Ownership of land by non-citizens (including a body corporate not wholly owned by one or more citizens) can only be by way of 99-year leases. There is also restriction on ownership of agricultural land by non-citizens (both freehold and leashold tenure are prohibited). 
"CHAPTER V – LAND AND ENVIRONMENT [...]
61. Classification of land
(1) All land in Kenya belongs to the people of Kenya collectively as a nation, as communities and as individuals.
(2) Land in Kenya is classified as public, community or private.
[...]
64. Private land
Private land consists of —
(a) registered land held by any person under any freehold tenure;
(b) land held by any person under leasehold tenure; and
(c) any other land declared private land under an Act of Parliament.
65. Landholding by non-citizens
(1) A person who is not a citizen may hold land on the basis of leasehold tenure only, and any such lease, however granted, shall not exceed ninety-nine years.
(2) If a provision of any agreement, deed, conveyance or document of whatever nature purports to confer on a person who is not a citizen an interest in land greater than a ninety-nine year lease, the provision shall be regarded as conferring on the person a ninety-nine year leasehold interest, and no more.
(3) For purposes of this Article --
(a) a body corporate shall be regarded as a citizen only if the body corporate is wholly owned by one or more citizens; and
(b) property held in trust shall be regarded as being held by a citizen only if all of the beneficial interest of the trust is held by persons who are citizens.
(4) Parliament may enact legislation to make further provision for the operation of this Article.[...]" (CONSTITUTION OF KENYA, 2010)
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"12A. Controlled land
(1) In this part—
"controlled land" means land in Kenya which is—
(a)within a zone of twenty-five kilometres from the inland national boundary of Kenya;
(b)within the first and second row from high water mark of the Indian Ocean;
(c)any other land as may be declared controlled land under any law or statute.
"ineligible person" means—
(i)	an individual who is not a Kenyan citizen;
(ii)	the government of a country other than Kenya or a political subdivision of a country other than Kenya, or any agency of such govemment or political subdivision; or
(iii)	a body corporate which has non-citizens as shareholders shall be deemed to be a non-citizen.
"interest" has the meaning assigned to it in the Act and interest in land shall include transfer, lease, licence, charge, exchange, partition or other disposal of or dealing with any controlled land.
"corporation" means a body incorporated with or without a share capital under any written law in Kenya and the expression includes a limited liability partnership;
(2)No transaction in controlled land, including a transfer for a consideration or by way of trusts, gift inter vivos or otherwise to an ineligible person, shall be dealt with without the prior written approval of the Cabinet Secretary.
(3)In deciding whether to approve or not approve an application, the Cabinet Secretary shall seek the approval of the relevant authorities [...]" (Land Act No. 6 of 2012, as amended)
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2. Interpretation
In this Act, unless the context otherwise requires—
"agricultural land" means—
(a) land that is not within—
(i) a municipality or a township; or
(ii) an area which was, on or at any time after the 1st July 1952, a township under the Townships Act (Cap. 133), 1948 (repealed); or
(iii) an area which was, on or at any time after the 1st July 1952, a trading centre under the Trading Centres Act (Cap. 278, 1948 repealed); or
(iv) a market;
(b) land in the Nairobi Area or in any municipality, township or urban centre that is declared by the Cabinet Secretary, by notice in the Gazette, to be agricultural land for the purposes of this Act, other than land which, by reason of any condition or covenant in the title thereto or any limitation imposed by law, is subject to the restriction that it may not be used for agriculture or to the requirement that it shall be used for a non- agricultural purpose;
[...]
PART IV – CONTROL OF DEALINGS IN AGRICULTURAL LAND
6. Transactions affecting agricultural land
(1) Each of the following transactions, that is to say—
(a) the sale, transfer, lease, mortgage, exchange, partition or other disposal of or dealing with any agricultural land which is situated within a land control area;
(b) the division of any such agricultural land into two or more parcels to be held under separate titles, other than the division of an area of less than twenty acres into plots in an area to which the Development and Use of Land (Planning) Regulations, 1961 (L.N. 516/1961) for the time being apply;
(c) the issue, sale, transfer, mortgage or any other disposal of or dealing with any share in a private company or co-operative society which for the time being owns agricultural land situated within a land control area,
is void for all purposes unless the land control board for the land control area or division in which the land is situated has given its consent in respect of that transaction in accordance with this Act.
[...]
9. Granting or refusal of consent
(1) In deciding whether to grant or refuse consent in respect of a controlled transaction, a land control board shall— [...]
(c) refuse consent in any case in which the land or share is to be disposed of by way of sale, transfer, lease, exchange or partition to a person who is not—
(i)	a citizen of Kenya; or
(ii)	a private company or co-operative society all of whose members are citizens of Kenya; or
(iii)	group representatives incorporated under the Land (Group Representatives) Act (Cap. 287); or
(iv)	a state corporation within the meaning of the State Corporations Act (Cap. 446).[...]" (Land Control Act No. 34 of 1967, as amended)
Constitution of Kenya, 2010
Land Act No. 6 of 2012, as amended
Land Control Act No. 34 of 1967, as amended
[<a href="http://www.kenyalaw.org:8181/exist/kenyalex/actview.xql?actid=Const2010">Constitution</a>],[<a href="http://www.kenyalaw.org:8181/exist/kenyalex/actview.xql?actid=CAP.%20280">Law</a>],[<a href="http://www.kenyalaw.org:8181/exist/kenyalex/actview.xql?actid=CAP.%20302">Law</a>]