Houston, TX

HOUSTON ARBORETUM & NATURE CENTER

EIN 74-1587880

Environment & Animal Welfare Environmental Education & Advocacy Children & youth

Mission

To provide education about the natural environment to people of all ages and to protect and enhance the Arboretum as a haven and sanctuary for native plants and animals.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

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About HOUSTON ARBORETUM & NATURE CENTER

Houston Arboretum & Nature Center is a 155-acre nonprofit urban nature sanctuary on the western edge of Memorial Park in Houston that offers trails, native-plant habitat, environmental education, and community programs for visitors of all ages. The organization operates as a 501(c)(3) and publishes its Form 990s and audited financials publicly, and the EIN provided (74-1587880) matches the Arboretum's IRS filings and nonprofit records.

The Arboretum runs year-round programming including children’s camps and school field trips, adult classes, volunteer habitat restoration, plant sales, and rotating public exhibits (recent examples include prescribed fire management, a fall plant sale, and the Houston Monarch Story installation). It serves a broad public audience while focusing programmatic outreach on nature education for children and families.

Notable achievements

Established 155‑acre urban sanctuary

Maintains a 155-acre sanctuary within Memorial Park that preserves coastal prairie, forest, and wetland habitats and supports hundreds of native plant species while providing trails, interpretive exhibits, and a nature center for public enjoyment and education.

Houston Monarch Story installation (2025)

Hosted the Houston Monarch Story, an interactive public art and habitat installation that opened in March 2025 to raise awareness of monarch migration and coastal prairie restoration through large-scale sculptures and native plantings developed in collaboration with university and community partners.

Robust education & outreach programs

Operates recurring children’s programs (Discovery Days, summer camps, homeschool classes), teen volunteer opportunities, adult classes, and community events; the Arboretum reports serving a large, multi-hundred-thousand annual audience through onsite visits, programs, and outreach.

At a glance

Total assets: $7.3M
Annual revenue: $3.8M
Tax status: 501(c)(3)Public charity
EIN: 74-1587880
Location: Houston, TX
Website: houstonarboretum.org
On Mahalo since: September 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

Public nonprofit profile and filings: the organization’s IRS Form 990s and audited financial statements are publicly available and profiled in nonprofit data resources.

Listed and evaluated by national charity information services and directories that maintain profiles for donor research and financial review.

Community and academic partnerships: recognized locally for collaborative projects with universities, volunteer chapters, and corporate supporters (examples include partnerships that supported the Houston Monarch Story).

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