Guides · Updated July 5, 2026
How to bid on PlanetBids: a contractor's guide
PlanetBids is one of the most common bid platforms in local government — especially across California, where cities, counties, school districts, and transit agencies run their solicitations through it. Each agency operates its own portal, so working it well is mostly about registering in the right places and letting the notifications come to you. Here's how the platform works and how to avoid the mistakes that get bids rejected.
What PlanetBids is (and who uses it)
PlanetBids is an e-procurement platform that public agencies license to run their own bidding portals. That per-agency structure is the key thing to understand: there is no single planetbids.com login that covers everything. The City of San Diego, the Los Angeles Community College District, and a transit district like SamTrans each run a separate PlanetBids vendor portal with its own registration, its own vendor list, and its own open-solicitations page.
The platform is heavily used by California public agencies — cities, counties, K-12 and community-college districts, transit and water districts — though it appears in other states too. If your service area is in California, a handful of PlanetBids registrations probably covers a meaningful share of your local public-works pipeline.
Registration: free, per agency, categories matter
Vendor registration on a PlanetBids portal is free. You create a vendor profile — business details, license numbers, contacts — and select the categories of work you perform. Category selection is not paperwork to rush through: it drives which solicitations the agency's system emails you about. Choose too narrowly and you never hear about jobs your crews could do; too broadly and the alerts become noise you learn to ignore.
Register with every agency you'd realistically mobilize for, not just the one whose job you found today. Registration takes minutes, and being on the vendor list before a bid posts is what makes the notification system work for you. Start with your city, your county, the school and community-college districts in your area, and the transit or water districts whose projects fit your trade.
Working a live solicitation
Inside a solicitation you'll find the bid documents, the schedule (pre-bid meeting or site visit, question deadline, bid opening), and the line items or bid forms. Two habits keep you responsive: download documents through your logged-in vendor account (so the agency's system records you as a document holder and emails you addenda), and acknowledge every addendum the way the instructions require — an unacknowledged addendum is one of the most common reasons an otherwise good bid is thrown out.
Many PlanetBids agencies take electronic bid submission through the portal, with the deadline enforced by the system clock — the portal simply stops accepting uploads at the due time. Treat the electronic deadline like a hand-carry deadline: upload well before it, verify every required form is attached, and don't count on a large file finishing its upload in the final minutes.
Tips that separate regulars from tourists
Watch the prospective-bidders and plan-holder lists — they tell you who you're bidding against, and on jobs where your trade is a subcontract scope, the GC plan holders are the primes to call. Check closed-bid results too: most PlanetBids portals publish bid tabulations, which are free market intelligence on who wins what work at what numbers in your area.
Public-works jobs found through PlanetBids still carry California's public-contracting overhead — contractor license requirements, DIR registration and state prevailing wage on public works, and bonds on larger jobs (see bid bonds and performance bonds). Budget for the compliance the first time; it gets cheap once it's routine.
Let the bids come to you
The per-agency structure means the real cost of PlanetBids is checking a dozen portals often enough not to miss a three-week bid window. That's the part worth automating. JobsiteBids watches PlanetBids agency portals alongside Bonfire, statewide systems, and the federal SAM.gov feed, scores each solicitation against your trade and service area, and delivers the matches in a 6 AM digest — browse the agencies we track or see how the state & local market works.
Frequently asked questions
- Is PlanetBids free for vendors?
- Yes. Registering as a vendor on a PlanetBids portal is free, and so is downloading documents and submitting bids. Each agency runs its own portal, so you register separately with each one you want to bid for.
- Do I have to register on every PlanetBids portal separately?
- Yes — there is no universal PlanetBids login. Each city, county, district, or authority runs its own vendor portal with its own registration and vendor list. Register with every agency in your service area so their notifications reach you before bids close.
- Why didn't I get an addendum notification on PlanetBids?
- Agencies notify registered document holders. If you downloaded bid documents without logging in — or from a copy someone emailed you — the system doesn't know you're a prospective bidder. Always download through your vendor account, and acknowledge every addendum as instructed; unacknowledged addenda are a common reason bids are rejected.
Put this on autopilot.
JobsiteBids watches SAM.gov and a growing set of state & local portals, parses every packet, and emails your strong matches at 6 AM — ranked against your trade, service area, and bid size.