Which is bigger, the Seven Forty-Nine or the Eight Eighty-Five Duo?

The Eight Eighty-Five Duo is bigger at 885 sq ft, compared to 749 sq ft for the Seven Forty-Nine.

Which costs less, the Seven Forty-Nine or the Eight Eighty-Five Duo?

The Seven Forty-Nine is the lower-priced option at $369,000, which includes a permitting budget along with plans, foundation, and delivery, compared to $399,000 for the Eight Eighty-Five Duo. Exact permit costs are set by your city or county and confirmed in your feasibility study.

When should I choose the Seven Forty-Nine over the Eight Eighty-Five Duo?

Choose the Seven Forty-Nine if you want a 2 bedroom, 1 bath ADU that builds in 5 to 6 months for $369,000 and gives two households their own separate space without paying for square footage you will not use.

When should I choose the Eight Eighty-Five Duo over the Seven Forty-Nine?

Choose the Eight Eighty-Five Duo if you want the extra room of 885 square feet for $399,000, built in 6 months, and need enough space for a family to live comfortably under one roof long term.

Two Bedrooms, One Bath, Two Scales

Seven Forty-Nine vs Eight Eighty-Five Duo

The Seven Forty-Nine is a 749 square foot, 2 bedroom, 1 bath ADU priced at $369,000 with a 5 to 6 month build timeline. The Eight Eighty-Five Duo steps up to 885 square feet, still 2 bedrooms and 1 bath, for $399,000 on a 6 month timeline. Both share the same L-shaped layout, so the real question is how much extra square footage is worth to you.

At a Glance

	Seven Forty-Nine	Eight Eighty-Five Duo
Size	749 sq ft	885 sq ft
Bed / Bath	2 Bed / 1 Bath	2 Bed / 1 Bath
All-Inclusive Price*	$369,000	$399,000
Typical Delivery	5–6 months	6 months
Footprint Shape	L-shaped	L-shaped
Best For	Two-household living, parents who want privacy, premium rentals.	Comfortable family living, multigenerational households.

*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 Seven Forty-Nine Wins

Pick the Seven Forty-Nine for this.

● Quicker build at 5 to 6 months
● Lower price point at $369,000
● L-shaped plan built for two-household privacy and premium rentals

Where the Eight Eighty-Five Duo Wins

Pick the Eight Eighty-Five Duo for this.

● 136 more square feet of living space
● Same 2 bed, 1 bath count with more room to spread out
● Comfortable fit for multigenerational households

The Honest Verdict

How to actually decide.

If your priority is privacy and a premium rental feel without maximizing square footage, the Seven Forty-Nine gets you there faster and for less. If you need more breathing room for a multigenerational household or day to day family living, the extra space in the Eight Eighty-Five Duo is worth the added cost and month.

Choose the Seven Forty-Nine if: Choose the Seven Forty-Nine if you want a 2 bedroom, 1 bath ADU that builds in 5 to 6 months for $369,000 and gives two households their own separate space without paying for square footage you will not use.
Choose the Eight Eighty-Five Duo if: Choose the Eight Eighty-Five Duo if you want the extra room of 885 square feet for $399,000, built in 6 months, and need enough space for a family to live comfortably under one roof long term.

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Still Deciding?

See which one actually fits your lot: the Seven Forty-Nine or the Eight Eighty-Five Duo.

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.

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