Understand the process. Keep your judgment.

An independently authored educational resource about the decisions, people and financial relationships behind real estate development.

Fictional examples, transparent assumptions

All named projects and numerical scenarios are fictional. They illustrate principles and are not quotations, appraisals, engineering designs, regulatory approvals or investment recommendations. Real requirements vary by project, agreement and jurisdiction. Qualified professional review is needed for real decisions.

The enterprise ownership case

Juniper Ridge serves one company’s applications and private cloud. Its model tracks facility and enterprise IT capital, energy, facilities and IT operations, a year-six equipment refresh and ten years of total and discounted ownership costs. Figures are invented teaching assumptions; no tenant rent, capitalization value or investment return is imputed to this enterprise facility.

How the income-property comparisons work

Riverton starts with annual net base rent and nonrecoverable owner expenses. Expanded controls separately identify concessions, recoveries and recoverable costs. NOI excludes debt service, capital spending, depreciation and income taxes. Value is NOI divided by the assumed cap rate; value above cost is not realized profit.

Detailed carry replaces the preliminary allowance. Land is funded at closing, remaining eligible costs are drawn evenly, and interest is paid by equity using the opening balance plus half the current draw. Delays follow the base construction period. Permanent debt takes out the facility at the same balance and uses the selected fixed rate and amortization.

Annual returns shown in expanded mode begin at stabilization. Dated returns include development time and use actual days divided by 365. A sale uses the next year’s NOI. IRR is undefined if flows lack both signs, contain ambiguous sign changes or have no supported root. Financial values retain calculation precision and are rounded only for display.

The operating model applies growth to total NOI and assumes no interim development income. It does not forecast tax, future capital replacement, complex rent rolls, floating-rate debt, defaults, lender fees or an actual partnership agreement. Waterfalls are separate illustrative allocation exercises.

Your data stays in your browser

There is no login, analytics service, third-party cookie or required external API. Progress, preferences, model inputs and written responses use local browser storage. They do not sync. Browser clearing, private-mode closure or device loss can erase them. Export a JSON backup from your learning notebook and store it somewhere you control. Imports are validated before replacing existing data.

Content, 3D assets and narration

The orbitable campus combines authored architecture, photographic surfaces from Poly Haven, PBR grass from ambientCG, and animated Microsoft Rocketbox people. Natural narration was generated with OpenAI and is disclosed as AI-generated. Recordings, models and textures are served locally by the website; playback makes no provider API requests. Source licenses and asset credits are included in the release. Runtime software notices and character asset license are also available on this site.

Lessons, exercises, cases, SVG diagrams and the visual system were created for Development Atlas. The app uses system fonts and no externally hosted image or font assets. Open-source dependency license records are included with the source release.

Technical references

Return conventions can be compared with Microsoft’s XIRR documentation. The distinction between principal and interest is consistent with the CFPB’s explanation of mortgage amortization. The explanations and fictional numerical cases here are original.

Access and navigation

All stages and lessons are directly linkable. Controls support keyboard input and visible focus; charts have textual or tabular equivalents. Reduced-motion preferences are respected. Financial work and depth preferences persist while you move among pages.

Internal milestones are learning records, not accredited credentials. Review the source documentation for calculation details, tests, limitations and maintenance instructions.