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    William Rock Property Management

    5.0 (1 review)
    Closed 9:00 am - 5:00 pm

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    Property management

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    Marianne Allison - Bay Area Real Estate - Trust your realtor

    Marianne Allison - Bay Area Real Estate

    (45 reviews)

    I've looked at all these reviews and there was one where someone said she is a "pit bull with…read morelipstick" and, honestly, that sums her up. Marianne is so knowledgeable, hardworking, and will fight to the end of the earth for her clients. She also deeply cares for the people she represents. I know she's working in my best interest always. She handled the sale of my mom's home that was within a trust, out of the area, and filled with two generations of stuff. I was an emotional wreck and she came in and guided me through it all. We got over asking, all cash deal within 10 days of going to market. Above and beyond work every day -- from clean up, to prep, to staging, to marketing, to negotiating. I'm just so fortunate to have had Marianne represent me. I can't emphasize enough how hard the whole selling decision was for me. She was patient, we explored various options together. When we ultimately decided the right decision was to sell, she sprang into action and got it done quickly so I could move on from a heartbreaking situation. Her style is uniquely hers. There's no bullshit. Marianne is going to tell it to you straight, but I personally wouldn't want it any other way. I can't say enough great things about Marianne!!! Hire her; you won't regret it.

    My husband and I are first time landlords and despite not having a background in real estate, we…read moretried to manage our property ourselves. Everything was fine until the tenant stopped paying, and anyone who has dealt with these issues knows how stressful it can be. Lost and extremely frustrated, I called Marianne after doing some research on Yelp. Marianne was completely calm, confident, and professional. She quickly gathered basic information about us, the property, and the tenant. She informed us that she will be taking over and assured us that we will regain possession of the property. By that evening she had already sent over all the necessary DocuSign's and within the next couple days she was negotiating with the tenant on our behalf. Removing tenants for non-payment is devastating for both parties, so Marianne was firm, but also kind and compassionate. She was able to repossess the home within 15 days, without having to go through the process of an eviction, which was our goal from the beginning. Communication was always very quick, clear, and concise. My husband and I had so many questions since it was our first time going through something like this. She has a very extensive knowledge of real estate, the laws involved, and in general how tenants tend to behave, but she was also very patient and thorough when advising us. As someone that runs her own business and manages 100+ properties, Marianne is obviously a very busy person. I expected her staff to communicate with us after the tenant vacated the property. However, Marianne was our point of contact the entire time, which was very impressive. Marianne did not collect a penny from us during the entire tenant removal process, which really speaks to her confidence in her abilities as a property manager and her generosity as well. She is also well connected in the real estate space as all the references she provided to prepare the property for the next tenant were excellent. Our home was on the market for less than 2 weeks when she presented 2 solid potential tenants. Given how smoothly everything went up until this point, we were completely confident in letting her decide which tenant would suit us best. When we finally got to meet her in person, she told us that she takes care of all her properties like they are her own and after witnessing her work, it's clear that the service she provides is a direct reflection of her genuine passion for real estate and helping people. If you are looking to rent out your property, we absolutely recommend working with a property management group, but specifically, Marianne. Thank you Marianne. We appreciate everything that you have done for us, and we look forward to working with you for a long time!

    Aventis Management

    Aventis Management

    (7 reviews)

    I own a 10-unit building on Fruitvale Ave, which is not for the faint of heart. For over a year,…read moreI've worked closely with Crystal from Aventis Management, and she has been exceptional. I've previously worked with two other property managers, but Aventis stands head and shoulders above the rest. I've read some of the negative Yelp reviews, which seem to stem from particular tenant grievances aired publicly. As an owner, I'm delighted with Aventis Management. Many property managers are content to simply collect rent and send texts to tenants. Crystal, however, rolls up her sleeves and handles the tough tasks--managing evictions, attending hearings, and staying fully involved in every detail. She is extremely knowledgeable about tenant regulations, local market dynamics, property marketing, and managing difficult tenant situations. What sets Crystal apart is her positive attitude and reassuring smile, even in challenging times. I always leave our discussions feeling more confident and in control. I highly recommend Aventis Management for your Bay Area property--reach out before Crystal gets too busy!

    Take a drive by 3024 Fruitvale AVE in Oakland, CA and you'll see how great a job Aventis does. From…read morethe weekly garbage pile up, because as the building reached full capacity a few months ago, they decided to downsize the dumpster, to the absolutely filthy stairways, does a pressure washer not exist? Rats were such an issue in the past that mail service temporarily halted. Make it make sense.

    Sean McCauley Investments

    Sean McCauley Investments

    (4 reviews)

    Poor people-facing skills. Our building manager J has been regularly rude, condescending,…read moreborderline racist and blatantly sexist (ex: "This is why men do this kind of work" after troubleshooting a blown fuse while staff was actively teaching a class). Building owner and/or manager M was also condescending and rude during troubleshooting hex and front door keys. We've had a break in which required new doors but we were not updated in a timely manner of when and how to use the doors and were not provided appropriate keys or hex items for entrances. These interactions have made staff on site uncomfortable and impacts their ability to work. Very prompt to come out though and the admin is nice!

    Last week, I met with Marc (rep for SMI) to view a small office for rent in the 1210 Central…read morebuilding. I fell in love with the office and told Marc I was interested. He gave me my application and said I would get the office. When I came back from the holiday weekend, I contacted Marc again and said I want the office and I was getting all paperwork completed and would have the lease paid in full for the year. Marc texted me "I will check in with team to see when the suite will be ready to rent and keep you posted." Two and a half days later, I contact Marc at SMI and told him I had the full year's lease and the paperwork. Marc told me that he decided to give my office space that was promised to me to another tenant, a tenant that was there for six years and wanted to expand. Marc said they didn't want to lose this tenant as a customer and gave my promised office space to them. So much for keeping me posted as promised. I was left high and dry after believing the office was mine. I will never rent an office through SMI because of this unprofessional and unethical behavior from this business and its reps.

    William Rock Property Management - propertymgmt - Updated August 2026

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