Blog — Flex Space Network

FSN Journal

Insights for flex space builders.

Frameworks, deal breakdowns, market reports, and how-to guides from the team and community building America's most in-demand asset class.

The 7 Sun Belt markets FSN members are closing flex deals in right now — and why

We pulled data from active FSN member deals across Q1 2026 and ranked the markets by opportunity score. Here is what the numbers say.

How to underwrite a flex space deal from scratch — the FSN method

Walk through our complete underwriting model step by step: land cost, construction budget, stabilised NOI, cap rate exit, and return on equity.

7 NNN lease mistakes flex developers make on their first project

From missing CAM reconciliation clauses to underestimating landlord repair obligations — Ron Rohde breaks down the clauses that hurt developers most.

The complete guide to using SBA 504 loans for flex space development

SBA 504 is one of the most underused financing tools for flex space. Here is how it works, when to use it, and how to structure your application.

Flex space construction costs in 2026 — what to budget per square foot

We surveyed FSN members and GC partners across 12 Sun Belt markets to build an up-to-date cost benchmark for ground-up flex space construction.

Nashville flex space market report 2026 — vacancy, rents, and pipeline

Nashville flex vacancy dropped to 2.9% in Q4 2025. We break down what is driving demand, where the supply pipeline stands, and which submarkets are still open.

The 12-point flex space land checklist — before you make an offer

Zoning, utilities, road access, setbacks, detention requirements — 12 things every flex developer needs to verify before submitting a letter of intent.

Flex space vs. self-storage — which wins for developers in 2026?

Both asset classes are hot. Here is a side-by-side comparison of returns, construction costs, tenant risk, and exit multiples so you can make the call.

How to raise private equity for your first flex space deal

From building the LP deck to structuring the waterfall to managing investor communication — what you need before your first capital raise call.

Hamza Ali

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