TL;DR: If you are replacing Start Closing, the closest options are Laguna, Spaces Life, Atmos. The table below compares 12 alternatives on what they do, stage, size and status.
Every alternative below is compared on what it actually does, not just its category — so you can see which one genuinely replaces Start Closing (YC Winter 2016).
Last verified:
The three closest alternatives to Start Closing are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Laguna | — | YC Winter 2020 | 2 | Inactive |
| Spaces Life | — | YC Winter 2009 | — | Inactive |
| Atmos | The entire homebuilding process, all online | YC Summer 2020 | 30 | Inactive |
| Sakneen | Shopify for Real Estate Developers | YC Winter 2020 | 9 | Active |
| Riley | MailChimp for SMS | YC Winter 2017 | 2 | Inactive |
| PermitFlow | Construction's AI Platform | YC Winter 2022 | 80 | Active |
| EquipmentShare | Cloud solutions for the construction industry. | YC Winter 2015 | 5400 | Public |
| Ladder | Labor Marketplace for Construction | YC Summer 2020 | 1 | Acquired |
| Smart Alto | Easiest way to set appointments with real estate leads | YC Winter 2017 | 8 | Inactive |
| ArchiLabs | AI Data Center Design | YC Fall 2024 | 2 | Active |
| Doorport | Acquired by Alarm.com - We make existing apartment access smart. | YC Winter 2019 | 3 | Acquired |
| Union Apartment | Furnished Co-living Apartments for International Students, here in… | YC Winter 2019 | 12 | Inactive |
It depends on your size. Laguna is the closest match on what Start Closing actually does. If you need something more established, sort the table by team size — larger teams generally mean more support and a longer track record. If budget is the constraint, the earlier-batch companies are usually the ones still competing on price.
Start Closing is no longer listed as active, so anyone still relying on it should plan a migration to one of the alternatives above.
Every company here is Y Combinator-backed and was matched to Start Closing on what it actually does — its own description of its product — rather than on a broad category label. Batch, team size and operating status come from the YC directory and are shown as-is. We do not rank by payment.
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