespace Commerce, Google Cloud, Stimulus, Priority Hints, Pinterest and Sitelinks Search Box.

What is Castle Square Tenants Organization's email format?

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Castle Square Tenants Organization's email format typically follows the pattern of FLast@cstoboston.org. Find more Castle Square Tenants Organization email formats with LeadIQ.

When was Castle Square Tenants Organization founded?

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Castle Square Tenants Organization was founded in 1987.
Castle Square Tenants Organization logo

Castle Square Tenants Organization

Non-profit OrganizationsMassachusetts, United States11-50 Employees

Castle Square Tenants Organization is a Boston-based non-profit focused on advancing economic, educational, and social empowerment for low- and moderate-income residents through safe, affordable housing and supportive direct services. It serves residents by addressing housing stability as well as associated social needs. Governance is community-driven, with a board composed entirely of residents.

Notable housing initiatives include a Deep Energy Retrofit completed in partnership with Winn Companies, which achieved a 72% reduction in energy use and earned LEED Platinum certification from the U.S. Green Building Council. The organization has received EPA recognition for energy performance and has built a LEED Platinum Community Center featuring spaces for technology, a media room, teen activities, a gym, and elementary education programs.

Section iconCompany Overview

NAICS Code
813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations
Founded
1987
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Castle Square Tenants Organization's revenue is estimated to be in the range of $10M - $25M

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