555 to 749 Square Feet
Five Five Five vs Seven Forty-Nine
The Five Five Five is a 555 square foot, one bedroom, one bathroom ADU priced at $279,000 with a 5 month build timeline. The Seven Forty-Nine is a 749 square foot, two bedroom, one bathroom ADU priced at $369,000 with a build timeline of 5 to 6 months. Both are comfortable, standalone homes built in our own factory, the real question is how many people need a door of their own.
At a Glance
| Five Five Five | Seven Forty-Nine | |
|---|---|---|
| Size | 555 sq ft | 749 sq ft |
| Bed / Bath | 1 Bed / 1 Bath | 2 Bed / 1 Bath |
| All-Inclusive Price* | $279,000 | $369,000 |
| Typical Delivery | 5 months | 5–6 months |
| Footprint Shape | Rectangular | L-shaped |
| Best For | Couples, long-term tenants, a guest house with room to breathe. | Two-household living, parents who want privacy, premium rentals. |
*Includes a permitting budget, not final permit costs. Permits and property-specific site work (septic, retaining walls, etc.) vary by property and are confirmed in your feasibility study. Every price also includes plans, foundation, the factory build, delivery, utility hookups, appliances, and final inspection.
Where the Five Five Five Wins
Pick the Five Five Five for this.
- ● Lower price at $279,000
- ● Simple, efficient rectangle layout in 555 square feet
- ● Best fit for couples and long-term tenants
Where the Seven Forty-Nine Wins
Pick the Seven Forty-Nine for this.
- ● Second bedroom for real household separation
- ● Larger, 749 square foot L-shaped layout
- ● Built for two-household living and premium rentals
The Honest Verdict
How to actually decide.
If you are housing one person or a couple, the Five Five Five gives you a full, comfortable home at a lower price. If two households need to share the lot with real privacy, the second bedroom and larger footprint of the Seven Forty-Nine are worth the difference.
- Choose the Five Five Five if
- Choose the Five Five Five if you are housing a couple or a long-term tenant and want a guest house with room to breathe, without paying for a bedroom you do not need.
- Choose the Seven Forty-Nine if
- Choose the Seven Forty-Nine if you need true two-household living, want parents to have their own private space, or plan to rent it out as a premium unit.
Compare More
Other model comparisons.
Still Deciding?
See which one actually fits your lot: the Five Five Five or the Seven Forty-Nine.
Every property is different. Tell us your lot size, budget, and what you need the space for, and a real person on our team will tell you which model works, plus your exact price with permitting and site work factored in.
- A shortlist of which models actually fit your lot
- Honest flags on anything property-specific, like slope or septic
- A clear next step, whether that is a factory tour or a feasibility study
- No pressure, and no obligation
Once you submit, a real person on our team reviews your property and follows up within 1 to 2 business days to book your free 30-minute call. No call center, no drip campaign, just a conversation.
After we review your property, we'll invite you out to the factory, or send a member of our team to you, whichever fits your schedule better.
Building more than one? If you're a real estate developer or investor planning multiple units, let us know in the form. We offer better pricing at volume.
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