Versatile Living Solutions: Duplexes, ADUs, and Flex Spaces
Whether you’re seeking the perfect duplex, an accessory dwelling unit (ADU), or a detached flex space, we’ve curated a collection of properties designed to meet diverse lifestyle needs — all on the market and available TODAY.
These innovative living solutions offer flexibility, functionality, and/or the potential for additional income, making them ideal for modern homeowners.
Fully Permitted ADU
2907 S Santa Fe Ave #3
San Marcos, CA 92078
Bed
4
Bath
2
Sq Ft.
1580
Price
$424,500
200 N El Camino Real #Spc 357
Oceanside, CA 92058
Bed
2
Bath
2
Sq Ft.
1344
Price
$345,000
12766 Bolsa Dr
Eastvale, CA 92880
Bed
3
Bath
3
Sq Ft.
1772
Price
$3,300/mo
68975 Corral Road
Cathedral City, CA 92234
Bed
4
Bath
2
Sq Ft.
1827
Price
$535,000
9086 Hunter Pass
Alpine, CA 91901
Bed
5
Bath
3
Sq Ft.
3021
Price
$1,469,000
5172 Caywood St
San Diego, CA 92117
Bed
3
Bath
2
Sq Ft.
1210
Price
$989,000
8766 Kelso
Spring Valley, CA 91977
Bed
3
Bath
2
Sq Ft.
1246
Price
$719,990
141 Via Montisi
Santee, CA 92071
Bed
3
Bath
3
Sq Ft.
1342
Price
$699,999
3428 Filoli Circle
Carlsbad, CA 92002
Bed
3
Bath
4
Sq Ft.
2028
Price
$5,900/mo
1259 Natoma Way #C
Oceanside, CA 92057
Bed
3
Bath
3
Sq Ft.
1365
Price
$4,400/mo
1145 E Barham Dr #160
San Marcos, CA 92078
Bed
2
Bath
2
Sq Ft.
1674
Price
$319,000
1365 Reagan Way
Brentwood, CA 94513
Bed
3
Bath
2
Sq Ft.
1483
Price
$547,500
13788 Ruette Le Parc #D
Del Mar, CA 92014
Bed
1
Bath
1
Sq Ft.
800
Price
$660,000
1791 Sunset Rd
Brentwood, CA 94513
Bed
4
Bath
2
Sq Ft.
1702
Price
$1,099,000
43461 Huron
Lancaster, CA 93535
Bed
4
Bath
2
Sq Ft.
1935
Price
$478,500
12745 Navajo Road
Apple Valley, CA 92308
Bed
3
Bath
2
Sq Ft.
9440
Price
$1,895,000
3371 E Andy
Long Beach, CA 90805
Bed
9
Bath
8
Sq Ft.
5175
Price
$1,395,000
1454 Newhall Pkwy
Concord, CA 94521
Bed
3
Bath
2
Sq Ft.
1574
Price
$625,000
812 N Ridgewood
Los Angeles, CA 90038
Bed
3
Bath
4
Sq Ft.
2560
Price
$1,600,000
27840 Kimberly Dr
Yorba Linda, CA 92887
Bed
3
Bath
3
Sq Ft.
1958
Price
$1,000,000
1 bed, 1 bath detached guest space
2907 S Santa Fe Ave #3
San Marcos, CA 92078
Bed
4
Bath
2
Sq Ft.
1580
Price
$424,500
200 N El Camino Real #Spc 357
Oceanside, CA 92058
Bed
2
Bath
2
Sq Ft.
1344
Price
$345,000
12766 Bolsa Dr
Eastvale, CA 92880
Bed
3
Bath
3
Sq Ft.
1772
Price
$3,300/mo
68975 Corral Road
Cathedral City, CA 92234
Bed
4
Bath
2
Sq Ft.
1827
Price
$535,000
9086 Hunter Pass
Alpine, CA 91901
Bed
5
Bath
3
Sq Ft.
3021
Price
$1,469,000
5172 Caywood St
San Diego, CA 92117
Bed
3
Bath
2
Sq Ft.
1210
Price
$989,000
8766 Kelso
Spring Valley, CA 91977
Bed
3
Bath
2
Sq Ft.
1246
Price
$719,990
141 Via Montisi
Santee, CA 92071
Bed
3
Bath
3
Sq Ft.
1342
Price
$699,999
3428 Filoli Circle
Carlsbad, CA 92002
Bed
3
Bath
4
Sq Ft.
2028
Price
$5,900/mo
1259 Natoma Way #C
Oceanside, CA 92057
Bed
3
Bath
3
Sq Ft.
1365
Price
$4,400/mo
1145 E Barham Dr #160
San Marcos, CA 92078
Bed
2
Bath
2
Sq Ft.
1674
Price
$319,000
1365 Reagan Way
Brentwood, CA 94513
Bed
3
Bath
2
Sq Ft.
1483
Price
$547,500
13788 Ruette Le Parc #D
Del Mar, CA 92014
Bed
1
Bath
1
Sq Ft.
800
Price
$660,000
1791 Sunset Rd
Brentwood, CA 94513
Bed
4
Bath
2
Sq Ft.
1702
Price
$1,099,000
43461 Huron
Lancaster, CA 93535
Bed
4
Bath
2
Sq Ft.
1935
Price
$478,500
12745 Navajo Road
Apple Valley, CA 92308
Bed
3
Bath
2
Sq Ft.
9440
Price
$1,895,000
3371 E Andy
Long Beach, CA 90805
Bed
9
Bath
8
Sq Ft.
5175
Price
$1,395,000
1454 Newhall Pkwy
Concord, CA 94521
Bed
3
Bath
2
Sq Ft.
1574
Price
$625,000
812 N Ridgewood
Los Angeles, CA 90038
Bed
3
Bath
4
Sq Ft.
2560
Price
$1,600,000
27840 Kimberly Dr
Yorba Linda, CA 92887
Bed
3
Bath
3
Sq Ft.
1958
Price
$1,000,000
1 bed, 1 bath bonus space
2907 S Santa Fe Ave #3
San Marcos, CA 92078
Bed
4
Bath
2
Sq Ft.
1580
Price
$424,500
200 N El Camino Real #Spc 357
Oceanside, CA 92058
Bed
2
Bath
2
Sq Ft.
1344
Price
$345,000
12766 Bolsa Dr
Eastvale, CA 92880
Bed
3
Bath
3
Sq Ft.
1772
Price
$3,300/mo
68975 Corral Road
Cathedral City, CA 92234
Bed
4
Bath
2
Sq Ft.
1827
Price
$535,000
9086 Hunter Pass
Alpine, CA 91901
Bed
5
Bath
3
Sq Ft.
3021
Price
$1,469,000
5172 Caywood St
San Diego, CA 92117
Bed
3
Bath
2
Sq Ft.
1210
Price
$989,000
8766 Kelso
Spring Valley, CA 91977
Bed
3
Bath
2
Sq Ft.
1246
Price
$719,990
141 Via Montisi
Santee, CA 92071
Bed
3
Bath
3
Sq Ft.
1342
Price
$699,999
3428 Filoli Circle
Carlsbad, CA 92002
Bed
3
Bath
4
Sq Ft.
2028
Price
$5,900/mo
1259 Natoma Way #C
Oceanside, CA 92057
Bed
3
Bath
3
Sq Ft.
1365
Price
$4,400/mo
1145 E Barham Dr #160
San Marcos, CA 92078
Bed
2
Bath
2
Sq Ft.
1674
Price
$319,000
1365 Reagan Way
Brentwood, CA 94513
Bed
3
Bath
2
Sq Ft.
1483
Price
$547,500
13788 Ruette Le Parc #D
Del Mar, CA 92014
Bed
1
Bath
1
Sq Ft.
800
Price
$660,000
1791 Sunset Rd
Brentwood, CA 94513
Bed
4
Bath
2
Sq Ft.
1702
Price
$1,099,000
43461 Huron
Lancaster, CA 93535
Bed
4
Bath
2
Sq Ft.
1935
Price
$478,500
12745 Navajo Road
Apple Valley, CA 92308
Bed
3
Bath
2
Sq Ft.
9440
Price
$1,895,000
3371 E Andy
Long Beach, CA 90805
Bed
9
Bath
8
Sq Ft.
5175
Price
$1,395,000
1454 Newhall Pkwy
Concord, CA 94521
Bed
3
Bath
2
Sq Ft.
1574
Price
$625,000
812 N Ridgewood
Los Angeles, CA 90038
Bed
3
Bath
4
Sq Ft.
2560
Price
$1,600,000
27840 Kimberly Dr
Yorba Linda, CA 92887
Bed
3
Bath
3
Sq Ft.
1958
Price
$1,000,000
Duplex with 1 unit delivered vacant
2907 S Santa Fe Ave #3
San Marcos, CA 92078
Bed
4
Bath
2
Sq Ft.
1580
Price
$424,500
200 N El Camino Real #Spc 357
Oceanside, CA 92058
Bed
2
Bath
2
Sq Ft.
1344
Price
$345,000
12766 Bolsa Dr
Eastvale, CA 92880
Bed
3
Bath
3
Sq Ft.
1772
Price
$3,300/mo
68975 Corral Road
Cathedral City, CA 92234
Bed
4
Bath
2
Sq Ft.
1827
Price
$535,000
9086 Hunter Pass
Alpine, CA 91901
Bed
5
Bath
3
Sq Ft.
3021
Price
$1,469,000
5172 Caywood St
San Diego, CA 92117
Bed
3
Bath
2
Sq Ft.
1210
Price
$989,000
8766 Kelso
Spring Valley, CA 91977
Bed
3
Bath
2
Sq Ft.
1246
Price
$719,990
141 Via Montisi
Santee, CA 92071
Bed
3
Bath
3
Sq Ft.
1342
Price
$699,999
3428 Filoli Circle
Carlsbad, CA 92002
Bed
3
Bath
4
Sq Ft.
2028
Price
$5,900/mo
1259 Natoma Way #C
Oceanside, CA 92057
Bed
3
Bath
3
Sq Ft.
1365
Price
$4,400/mo
1145 E Barham Dr #160
San Marcos, CA 92078
Bed
2
Bath
2
Sq Ft.
1674
Price
$319,000
1365 Reagan Way
Brentwood, CA 94513
Bed
3
Bath
2
Sq Ft.
1483
Price
$547,500
13788 Ruette Le Parc #D
Del Mar, CA 92014
Bed
1
Bath
1
Sq Ft.
800
Price
$660,000
1791 Sunset Rd
Brentwood, CA 94513
Bed
4
Bath
2
Sq Ft.
1702
Price
$1,099,000
43461 Huron
Lancaster, CA 93535
Bed
4
Bath
2
Sq Ft.
1935
Price
$478,500
12745 Navajo Road
Apple Valley, CA 92308
Bed
3
Bath
2
Sq Ft.
9440
Price
$1,895,000
3371 E Andy
Long Beach, CA 90805
Bed
9
Bath
8
Sq Ft.
5175
Price
$1,395,000
1454 Newhall Pkwy
Concord, CA 94521
Bed
3
Bath
2
Sq Ft.
1574
Price
$625,000
812 N Ridgewood
Los Angeles, CA 90038
Bed
3
Bath
4
Sq Ft.
2560
Price
$1,600,000
27840 Kimberly Dr
Yorba Linda, CA 92887
Bed
3
Bath
3
Sq Ft.
1958
Price
$1,000,000
Legal duplex
2907 S Santa Fe Ave #3
San Marcos, CA 92078
Bed
4
Bath
2
Sq Ft.
1580
Price
$424,500
200 N El Camino Real #Spc 357
Oceanside, CA 92058
Bed
2
Bath
2
Sq Ft.
1344
Price
$345,000
12766 Bolsa Dr
Eastvale, CA 92880
Bed
3
Bath
3
Sq Ft.
1772
Price
$3,300/mo
68975 Corral Road
Cathedral City, CA 92234
Bed
4
Bath
2
Sq Ft.
1827
Price
$535,000
9086 Hunter Pass
Alpine, CA 91901
Bed
5
Bath
3
Sq Ft.
3021
Price
$1,469,000
5172 Caywood St
San Diego, CA 92117
Bed
3
Bath
2
Sq Ft.
1210
Price
$989,000
8766 Kelso
Spring Valley, CA 91977
Bed
3
Bath
2
Sq Ft.
1246
Price
$719,990
141 Via Montisi
Santee, CA 92071
Bed
3
Bath
3
Sq Ft.
1342
Price
$699,999
3428 Filoli Circle
Carlsbad, CA 92002
Bed
3
Bath
4
Sq Ft.
2028
Price
$5,900/mo
1259 Natoma Way #C
Oceanside, CA 92057
Bed
3
Bath
3
Sq Ft.
1365
Price
$4,400/mo
1145 E Barham Dr #160
San Marcos, CA 92078
Bed
2
Bath
2
Sq Ft.
1674
Price
$319,000
1365 Reagan Way
Brentwood, CA 94513
Bed
3
Bath
2
Sq Ft.
1483
Price
$547,500
13788 Ruette Le Parc #D
Del Mar, CA 92014
Bed
1
Bath
1
Sq Ft.
800
Price
$660,000
1791 Sunset Rd
Brentwood, CA 94513
Bed
4
Bath
2
Sq Ft.
1702
Price
$1,099,000
43461 Huron
Lancaster, CA 93535
Bed
4
Bath
2
Sq Ft.
1935
Price
$478,500
12745 Navajo Road
Apple Valley, CA 92308
Bed
3
Bath
2
Sq Ft.
9440
Price
$1,895,000
3371 E Andy
Long Beach, CA 90805
Bed
9
Bath
8
Sq Ft.
5175
Price
$1,395,000
1454 Newhall Pkwy
Concord, CA 94521
Bed
3
Bath
2
Sq Ft.
1574
Price
$625,000
812 N Ridgewood
Los Angeles, CA 90038
Bed
3
Bath
4
Sq Ft.
2560
Price
$1,600,000
27840 Kimberly Dr
Yorba Linda, CA 92887
Bed
3
Bath
3
Sq Ft.
1958
Price
$1,000,000
detached bonus space/converted garage
2907 S Santa Fe Ave #3
San Marcos, CA 92078
Bed
4
Bath
2
Sq Ft.
1580
Price
$424,500
200 N El Camino Real #Spc 357
Oceanside, CA 92058
Bed
2
Bath
2
Sq Ft.
1344
Price
$345,000
12766 Bolsa Dr
Eastvale, CA 92880
Bed
3
Bath
3
Sq Ft.
1772
Price
$3,300/mo
68975 Corral Road
Cathedral City, CA 92234
Bed
4
Bath
2
Sq Ft.
1827
Price
$535,000
9086 Hunter Pass
Alpine, CA 91901
Bed
5
Bath
3
Sq Ft.
3021
Price
$1,469,000
5172 Caywood St
San Diego, CA 92117
Bed
3
Bath
2
Sq Ft.
1210
Price
$989,000
8766 Kelso
Spring Valley, CA 91977
Bed
3
Bath
2
Sq Ft.
1246
Price
$719,990
141 Via Montisi
Santee, CA 92071
Bed
3
Bath
3
Sq Ft.
1342
Price
$699,999
3428 Filoli Circle
Carlsbad, CA 92002
Bed
3
Bath
4
Sq Ft.
2028
Price
$5,900/mo
1259 Natoma Way #C
Oceanside, CA 92057
Bed
3
Bath
3
Sq Ft.
1365
Price
$4,400/mo
1145 E Barham Dr #160
San Marcos, CA 92078
Bed
2
Bath
2
Sq Ft.
1674
Price
$319,000
1365 Reagan Way
Brentwood, CA 94513
Bed
3
Bath
2
Sq Ft.
1483
Price
$547,500
13788 Ruette Le Parc #D
Del Mar, CA 92014
Bed
1
Bath
1
Sq Ft.
800
Price
$660,000
1791 Sunset Rd
Brentwood, CA 94513
Bed
4
Bath
2
Sq Ft.
1702
Price
$1,099,000
43461 Huron
Lancaster, CA 93535
Bed
4
Bath
2
Sq Ft.
1935
Price
$478,500
12745 Navajo Road
Apple Valley, CA 92308
Bed
3
Bath
2
Sq Ft.
9440
Price
$1,895,000
3371 E Andy
Long Beach, CA 90805
Bed
9
Bath
8
Sq Ft.
5175
Price
$1,395,000
1454 Newhall Pkwy
Concord, CA 94521
Bed
3
Bath
2
Sq Ft.
1574
Price
$625,000
812 N Ridgewood
Los Angeles, CA 90038
Bed
3
Bath
4
Sq Ft.
2560
Price
$1,600,000
27840 Kimberly Dr
Yorba Linda, CA 92887
Bed
3
Bath
3
Sq Ft.
1958
Price
$1,000,000
2-unit property with a vacant unit
2907 S Santa Fe Ave #3
San Marcos, CA 92078
Bed
4
Bath
2
Sq Ft.
1580
Price
$424,500
200 N El Camino Real #Spc 357
Oceanside, CA 92058
Bed
2
Bath
2
Sq Ft.
1344
Price
$345,000
12766 Bolsa Dr
Eastvale, CA 92880
Bed
3
Bath
3
Sq Ft.
1772
Price
$3,300/mo
68975 Corral Road
Cathedral City, CA 92234
Bed
4
Bath
2
Sq Ft.
1827
Price
$535,000
9086 Hunter Pass
Alpine, CA 91901
Bed
5
Bath
3
Sq Ft.
3021
Price
$1,469,000
5172 Caywood St
San Diego, CA 92117
Bed
3
Bath
2
Sq Ft.
1210
Price
$989,000
8766 Kelso
Spring Valley, CA 91977
Bed
3
Bath
2
Sq Ft.
1246
Price
$719,990
141 Via Montisi
Santee, CA 92071
Bed
3
Bath
3
Sq Ft.
1342
Price
$699,999
3428 Filoli Circle
Carlsbad, CA 92002
Bed
3
Bath
4
Sq Ft.
2028
Price
$5,900/mo
1259 Natoma Way #C
Oceanside, CA 92057
Bed
3
Bath
3
Sq Ft.
1365
Price
$4,400/mo
1145 E Barham Dr #160
San Marcos, CA 92078
Bed
2
Bath
2
Sq Ft.
1674
Price
$319,000
1365 Reagan Way
Brentwood, CA 94513
Bed
3
Bath
2
Sq Ft.
1483
Price
$547,500
13788 Ruette Le Parc #D
Del Mar, CA 92014
Bed
1
Bath
1
Sq Ft.
800
Price
$660,000
1791 Sunset Rd
Brentwood, CA 94513
Bed
4
Bath
2
Sq Ft.
1702
Price
$1,099,000
43461 Huron
Lancaster, CA 93535
Bed
4
Bath
2
Sq Ft.
1935
Price
$478,500
12745 Navajo Road
Apple Valley, CA 92308
Bed
3
Bath
2
Sq Ft.
9440
Price
$1,895,000
3371 E Andy
Long Beach, CA 90805
Bed
9
Bath
8
Sq Ft.
5175
Price
$1,395,000
1454 Newhall Pkwy
Concord, CA 94521
Bed
3
Bath
2
Sq Ft.
1574
Price
$625,000
812 N Ridgewood
Los Angeles, CA 90038
Bed
3
Bath
4
Sq Ft.
2560
Price
$1,600,000
27840 Kimberly Dr
Yorba Linda, CA 92887
Bed
3
Bath
3
Sq Ft.
1958
Price
$1,000,000
Private, separate flex space
2907 S Santa Fe Ave #3
San Marcos, CA 92078
Bed
4
Bath
2
Sq Ft.
1580
Price
$424,500
200 N El Camino Real #Spc 357
Oceanside, CA 92058
Bed
2
Bath
2
Sq Ft.
1344
Price
$345,000
12766 Bolsa Dr
Eastvale, CA 92880
Bed
3
Bath
3
Sq Ft.
1772
Price
$3,300/mo
68975 Corral Road
Cathedral City, CA 92234
Bed
4
Bath
2
Sq Ft.
1827
Price
$535,000
9086 Hunter Pass
Alpine, CA 91901
Bed
5
Bath
3
Sq Ft.
3021
Price
$1,469,000
5172 Caywood St
San Diego, CA 92117
Bed
3
Bath
2
Sq Ft.
1210
Price
$989,000
8766 Kelso
Spring Valley, CA 91977
Bed
3
Bath
2
Sq Ft.
1246
Price
$719,990
141 Via Montisi
Santee, CA 92071
Bed
3
Bath
3
Sq Ft.
1342
Price
$699,999
3428 Filoli Circle
Carlsbad, CA 92002
Bed
3
Bath
4
Sq Ft.
2028
Price
$5,900/mo
1259 Natoma Way #C
Oceanside, CA 92057
Bed
3
Bath
3
Sq Ft.
1365
Price
$4,400/mo
1145 E Barham Dr #160
San Marcos, CA 92078
Bed
2
Bath
2
Sq Ft.
1674
Price
$319,000
1365 Reagan Way
Brentwood, CA 94513
Bed
3
Bath
2
Sq Ft.
1483
Price
$547,500
13788 Ruette Le Parc #D
Del Mar, CA 92014
Bed
1
Bath
1
Sq Ft.
800
Price
$660,000
1791 Sunset Rd
Brentwood, CA 94513
Bed
4
Bath
2
Sq Ft.
1702
Price
$1,099,000
43461 Huron
Lancaster, CA 93535
Bed
4
Bath
2
Sq Ft.
1935
Price
$478,500
12745 Navajo Road
Apple Valley, CA 92308
Bed
3
Bath
2
Sq Ft.
9440
Price
$1,895,000
3371 E Andy
Long Beach, CA 90805
Bed
9
Bath
8
Sq Ft.
5175
Price
$1,395,000
1454 Newhall Pkwy
Concord, CA 94521
Bed
3
Bath
2
Sq Ft.
1574
Price
$625,000
812 N Ridgewood
Los Angeles, CA 90038
Bed
3
Bath
4
Sq Ft.
2560
Price
$1,600,000
27840 Kimberly Dr
Yorba Linda, CA 92887
Bed
3
Bath
3
Sq Ft.
1958
Price
$1,000,000
Original detached boathouse
2907 S Santa Fe Ave #3
San Marcos, CA 92078
Bed
4
Bath
2
Sq Ft.
1580
Price
$424,500
200 N El Camino Real #Spc 357
Oceanside, CA 92058
Bed
2
Bath
2
Sq Ft.
1344
Price
$345,000
12766 Bolsa Dr
Eastvale, CA 92880
Bed
3
Bath
3
Sq Ft.
1772
Price
$3,300/mo
68975 Corral Road
Cathedral City, CA 92234
Bed
4
Bath
2
Sq Ft.
1827
Price
$535,000
9086 Hunter Pass
Alpine, CA 91901
Bed
5
Bath
3
Sq Ft.
3021
Price
$1,469,000
5172 Caywood St
San Diego, CA 92117
Bed
3
Bath
2
Sq Ft.
1210
Price
$989,000
8766 Kelso
Spring Valley, CA 91977
Bed
3
Bath
2
Sq Ft.
1246
Price
$719,990
141 Via Montisi
Santee, CA 92071
Bed
3
Bath
3
Sq Ft.
1342
Price
$699,999
3428 Filoli Circle
Carlsbad, CA 92002
Bed
3
Bath
4
Sq Ft.
2028
Price
$5,900/mo
1259 Natoma Way #C
Oceanside, CA 92057
Bed
3
Bath
3
Sq Ft.
1365
Price
$4,400/mo
1145 E Barham Dr #160
San Marcos, CA 92078
Bed
2
Bath
2
Sq Ft.
1674
Price
$319,000
1365 Reagan Way
Brentwood, CA 94513
Bed
3
Bath
2
Sq Ft.
1483
Price
$547,500
13788 Ruette Le Parc #D
Del Mar, CA 92014
Bed
1
Bath
1
Sq Ft.
800
Price
$660,000
1791 Sunset Rd
Brentwood, CA 94513
Bed
4
Bath
2
Sq Ft.
1702
Price
$1,099,000
43461 Huron
Lancaster, CA 93535
Bed
4
Bath
2
Sq Ft.
1935
Price
$478,500
12745 Navajo Road
Apple Valley, CA 92308
Bed
3
Bath
2
Sq Ft.
9440
Price
$1,895,000
3371 E Andy
Long Beach, CA 90805
Bed
9
Bath
8
Sq Ft.
5175
Price
$1,395,000
1454 Newhall Pkwy
Concord, CA 94521
Bed
3
Bath
2
Sq Ft.
1574
Price
$625,000
812 N Ridgewood
Los Angeles, CA 90038
Bed
3
Bath
4
Sq Ft.
2560
Price
$1,600,000
27840 Kimberly Dr
Yorba Linda, CA 92887
Bed
3
Bath
3
Sq Ft.
1958
Price
$1,000,000















