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Guide

Getting Started with PlatNum

A quick walkthrough of how to find, analyze, and evaluate development opportunities in Whatcom County.

Overview

Discover. Opportunities. Manage.

Discover contains Area Profiles and Search. Opportunities contains Recommended deals, For Sale, and Unlisted opportunities. Manage contains Portfolio and Pipeline. Parcel analysis begins from Search or an opportunity and turns one property into a decision.

Step 1 of 5

Find a parcel

Search by address or click any lot on the map. PlatNum queries county parcel, zoning, and geometry data before highlighting the selected parcel.

Advanced · Search and parcel analysis

The Assembler

After selecting a parcel, click Add adjoining parcels to enter assemblage mode. Select up to 5 neighboring lots, then re-analyze the combined site to recompute every development concept on the merged footprint.

Step 2 of 5

Review ranked concepts

The analysis workspace ranks development concepts, shows whether renting or flipping is stronger, and keeps infeasible concepts visible when they explain a physical constraint.

Step 3 of 5

Open the pro forma

The full math view breaks each concept into acquisition, hard costs, soft costs, fees, carrying costs, valuation, and gross profit.

Step 4 of 5

Generate a report

Reports are printable screening packages with a concept render, parcel and zoning context, economics, applied rules, confidence notes, and disclaimers. Their public links expire 30 days after generation, and each report shows its exact expiration date. Share links are quick, read-only snapshots that expire after 30 days.

Manage · Step 5 of 5

Track the opportunity

Save to Pipeline when a parcel is a real deal you want to move through screening, site visit, pro forma, offer, and close. Dismiss only hides a parcel from discovery lists; it does not create a tracked deal.

Manage · Owned assets

Set up your Portfolio

Portfolio turns properties you already own into a current view of value, debt, equity, income, and possible acquisition funding sources.

  • Add a parcel-linked property when possible, or use the manual-address option when the parcel is not available.
  • For Portfolio totals, confirm current use, your role, ownership share, and current value. Income properties also need rent, vacancy, taxes, insurance, operating expenses, and management fee for NOI.
  • Classify each active secured debt and add a current payoff or balance plus monthly payment, or confirm that the property has no secured debt.
  • For Screening funding, owners and co-owners can enable Sale or Exchange and enter the dated amount supplied by the user or an advisor. Portfolio properties provide funding sources; they are not the properties being screened.
Open Portfolio

Opportunities · Acquisition workflow

Review recommended deals

Recommended deals automatically pair advantageous current listed and eligible off-market projections with a Portfolio property that could be sold or exchanged to pursue each one.

  • Open Recommended deals to automatically check positive development-profit and hold-yield projections against every enabled Portfolio sale or exchange path.
  • Each card names the source property, transaction, acquisition candidate, projected return, acquisition basis, and required equity. Listed cards use asking price; off-market cards use assessor total divided by 93.6%. Funding sources are checked independently and are never combined.
  • Use Trade from, Transaction, or Advantage sought to narrow the list. More filters exposes program, price, and location controls.
  • For hold ideas, compare projected YOC with the source property cap rate. Profit is a one-time gross projection; verify tax, transaction-cost, financing, and property assumptions.
  • Open View comparison for parcel detail, Add to Pipeline to track a candidate, or return to matching For Sale inventory.
Open Recommended deals

Where details live

Area evidence and opportunity inventory

Rates, rents, rules, and permit activity stay inside Area Profiles. For Sale and Unlisted opportunities live under Opportunities rather than beside Area Profiles.

Discover

Area Profiles

Browse counties, jurisdictions, neighborhoods, and zoning profiles for useful public context. Free includes profile summaries, assessment orientation, rules, and permit headlines; Scout adds detailed rates, rents, and permit evidence.

  • Overview
  • Rates & Rents
  • Permits
  • What’s Permitted inside a selected profile

Inside Area Profiles

Permit activity

Open Permits from Area Profiles for countywide headlines and evidence, then follow Development Activity for permits in the current map view, newest first.

  • County and jurisdiction headlines
  • Phase, program, and date filters
  • Analyze matched parcels

Opportunities

Unlisted Opportunities

A pre-ranked list of development-screened parcels in the current map view. Filter by program, zone, lot size, price, margin, or yield on cost, then analyze any result.

  • Current map view
  • Program, zoning, and economics filters
  • Analyze any result

Opportunities

For Sale

Active listings with current listing details. Some also have projected economics, so asking price and development upside can be reviewed side by side when a usable projection is available.

  • Listing only: asking price and source details
  • Projected economics: current development projection available
  • Analyze a listing to inspect or refresh its economics

Account help

Account and support

Use Account settings for plan, billing, password, and account management. When you need help, the Contact page remains available in the global footer.

Create your account

Start with your email. Existing accounts go to sign in; new accounts add their name and password, then accept the product terms before creation.

Open signup

Verify your email

Open the verification message sent after signup and follow its one-time link before signing in to the product.

Open login

Manage billing

Choose a plan, change your subscription, or open the billing portal from Plan & billing in Account settings.

Open billing

Reset your password

Request a one-time reset link for your account email. Reset links expire and can be used only once.

Reset password

Delete your account

Use the account page to permanently delete your account after password confirmation and an explicit warning.

Open account

Contact

Use Contact in the global footer or open the Contact page here for product, billing, partnership, or support questions.

Open Contact

Reference

Development glossary

Development concept is PlatNum's name for a build-and-exit option. Asking price is the seller's advertised price. Purchase basis is the acquisition cost used in the model. Max bid is the highest price that still meets the selected return target.

Margin on cost
Gross profit ÷ total development cost × 100. Strong: 15% or more. Viable: 5% to under 15%. Marginal: 0% to under 5%. Negative: below 0%.
Yield on cost
Annual net operating income (NOI) divided by total development cost.
Assessed / lot SF
County assessed land plus improvements, divided by the parcel’s lot area. A location-value measure: it tracks where a parcel is rather than how big it is.
$ / building SF
Sale price divided by the building’s floor area. Not comparable to assessed value per lot square foot, which is measured over land rather than structure.
Pipeline phase
Where a permit sits in its jurisdiction’s process — applied, under construction, or completed. Derived from the permit’s own dates, not from its status text.
Units by structure size
Residential units permitted, split by how many units the building holds: 1, 2, 3–4, or 5 and above. A count of units, not of buildings.
Construction value
Declared construction cost from the permit application, as reported to the Census Building Permits Survey. Not a market or assessed value.
Cap rate
Annual net operating income (NOI) divided by property value.
Debt yield
Annual net operating income (NOI) divided by the loan amount.
DSCR
Annual net operating income (NOI) divided by annual debt payments.
LTC
Loan amount divided by total development cost.
LTV
Loan amount divided by stabilized property value.
Land residual
Value left for the property after development costs and the target return.
Max bid
The most you can pay for the property and still meet the selected return target.
Purchase basis
The acquisition cost used by the model, from the best available price source.
Lot-shape marketability
A screening comparison of a proposed lot’s buildable home footprint with a reference set of detached homes. It reduces only added-lot value when a footprint is unusually small, narrow, or irregular; it is not a measure of buyer demand, sales comparables, or absorption.
Stabilized value
Estimated property value after construction and lease-up.

Ready to start screening?

Try the representative sample first, or open Analyze and click any parcel on the map.