Built In Boston Email Finder — Find Employee Emails | Signal Plug

Built In Boston is a technology company based in Lisbon, United States. The company was founded in 1961 (65 years ago). Signal Plug searches in real time against builtinboston.com's mail server — not a static database — to find and verify email addresses for Built In Boston employees.

About Built In Boston

Built In Boston delivers innovative technology solutions helping businesses modernize their operations and drive digital transformation.

Industry: Technology
Website: www.cityofboston.gov
Headquarters: Lisbon, United States
Company Size: 1001-5000 employees
Founded: 1961
Founders: John Winthrop
LinkedIn: Built In Boston on LinkedIn

Email Format at Built In Boston (builtinboston.com)

Signal Plug hasn't yet accumulated enough lookups for builtinboston.com to confirm an email format with high confidence. When you run a search, Signal Plug tests all common patterns against Built In Boston's live mail server and returns whichever one passes the SMTP check.

For Technology like Built In Boston, the most commonly used email patterns are:

firstname.lastname@builtinboston.com — e.g. john.smith@builtinboston.com
f.lastname@builtinboston.com — e.g. j.smith@builtinboston.com
firstname@builtinboston.com — e.g. john@builtinboston.com
firstnamelastname@builtinboston.com — e.g. johnsmith@builtinboston.com

Run a search below to get a real-time result for the specific Built In Boston contact you need.

How to Find Email Addresses at Built In Boston

Signal Plug performs live SMTP verification against builtinboston.com's mail server — not a static scraped database — which means results reflect the real, current state of Built In Boston's email infrastructure. Here's how to run a lookup:

Create a free account — Sign up at Signal Plug in under 30 seconds. No credit card required. The Free plan includes 10 searches per month so you can test the tool with real Built In Boston contacts before upgrading.
Enter the contact's name — Type the first and last name of the Built In Boston employee you want to reach. Signal Plug handles all seniority levels, from C-suite to individual contributors.
Enter the domain — Use builtinboston.com. Signal Plug tests all common naming patterns against Built In Boston's mail server automatically and returns only the format that passes the SMTP check.
Get a verified result — Signal Plug returns an email address with a confidence score (0–100) and deliverability status (Valid, Risky, or Catch-all) within 2 seconds. The confidence score tells you how reliable the result is before you use it.
Export and use — One-click CSV export lets you bring Built In Boston contacts into Salesforce, HubSpot, Outreach, Lemlist, or any other tool in your stack. Growth and Scale plan users can run bulk lookups across an entire list of Built In Boston names in a single batch.

Common Built In Boston Contacts to Search

Signal Plug has verified leadership data for Built In Boston. These executives are among the most searched contacts at builtinboston.com:

John Winthrop (Founder) — Find John Winthrop's email

Beyond the executive team, these are the roles most frequently prospected at Technology like Built In Boston:

Chief Technology Officer
VP of Engineering
Product Manager
Head of Sales
Marketing Director
Software Engineer
Business Development Manager
Data Scientist
DevOps Lead
UX Designer
Chief Revenue Officer
Director of Partnerships
VP of Product
Head of Customer Success
Principal Engineer
Engineering Manager

Signal Plug works for any role at any seniority level. If you have a name and the builtinboston.com domain, you can find a verified email — from the CEO to individual contributors.

Why Use Signal Plug for Built In Boston Email Lookup

Most email finder tools pull from static databases of scraped email addresses. These databases go stale as people change jobs and companies update their email infrastructure. Signal Plug takes a different approach: every search performs a live check against builtinboston.com's mail server using SMTP verification. This means results reflect the current state of Built In Boston's email system — not a cached result from months or years ago.

Signal Plug enriches every result with supporting data: a confidence score (0–100), deliverability status (Valid, Risky, or Catch-all), job title where available, and LinkedIn profile URL. This context helps you prioritize which Built In Boston contacts to email first and personalize your outreach before you hit send. Plans start at $29/month for 500 searches — no annual contracts or seat fees. See our email finder tools guide for outreach tips.

Frequently Asked Questions — Built In Boston

How accurate are Signal Plug results for Built In Boston?

Signal Plug performs a live SMTP check against builtinboston.com's mail server for every query — not a static database lookup. This means results reflect the actual current state of Built In Boston's email infrastructure at the time of your search. Our platform-wide accuracy rate is 94%. Each result comes with a confidence score (0–100) so you can gauge reliability before using the address.

How many Built In Boston contacts can I search per month?

Your plan's monthly search limit covers all companies in the Signal Plug directory, including Built In Boston. There are no company-specific caps. The Free plan includes 10 searches per month. Starter ($29/month) gives you 500 searches, Growth ($149/month) covers 2,000 searches, and Scale ($299/month) covers 5,000 searches per month.

Does Signal Plug store employee email addresses from Built In Boston?

No. Signal Plug generates and verifies email addresses in real time using SMTP checks — we do not maintain a scraped database of Built In Boston employee emails. This is why our results are more accurate and current than database-driven tools. Results are generated fresh for each query rather than pulled from a stale cache that may be months or years old.

Can I find the email of John Winthrop, who co-founded Built In Boston in 1961?

Yes, if John Winthrop is still active at Built In Boston or still uses a builtinboston.com email address, Signal Plug can find and verify it. Enter the first name, last name, and builtinboston.com as the domain. If John Winthrop has moved on or uses a different domain, Signal Plug will return the result it finds with an appropriate confidence score.

Does Signal Plug find emails for Built In Boston employees outside Lisbon?

Yes. Built In Boston is headquartered in Lisbon, United States, but Signal Plug works for employees at any Built In Boston office or remote location worldwide. As long as an employee uses a builtinboston.com email address, Signal Plug can find and verify it regardless of their physical location. The search requires only a name and the builtinboston.com domain.

Find Email Addresses at Built In Boston

Signal Plug searches in real time against builtinboston.com's mail server to find and verify email addresses for Built In Boston employees. Enter a name, enter the domain, and get a verified result with a confidence score in under 2 seconds.

Start finding emails free — 10 free searches per month, no credit card required. Upgrade to Starter for 500 searches at $29/month.

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