Mariah is currently not taking Redfin clients
Partner Agent
Mariah Cosio
Agent License #:
02032322
Brokerage:
WERE Real Estate
Homes Closed:48
Neighborhoods: Ontario · Moreno Valley · Chino · Corona · Rialto · Victorville · Fontana
Partner Agent
About Mariah
My goal is to ensure that my clients are comfortable, confident, & knowledgable about the buying or selling process. Communication is key to my clients and me! I believe in having a close & friendly relationship with my clients so they do not hesitate to call or text me with any questions before, during, or after I help them buy or sell.
Creating a seamless, memorable, & exciting experience for clients is my #1 priority. I acknowledge that every one of my clients is unique and enjoys catering to each client's specific needs.
I thrive in unpredictable circumstances and negotiating for my clients! My knowledge & reputation in the real estate industry helps my clients get their offers accepted! Working in their best interest and exceeding their exceptions is what I enjoy most. Giving them their keys, a photoshoot & a surprise at the end is my favorite!
Mariah's Listings & Sales
Bought with Mariah (42)
Listed by Mariah (9)
1 of 26
SOLD MAY 14, 2024
$960,000
15043 Hayward St
Whittier, CA 906034
Beds
2
Baths
2,011
Sq. Ft.
1 of 30
OFF MARKET
$780,000
2834 N White Ave
La Verne, CA 917503
Beds
2
Baths
1,456
Sq. Ft.
1 of 45
OFF MARKET
$748,000
1561 N Himalayas Dr
Upland, CA 917863
Beds
2.5
Baths
2,567
Sq. Ft.
1 of 18
OFF MARKET
$715,000
24835 Woodward Ave
Lomita, CA 907172
Beds
2
Baths
2,008
Sq. Ft.
1 of 31
OFF MARKET
$655,000
7129 Bella Strada Dr
Fontana, CA 923363
Beds
2.5
Baths
1,741
Sq. Ft.
1 of 35
OFF MARKET
3D WALKTHROUGH
$800,000
16902 La Salle Ave
Gardena, CA 902473
Beds
2
Baths
1,220
Sq. Ft.
1 of 43
OFF MARKET
$555,000
2167 Beatrice Dr
Corona, CA 928794
Beds
2
Baths
1,835
Sq. Ft.
1 of 39
OFF MARKET
$605,000
1153 McFarland Ave
Wilmington, CA 907444
Beds
2.5
Baths
2,078
Sq. Ft.
1 of 43
OFF MARKET
VIDEO TOUR
$520,000
8478 Bayberry Rd
Rancho Cucamonga, CA 917302
Beds
2.5
Baths
1,428
Sq. Ft.
1 of 47
OFF MARKET
$515,000
21690 Prospect St
Perris, CA 925703
Beds
2.5
Baths
1,900
Sq. Ft.
OFF MARKET
$515,000
16262 Pablo Creek Ln
Fontana, CA 923363
Beds
2.5
Baths
2,091
Sq. Ft.
1 of 32
OFF MARKET
$686,000
1434 Scott Ave
Pomona, CA 917674
Beds
2
Baths
1,958
Sq. Ft.
1 of 27
SOLD MAY 6, 2024
$630,000
454 Golden Springs Rd Unit A
Diamond Bar, CA 917653
Beds
3
Baths
1,438
Sq. Ft.
1 of 37
OFF MARKET
$465,000
3272 N Lugo Ave
San Bernardino, CA 924043
Beds
2
Baths
1,349
Sq. Ft.
1 of 36
OFF MARKET
3D WALKTHROUGH
$455,000
1833 N Kenwood Ave
San Bernardino, CA 924043
Beds
3
Baths
1,757
Sq. Ft.
1 of 23
OFF MARKET
$452,000
12686 Cypress Ave
Chino, CA 917104
Beds
2
Baths
1,316
Sq. Ft.
1 of 33
OFF MARKET
$440,000
3680 N G St
San Bernardino, CA 924053
Beds
1
Bath
1,189
Sq. Ft.
1 of 2
OFF MARKET
$435,000
1718 E 63rd St
Long Beach, CA 908053
Beds
1
Bath
1,008
Sq. Ft.
1 of 28
OFF MARKET
$430,000
1281 Scoville Ave
Pomona, CA 917673
Beds
2
Baths
1,745
Sq. Ft.
1 of 26
OFF MARKET
$420,000
1591 N Caswell Ave
Pomona, CA 917673
Beds
1
Bath
1,069
Sq. Ft.
1 of 35
OFF MARKET
$415,000
1456 N Lilac Ave
Rialto, CA 923763
Beds
2
Baths
1,196
Sq. Ft.
1 of 28
SOLD APR 26, 2024
$400,000
4433 Quail Canyon Rd
San Bernardino, CA 92404—
Beds
—
Baths
—
Sq. Ft.
1 of 25
OFF MARKET
$396,000
14911 Artisan
Moreno Valley, CA 925554
Beds
2.5
Baths
2,685
Sq. Ft.
OFF MARKET
3D WALKTHROUGH
$380,000
701 Chatham Way
San Jacinto, CA 925833
Beds
2.5
Baths
1,812
Sq. Ft.
1 of 43
SOLD OCT 15, 2024
$379,000
12244 6th Ave
Victorville, CA 923953
Beds
2
Baths
1,445
Sq. Ft.
1 of 29
SOLD APR 12, 2024
$515,000
16040 Leffingwell Rd #116
Whittier, CA 906032
Beds
2
Baths
960
Sq. Ft.
1 of 18
OFF MARKET
$360,000
16498 Bodart St
Hesperia, CA 923452
Beds
2
Baths
1,200
Sq. Ft.
1 of 20
OFF MARKET
$347,000
14542 Agave St
Moreno Valley, CA 925533
Beds
2
Baths
1,403
Sq. Ft.
1 of 43
OFF MARKET
$345,000
8083 Bangor Ave
Hesperia, CA 923453
Beds
2
Baths
1,196
Sq. Ft.
1 of 23
OFF MARKET
$319,000
1302 N Elderberry Ave
Ontario, CA 917623
Beds
2.5
Baths
1,246
Sq. Ft.
1 of 24
OFF MARKET
$315,000
21730 Ramona Ave
Apple Valley, CA 923073
Beds
2
Baths
1,852
Sq. Ft.
1 of 17
OFF MARKET
$313,000
1031 S Palmetto Ave Unit U8
Ontario, CA 917622
Beds
2
Baths
960
Sq. Ft.
1 of 4
OFF MARKET
$290,000
24716 Dracaea Ave
Moreno Valley, CA 925532
Beds
1
Bath
806
Sq. Ft.
1 of 25
OFF MARKET
$281,000
15826 La Verida Dr
Victorville, CA 923953
Beds
1.5
Baths
1,120
Sq. Ft.
1 of 14
OFF MARKET
$280,000
9053 Guadalupe Ave
Hesperia, CA 923445
Beds
3
Baths
2,950
Sq. Ft.
OFF MARKET
$270,000
14160 Gaucho Ct
Victorville, CA 923943
Beds
2.5
Baths
1,984
Sq. Ft.
1 of 35
OFF MARKET
$225,000
16739 Hidden Creek Dr
Victorville, CA 923953
Beds
2
Baths
1,519
Sq. Ft.
Coldwell Banker Home Source
1 of 31
OFF MARKET
$220,000
22905 Redwood Way
Crestline, CA 923251
Bed
1
Bath
672
Sq. Ft.
1 of 39
SOLD MAR 19, 2024
$125,000
830 Azusa S #22
Azusa, CA 917023
Beds
1.5
Baths
960
Sq. Ft.
1 of 16
OFF MARKET
$30,000
0 Shirwaun Rd
Apple Valley, CA 92307—
Beds
—
Baths
—
Sq. Ft.
Mariah's Reviews
Most Recent Reviews
5.0
She’s amazing! She gets it done!
House buyer closed Oct '20
1456 N Lilac Ave, Rialto, CA
1456 N Lilac Ave, Rialto, CA
$415K • 3 Bed, 2 Bath, 1196 Sq. Ft. • First-time buyer
5.0
Mariah went above and beyond for us , we would call her at all hours and she was always available for us , always cleared up questions we had and made sure we got the house we wanted . I have since referred all my friends and family who were ready to purchase .
House buyer closed Apr '19
1591 N Caswell Ave, Pomona, CA
1591 N Caswell Ave, Pomona, CA
$420K • 3 Bed, 1 Bath, 1069 Sq. Ft. • First-time buyer
5.0
Mariah was very helpful and easy to work with. She helped my family and I find out first home. The house was/is just as what we were looking for. We are very happy with mariah work!! Will be definitely recommending mariah to family and friends!!
House buyer closed May '20
14160 Gaucho Ct, Victorville, CA
14160 Gaucho Ct, Victorville, CA
$270K • 3 Bed, 2.5 Bath, 1984 Sq. Ft. • First-time buyer
5.0
Very hard working always responds very fast and makes sure she does all she can to get you the best deal!
House buyer closed Mar '19
1153 Mcfarland Ave, Wilmington, CA
1153 Mcfarland Ave, Wilmington, CA
$540K • 4 Bed, 3 Bath, 2078 Sq. Ft. • First-time buyer
5.0
She was always very sweet and a very hard worker. Always quick to respond. Loved working with her.
See All Reviews
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