Which costs less, the Eight Eighty-Five Duo or the Eight Eighty-Five Duo Plus?

The Eight Eighty-Five Duo is the lower-priced option at $399,000, which includes a permitting budget along with plans, foundation, and delivery, compared to $429,000 for the Eight Eighty-Five Duo Plus. Exact permit costs are set by your city or county and confirmed in your feasibility study.

When should I choose the Eight Eighty-Five Duo over the Eight Eighty-Five Duo Plus?

Choose the Eight Eighty-Five Duo if you want comfortable family or multigenerational living and one shared bathroom fits your household.

When should I choose the Eight Eighty-Five Duo Plus over the Eight Eighty-Five Duo?

Choose the Eight Eighty-Five Duo Plus if two adults are sharing the unit, you're renting at the high end, or in-law independence matters most.

885 Square Feet, Two Bathroom Counts

Eight Eighty-Five Duo vs Eight Eighty-Five Duo Plus

The Eight Eighty-Five Duo and the Eight Eighty-Five Duo Plus share the exact same footprint: 885 square feet, 2 bedrooms, the same L-shaped layout, and about 6 months to build. The difference comes down to bathrooms and budget. The 2BR has one full bathroom at $399,000, while the 2/2 adds a second full bathroom for $429,000.

At a Glance

	Eight Eighty-Five Duo	Eight Eighty-Five Duo Plus
Size	885 sq ft	885 sq ft
Bed / Bath	2 Bed / 1 Bath	2 Bed / 2 Bath
All-Inclusive Price*	$399,000	$429,000
Typical Delivery	6 months	6 months
Footprint Shape	L-shaped	L-shaped
Best For	Comfortable family living, multigenerational households.	Two adults sharing, high-end rentals, in-law independence.

*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 Eight Eighty-Five Duo Wins

Pick the Eight Eighty-Five Duo for this.

● Same 885 square feet, $30,000 less
● One full bathroom keeps it simple
● Built for family and multigenerational living

Where the Eight Eighty-Five Duo Plus Wins

Pick the Eight Eighty-Five Duo Plus for this.

● A second full bathroom for real privacy
● Fits two adults sharing or premium rentals
● Gives in-laws true independence

The Honest Verdict

How to actually decide.

If your household can comfortably share one bathroom, the 2BR gives you the same 885 square feet for $30,000 less. If two adults need their own space, or you're renting to tenants or in-laws who value privacy, the second bathroom in the 2/2 earns its keep.

Choose the Eight Eighty-Five Duo if: Choose the Eight Eighty-Five Duo if you want comfortable family or multigenerational living and one shared bathroom fits your household.
Choose the Eight Eighty-Five Duo Plus if: Choose the Eight Eighty-Five Duo Plus if two adults are sharing the unit, you're renting at the high end, or in-law independence matters most.

BBBA+Google 4.9CSLB#1047146MFG#1595931Yelp5.0

Compare More

Other model comparisons.

Small Lots, Entry Models Four Fifty vs The 405 Studio Efficiency or a Real Bedroom? → Studio vs One Bedroom Four Fifty vs Five Five Five A Studio to Start, or a Real Bedroom? → One Bedroom, Two Sizes The 405 vs Five Five Five A Cozy Bedroom or Room to Breathe? → One Bed, One Bath, Two Sizes Five Five Five vs Six Sixty More Room to Breathe, or the All-Rounder Everyone Picks? → Same Footprint, One Bed or Two Six Sixty vs Six Sixty Duo One Bedroom or Two, Same 660 Square Feet? → Two Bedroom ADU Comparison Six Sixty Duo vs Seven Forty-Nine Compact and Efficient, or More Room to Spread Out? →

Form not loading? Open it directly →

Still Deciding?

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

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.

We respect your inbox and your phone. Message and data rates may apply, message frequency varies, reply STOP to opt out or HELP for help. See our Privacy Policy and Terms & Conditions.