Igni

Permit Data vs Bid Boards & Cold Lists

Fresh permit filings vs bid boards and cold lists: how forward-looking permit data differs from already-shopped leads and aging purchased lists.

If you're looking for construction work, three very different things get lumped together as "leads": a fresh building-permit filing, a project posted to a bid board, and a purchased cold list of property owners. They feel similar, but they sit at different points in the project's life and carry very different odds. This page compares them honestly so you can pick the right tool — or combine them deliberately.

The short version: a permit is a signal you act on, while a bid board is a marketplace you compete in and a cold list is a contact set you work. None is strictly "better"; they answer different questions. For how fresh permit signal turns into outreach, see our guide to getting construction leads.

How they compare

Permit Data vs Bid Boards & Cold Lists: Igni versus Bid boards & cold lists
DimensionIgniBid boards & cold lists
What you actually getThe public permit record, surfaced early and typed by project.A project marketed to bidders, or a purchased list of owner contacts.
Direction in the timelineForward-looking — a filing as it posts, while the project is being scoped.Often a project already being shopped, or list data of varying age.
ExclusivityPublic records, not exclusive — the edge is speed and precise filtering.Bid boards typically present the same project to several bidders at once.
Sourcing transparencyTraceable to official municipal open-data portals.Varies — board-submitted or curated; cold-list sourcing can be opaque.
FreshnessSub-24h where the source portal supports it, ingested continuously.Varies by provider; cold lists in particular can be stale.
TargetingFilter by ADU type, valuation, ZIP, status, owner-builder, SB-9/SB-10.Usually by trade or category as posted; list filters vary by vendor.
ADU classificationTyped ADU classification (detached / attached / junior / conversion).Rarely ADU-typed — depends entirely on the provider.
Cost modelContact-driven during the pilot (pre-revenue, no public self-serve checkout).Subscription, pay-per-lead or pay-to-bid models — varies by provider.

A signal versus a marketplace versus a list

The cleanest way to tell these apart is by what they fundamentally are. Permit data is a signal: a documented public event — an owner engaged the building department — that you choose to act on. A bid board is a marketplace: a place where projects are posted and multiple contractors compete to win them. A cold list is an inventory: a set of contacts you reach out to cold, hoping some have a live need.

Those differences shape everything downstream — timing, exclusivity, and how qualified the contact is. A permit filing is a near-bottom-of-funnel buying signal because the owner has already committed to a project; a name on a cold list usually has not. Our blog post on construction lead sources for 2026 compares these channels side by side.

Forward-looking signal versus already-shopped work

Timing is where permit data and bid boards diverge most. By the time a project reaches a bid board, it has often already been defined and is being actively shopped — you're entering a price competition that's already underway. A fresh permit filing sits earlier: the owner has committed to the project but typically hasn't lined up every trade, so reaching out while the record is fresh lets you start the conversation before the job is broadly shopped.

Cold lists have the opposite timing problem — they're a snapshot of owners that may have been compiled long ago, so any given contact may have no live project at all. Permit data is event-driven instead: each record is a recent, dated action, not a static roster.

Exclusivity and how you compete

Be clear-eyed about exclusivity in every channel. Bid boards generally show the same opportunity to multiple bidders by design, so you compete on price and responsiveness from the start. Permit data is also not exclusive — building permits are public records, available to anyone who looks — but the competitive lever is different: speed and filtering. Reaching a freshly filed owner early, with outreach specific to the project they just started, beats arriving late to a crowded bid.

So the realistic claim isn't "exclusive leads" — it's a head start. Our page for general contractors walks through how to use that speed-and-targeting advantage in practice.

Cold lists go stale; a permit is a live event

A purchased list degrades the moment it's compiled — people move, projects finish, intent fades — and you can't see which records are still live. Permit data avoids that decay because every record is a recent, dated filing rather than a static contact. You're not guessing whether a need exists; the filing is the need, documented.

That's also why filtering matters more than volume. A typed, filterable permit stream lets you act only on the projects that fit what you do — for example, residential filings above a valuation threshold in your service ZIPs — instead of dialing through an undifferentiated list. You can preview live activity in the permit dashboard.

When each fits — and where Igni sits

Match the tool to the job. Bid boards can be useful when you want ready-to-bid projects and are comfortable competing on price; cold lists can seed broad outreach when you have the volume to work them. Permit data is the right tool when you want an early, verifiable, well-targeted signal of real projects starting in your markets — and many businesses combine it with the others rather than choosing one.

Igni is a permit-data feed sourced from official open data, typed for ADUs and residential work, and contact-driven during the pilot — no public self-serve checkout yet. To see coverage in your markets, request access and tell us which cities and project types you focus on.

Frequently asked questions

What's the difference between permit data and a bid board?

Permit data is an early public signal that an owner has filed for a project, which you choose to act on. A bid board is a marketplace where projects are posted for multiple contractors to compete on. They sit at different points in the project timeline and answer different questions.

Are bid-board leads exclusive?

Typically not — bid boards generally present the same project to several bidders at once, so you compete on price and speed. Permit data is also not exclusive, since permits are public records; the advantage there comes from reaching freshly filed owners faster and with better targeting.

Is permit data fresher than a cold list?

It can be. Each permit record is a recent, dated filing, whereas a purchased cold list is a static snapshot that ages from the moment it's compiled. Igni surfaces filings with sub-24-hour freshness where the source portal supports it, so you act on current activity.

Should I use permit data and bid boards together?

Many businesses do. Bid boards can supply ready-to-bid projects, while permit data gives an earlier, filterable signal of new projects starting in your markets. They solve different problems, so combining them deliberately often works better than relying on either alone.

See how Igni fits your markets

Igni is contact-driven during its pilot. Tell us which cities and project types you focus on, and we'll show you the coverage, freshness and ADU typing for your markets.

Related reading

Competitor details change and this comparison reflects general, publicly available information — always verify a vendor's current specifics on their official site. Informational only, not legal advice.