Ontario ADU Plans

Start your project by browsing ADU plans that have been selected by Ontario

Browse the top ADU plans in Ontario

Over 1036 ADUs have been built in San Bernardino County!
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The Average ADU cost in California is $150,000
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Browse ADU Plans

Note that Ontario has not pre-reviewed or selected ADU plans. The plans featured on this page are offered by ADU suppliers in Ontario.
If you represent this Jurisdiction, you can Claim This Page to add plans.

Good news! These plans have been selected by Ontario so you can be assured that the designs can be permitted.

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Prospect
320000
$
800
sf
•
38
'
x
32.1
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Adore Horizon 866
329900
$
866
sf
•
31.6
'
x
27.6
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Connect 3
405900
$
960
sf
•
40
'
x
24.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Arlo
165000
$
535
sf
•
42
'
x
12.8
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Snap ADU Two-Story 2b2b
385000
$
1200
sf
•
30
'
x
20.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
The Modal 01
245000
$
432
sf
•
32
'
x
13.5
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Vor 640
134900
$
640
sf
•
40
'
x
16.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
The 146
30000
$
146
sf
•
15
'
x
10.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
The 106
27000
$
106
sf
•
11
'
x
10.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Kithaus K6
81500
$
330
sf
•
25.5
'
x
13.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Kithaus K9
115000
$
468
sf
•
38
'
x
13.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Kithaus K4
59500
$
226
sf
•
17.4
'
x
13.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Kithaus K7
94500
$
390
sf
•
30
'
x
13.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
HO4
193537
$
704
sf
•
31
'
x
23.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
HO3
173236
$
534
sf
•
40
'
x
24.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Connect 5
400632
$
1600
sf
•
40
'
x
40.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Connect 2
226486
$
640
sf
•
40
'
x
16.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Model 480
108960
$
480
sf
•
24
'
x
20.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Model 264
60000
$
264
sf
•
22
'
x
12.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Plus Hus Full
79000
$
320
sf
•
20
'
x
16.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Sela Plus
38900
$
120
sf
•
12
'
x
10.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Erez 540
177900
$
540
sf
•
27.25
'
x
20.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Adam 800
254900
$
800
sf
•
40
'
x
20.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Oren 1104
338900
$
1104
sf
•
48
'
x
23.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Gal 442
148900
$
442
sf
•
30
'
x
14.8
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
The H1200a
180000
$
1200
sf
•
45
'
x
27.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
The H750
138000
$
750
sf
•
32
'
x
23.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
The H650b
122000
$
650
sf
•
44
'
x
15.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
The H800
147000
$
800
sf
•
40
'
x
20.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Duo
149000
$
481
sf
•
11.5
'
x
42.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Mono
118000
$
368
sf
•
11.5
'
x
28.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Holo
97500
$
240
sf
•
10
'
x
24.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Abodu Two
312800
$
610
sf
•
44
'
x
14.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Abodu One
268800
$
500
sf
•
35
'
x
14.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
Abodu Studio
228800
$
340
sf
•
28
'
x
12.0
'
Studio
2 Bedroom
3 Bedroom
1 Bedroom
Plan Details
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ADU Plans
Prospect
Adore Horizon 866
Connect 3
Arlo
Snap ADU Two-Story 2b2b
The Modal 01
Vor 640
The 146
The 106
Kithaus K6
Kithaus K9
Kithaus K4
Kithaus K7
HO4
HO3
Connect 5
Connect 2
Model 480
Model 264
Plus Hus Full
Sela Plus
Erez 540
Adam 800
Oren 1104
Gal 442
The H1200a
The H750
The H650b
The H800
Duo
Mono
Holo
Abodu Two
Abodu One
Abodu Studio
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