and other property management services, as well as services related to mortgage servicing, group purchasing, healthcare, consulting/brokerage, capital markets/credit origination, loan servicing, property, title and other types of insurance, management consulting and other similar operational matters.
During the year ended December 31, 2020, the Company engaged NexCore Companies LLC (“NexCore”), an affiliate of TIAA, to provide property management, accounting and leasing services for certain of its investments in healthcare properties. NexCore is a real estate development company focused exclusively on development, acquisition, and management of healthcare real estate. The Company paid approximately $0.1 million and $0.2 million in management fees to NexCore during the three and six months ended June 30, 2022, respectively. The Company paid approximately $0.1 million in management fees to NexCore during each of the three and six months ended June 30, 2021, respectively.
Additionally, as part of this engagement, the Company may pay acquisition fees to NexCore for sourcing deals. The Company did not incur any acquisition fees to NexCore during the three and six months ended June 30, 2022. For the three and six months ended June 30, 2021, the Company paid approximately $48,000 and $0.1 million in acquisition fees to NexCore, respectively. The Company may also enter into joint ventures with NexCore, and pursuant to the terms of the joint venture agreements, NexCore may receive a promote from the joint venture. The Company has entered in seven joint venture arrangements with NexCore as of June 30, 2022, which have not incurred any promote payments.
On July 27, 2021, the Company entered in an agreement with Imajn Homes Holdings (“Sparrow”), an affiliate of TIAA, to assist the Company in acquiring and managing single-family housing in the United States. Sparrow is a vertically integrated company with acquisition, asset, property and construction management capabilities. As part of the joint venture arrangement with Sparrow, if certain internal rate of return hurdles are met, Sparrow will participate in the profits based on a set criteria at the crystallization event. Additionally, Sparrow has the ability to exercise the crystallization event between the fifth and sixth anniversaries from the effective date of the agreement. Subsequent to entering in the agreement, the Company committed $150.0 million to acquire single family rentals identified by Sparrow. The Company incurred approximately $0.1 million and $0.2 million in asset management fees related to Sparrow during the three and six months ended June 30, 2022, respectively. In addition, the Company incurred approximately $0.1 million and $0.2 million of property management fees during the three and six months ended June 30, 2022. No fees were incurred by the Company for the three and six months ended June 30, 2021.
On August 23, 2021, the Company entered into a master services agreement with Nuveen Real Estate Project Management Services, LLC (“Nuveen RE PMS”), an affiliate of the Advisor, for the purpose of Nuveen RE PMS providing professional services described below in connection with certain of our real estate investments.
For project management services provided by Nuveen RE PMS, the Company will pay Nuveen RE PMS fees determined by the estimated total cost of the any project; provided that such fees shall not exceed 6% of project costs. For development and management services provided by Nuveen RE PMS, the Company will pay Nuveen RE PMS fees to be determined by the complexity and size of the project; provided that such fees shall not exceed 4% of project costs. No fees have been incurred by the Company to Nuveen RE PMS as of June 30, 2022.
Nuveen Securities, LLC (the “Dealer Manager”) serves as the dealer manager for the Initial Public Offering and Follow-on Public Offering (together, the “Offerings”). The Dealer Manager is a registered broker-dealer affiliated with the Advisor. The Company’s obligations under the Dealer Manager Agreement to pay stockholder servicing fees with respect to the Class T, Class S and Class D shares distributed in the Offerings shall survive until such shares are no longer outstanding or converted into Class I shares. As of June 30, 2022, the Company accrued approximately $41.5 million of stockholder servicing fees with respect to the outstanding Class T, Class S and Class D common shares.
33