Modera Mosaic in Fairfax City offers a range of amenities, including a fitness center, swimming pool, and outdoor space with a fire pit and water features. The staff is generally friendly and welcoming, with many residents praising the leasing team, concierge, and maintenance team for their professionalism and helpfulness.The community is clean and well-maintained, with residents noting that the building is always tidy and the apartments are modern and beautifully decorated. The location is also a major plus, with residents able to walk to local restaurants, shops, and amenities.However, some residents have reported issues with parking, with one resident noting that they were unable to park their second vehicle in the garage despite being promised a spot. Another resident had to deal with a broken elevator and poor communication from the leasing office.Some residents have also reported that the community is focused on new leases rather than renewing current tenants, with one resident mentioning that their rent increased by $300 despite no improvements or resolution of existing issues.Overall, Modera Mosaic appears to be a good option for those looking for a convenient and amenity-rich community, but residents should be aware of potential issues with parking and communication.