Top Construction Bidding Websites

What are the best construction bidding websites? Selecting the best construction bidding platform can be time-consuming and stressful. We took the time to do the research on construction bidding sites for you! Our findings highlight the top commercial online construction bidding websites for construction projects.

Top Construction Bidding Websites

Top construction companies get projects to bid on from several online construction bidding sites. But when you’re just starting out, or when you expand into a new market or region, many questions arise when looking for the appropriate bidding platform. Should you try free construction bid sites? Should you register for one or more paid ones? Which bid site has the type of projects that you’re looking for?

We took the time to do the research for you! Therefore, getting the right online platform for your construction projects is crucial. Our findings include subcontractor bidding sites and general contractor (GC) bidding sites. We highlight the top construction bidding websites for bidding commercial construction projects. Please note that there is no specific order to this list of the top construction bid websites. The best construction bidding site is the one that meets your company’s needs. Also, please keep expectations of free bidding sites for construction realistic.

BidClerk Construction Bidding Webiste

BidClerk (Bid Clerk) is one of the top commercial construction bidding websites or contractor bid sites. With 400,000+ projects in the database, it is geared towards commercial construction companies. You can access commercial bids from the United States and Canada through this construction bid app.

You can get project information based on the project type, project specifics, and contact details. This construction bidding app is very detailed and easy to navigate. Use the drop-down menu to select a state or province to start your search. Once you make a selection, you will land on a dashboard that is very detailed. You see a list of all current commercial construction projects in the location you selected. On the left side you can use different filters for your search. You can only use a limited number of filters, unless you choose to subscribe with them. For example, status, sector, and building use are available without a BidClerk login. Bonus: the platform is mobile friendly!

BidClerk does not break out costs on their website, but you can sign up for a free Bidclerk trial. At the time of this post, users reported BidClerk pricing to be about $50-$75/month for a market area.

If you choose to subscribe, your BidClerk login offers the following benefits as one of the top bidding apps:

  • Saved searches
  • Keyword search
  • Start date
  • Bidding events
  • Pre-bid events
  • Construction type
  • Last updated
  • Project value
  • Postal code
  • Certifications
  • Stories
  • Floors below grade
  • Unit types

To get started, list your contact information and your business information. BidClerk is a contractor bid site that offers powerful tools to help you find contractor bids online with your BidClerk login:

  • Bid Alerts
  • Searchable Documents
  • Powerful Search
  • Analytics and Forecasting

Build Central Construction Bidding Platform

ConstructionWire is one of the top commercial construction bidding sites, with more than 400,000 projects. It offers an impressive amount of information. Some contractors consider ConstructionWire (by BuildCentral) to be one of the best construction bid sites.

On their homepage, you can look up information based on projects name, companies, or people. The project reports give you accurate leads on new construction projects. In addition, the company reports will give you access to detailed profiles for the companies involved. In addition, the company reports will give you access to detailed profiles for the companies involved. You will also have access to detailed profiles of key decision makers. ConstructionWire construction bidding software provides networking opportunities for GC and subcontractors on their platform. If you’re looking for a free construction bid leads services or construction bid management software, Construction Wire might be the right tool for you.

You can sign up for a free 7-day trial. They offer three membership plans to choose from based on your needs:

  • Regional Portal
  • National Portal
  • Data Services
  • Flexible Pricing Plans

Building Connected Bidding Website

Our construction bid management software research revealed BuildingConnected as another example of great construction bidding websites for construction. Some of the top construction companies considered it one of the best construction bid sites. General contractors can use this commercial construction online bidding platform to manage their bidding process.

As one of the top online construction bidding websites, Building Connected clearly outlines the bid management process from start to finish. The company prides itself on being the largest real-time construction network. They also boast a friendly user interface (UX). Using this platform, you can send out invites in less than ten minutes and manage them from one place. BuildingConnected gives you the ability to compare and contrast bids side by side. As a result, the platform supports company-wide analytics, historical cost data, and relationship tracking. Sign up for a free demo of the three tools for:

  • General Contractors and Owners
  • Sub Contractors
  • Risk Teams

Building Radar Commercial Construction Bidding Website

Building Radar is a powerful commercial construction online bidding platform. Some of the best construction companies use it. For example, the construction bidding software highlights worldwide construction projects. However, the main feature is the speed at which you can find the most relevant construction leads. Building Radar’s unique artificial intelligence (AI) technology can predict construction projects months ahead. Therefore, contractors can use the construction bid management software to effectively allocate their resources. They get more exposure,  increase their chances of selling their construction services, and earning more revenue. You can choose any of the three plans when you sign up with them, based on your role in the construction industry:

  • Starter Package
  • Professional Package
  • Enterprise Package

ConstructConnect, formerly the CMD Group, is an online construction project lead source for the U.S. and Canada. They research commercial construction projects from inception and track them through to completion. The website has dashboards for architects and engineers, contractors, and manufacturers. In addition, CMD Group provides products and resources for lead generation. You can schedule a demo to learn more about membership and services and products such as:

  • Searchable project plans and specs
  • Material and skill demand prior to the availability of plans
  • Data can be exported directly into your sales management tool
  • Insights into competitors and market opportunities
  • Market insights, strategic analysis and accurate forecasting
  • Specification generation support through installation

Construction Bid Source Bidding Site

Construction Bid Source is another construction bidding website that you should consider. Firstly, their website is very easy to navigate.  Their construction bid options are very clearly laid out. Secondly, the homepage displays a search bar that allows you to look up construction projects. Thirdly, you can select to search projects by states or based on services. Last but not least, registration is free of charge. Suffice it to say, some top construction companies consider Construction Bid Source to be the best free construction bid management software. They also provide the following features:

  • What’s Bidding by State
  • Pre-bids
  • List of “Hot” Projects
  • Filter by type and publish date
  • Research
  • GFE forms
  • Latest Disadvantaged Business Enterprises (DBE) Program Solicitation Ads bidding websites

If you’re looking for construction bids online, is not just one of the top general contractor bidding sites, but one of the top subcontractor bidding sites. It is a great commercial construction online bidding platform.

With more than 100,000 projects, is a very robust platform with extensive information on construction projects. It helps customers seize market opportunities through market research and forecasting. Besides that, it helps businesses with their workflow integration and generates leads. No wonder then, that some of the best construction companies leverage the synergy Dodge Global Network and Dodge Data & Analytics. To get started, request a demo from their website.

  • Prequalification
  • Increased Exposure
  • Analytics for Increased Profitability
  • Product Catalog for Projects
  • Research and Reports
  • Integration with Dodge Data & Analytics

Government Bids

Not run by the government, but this construction bidding site provides access to more than 35,000 contracts, requests for proposals, and procurement systems for federal government contract opportunities valued at over $25,000. It is an alternative to, the official U.S. government website for federal bids. However, it does require a paid subscription, so view the options here

  • Custom-free daily alerts and bidding opportunities
  • Bidding advice section 
  • Case studies, whitepapers, articles, and a newsletter
  • Bids from all levels of government, not just federal
  • Daily email bid notifications
  • Bid summaries
  • Future opportunities
  • Support team

iSqFt Construction Bidding Websites

Now also part of ConstructConnect, iSqFt is one of the best apps for construction bidding and construction bid tracking. It is the best site for bidding small jobs and establishing relationships with GCs. For starters, the information on this contractor bidding website is well organized. Moreover, with an login, construction professionals can connect, communicate, and build relationships. When it comes to finding construction projects to bid on, the isqft app offers commercial construction companies a solution for:

  • Updated List of Bidders
  • Updated List of Projects
  • Estimating Tools
  • Comprehensive Search Function
  • Ability to Bid Subcontractors Directly
  • Daily Alerts on Projects
  • Daily Updates on Bids

iSqFt helps customers find the right people, projects, and opportunities for growth. However, for full access to the services, you have to create a profile on their sign-in page. To sum it up, the isqft login will grant construction contractors access to isqft costs, actionable information, and tools that will support them to become top construction companies.

PlanHub Construction Bidding Platform

If you’re looking for commercial construction bids, Plan Hub is a great resource as both a subcontractor bidding site and GC bid management site. It is another online bidding platform that companies consider as one of the best construction bid websites. Whether you’re looking for construction bid leads or for construction bid management, PlanHub is a great platform. It is a free cloud-based application, with no hidden fees or upgrade charges for  subscribers. Registration is free. They provide resources for both GCs and subcontractors. The GCs can sign up and post their projects in a few minutes. The subcontractors can sign up and bid on projects in their area. You can filter the construction projects by states. Using this platform, GC and subcontractors can access projects files from any location.

The main features of the construction bid management software for the GC using this website are:

  • Free registration
  • Ability to send invitations
  • No limitation on number of projects
  • Unlimited team members
  • Activity tracking
  • Bid organization
  • Instant messaging
  • Subcontractor database
  • Unlimited file space

The main features of the software for construction subcontractors include:

  • Free access to the online plan room
  • Bidding on construction projects
  • Customized construction project relevancy
  • Out of network construction bids
  • Efficient communication with the RFI Center


One of Canada’s top bidding websites, BicCentral’s online bidding site has 10,000 members. It is a one-stop website, for both those who are looking for opportunities to source bids or looking for projects. You can join for free and enjoy basic functionality or pay a monthly fee of R79 or annual fee of $875 for complete annual access to all the features and tools on BidCentral.

  • Access to current, future and awarded bidding opportunities
  • Accurate and complete project info
  • Opportunity matching
  • Automatic notifications
  • Monthly newsletter


Without a doubt, top construction companies leverage construction bidding websites for data, leads, opportunities, and project bidding and/or management. There are many construction bid sites. Our research focused on subcontractor bidding sites and GC bidding sites for commercial construction companies. In most cases the construction bidding websites accommodated both.

We recommend you read our article on How to Get Construction Leads for further insights.