Ernest L. Clauson and his wife, who are the owners and lessors of certain real property, have appealed from a judgment which declares their rights under a lease. The appeal is also from a judgment in an action for unlawful detainer brought by them against Cyril and Kathleen Ablett, who claim as assignees of the interests of the original lessees. The principal question concerns the Abletts’ right, if any, to a renewal of the lease.
Much .of the evidence is sharply conflicting, but the following facts appear without substantial dispute:
The Clausons by a written agreement leased a building used for a restaurant to a group of persons whom the parties have designated the “Rite Spot People.” The lease was for a term of five years, ending on August 31, 1951. It was agreed that the lessees “shall have the first right and a prior option to secure a lease upon said premises before the same are offered to any other person, firm or corporation for lease or rental and that said option shall contemplate a lease for a period of five (5) years upon terms to be then agreed upon.”
Shortly after the Rite Spot lessees took possession, the building and an adjacent parking lot were modified for use as a drive-in restaurant. Thereafter the premises were used in that way. The lessees then formed a corporation and transferred to it the assets of the business. The record does not show either a transfer of the lease to the corporation or the Clausons ’ consent to make such a transfer.
In the latter part of 1948, the Abletts began negotiating with the Rite Spot lessees to purchase the business. The negotiations resulted in a sale of the business to the Abletts, and the execution by the lessees of an instrument by which *282 they “assigned” all their “right, title and interest” in the lease to the Abletts. The Abletts took possession of the premises and continued the business, as found by the trial court, with the knowledge and acquiescence of the Clausons.
Some time later, a dispute arose between the Clausons and the Abletts concerning the performance of certain grading operations on the parking area adjacent to the restaurant building. There was also another controversy relating to the Abletts’ refusal to permit Clauson to remodel the restaurant building. In January, 1951, Mr. Clauson informed the Abletts that he would not renew the lease upon its expiration, and since that time he has continually refused to do so.
The Abletts then commenced an action for “declaratory relief, trespass, injunction.” Named as defendants were the Clausons, each of the original lessees and the .corporation formed by them, and several other persons. The principal relief sought was a declaration that they have a valid option to renew their lease “at the same terms” and for an additional five years, and that the Clausons “by their acts and conduct are estopped from denying the existence of such option.” As an alternative the Abletts asked for judgment that the defendants are liable to them for fraud and misrepresentation. The Clausons then sued the Abletts for unlawful • detainer. The actions were consolidated for trial and appeal.
In the action commenced by the Abletts, judgment was rendered in favor of all of the defendants, except the Clausons, and against the Abletts. Their rights against the Clausons were declared to be as follows: The Abletts are assignees of all of the rights of the original lessees in the lease with the consent of the Clausons. As assignees of the lease, the Abletts “are entitled to a renewal thereof for an additional five-year term . . . pursuant to the terms and provisions of Clause 17 of the lease. ’ ’
The judgment in the unlawful detainer action was in favor of the Abletts. The court held that they are entitled to a renewal of the lease for an additional five-year term, “pursuant to the terms of the lease.”
The Clausons challenge the portions of the declaratory judgment relating to the purported assignment of the lease, the right of the Abletts to obtain a renewal of it, and the extent and nature of the lessees’ rights in the leasehold under a renewal. They also contend that the provision concerning an option does not prevent the lessors from taking possession of the premises upon the termination of the original lease.
*283 The decisive question here presented concerns the provision of the lease which the Abletts contend granted to the original lessees an option for an additional term of five years. [1] According to the Clausons, the evidence indisputably shows that the Abletts obtained only a sublease of the premises. If that is the legal effect of the transaction between the parties, the Abletts have no right to any option given by the lease. Only if they are assignees may they enforce an obligation of the lessors to a further term.
But if it be assumed that the Abletts are assignees of the lease, the provision here in controversy does not meet the requirements of an option which may be enforced. It does not purport to grant an absolute right to an additional term of five years or any other period. As the Clausons correctly state, it gives the lessees only “the first right and a prior option to secure a lease upon said premises before the same are offered to any other person, firm or corporation for lease or rental. ...” It does not specify the terms for such a lease but provides that it shall be for five years “upon terms to be then agreed upon.”
The Abletts contend that the provision, “first right and prior option,” does not in any way qualify the right of renewal. They rely upon the statement in
Butt
v.
Maier & Zobelein Brewery,
In
Falkenstein
v.
Popper,
In the present case, the option is a “first right and prior option” to lease the premises
“before the same are offered to any other person, firm or corporation for lease or rental.”
The clear meaning of the provision is to give the lessee a first refusal or right to lease, conditioned upon the lessor’s leasing of the property again. This construction is in accordance with the Palkenstein case, and the clear weight of authority. (See anno.
The Clausons further contend that the option provision does not give even a conditional right to a renewal, but is too uncertain to be enforced. Their position is that the judgment declares that a renewal should be “pursuant to the terms and provisions of Clause 17 of the lease,” and that clause specifies a new lease “upon terms to be then agreed upon.” In effect, they say, this provision is an agreement to contract in the future, for a breach of which neither law nor equity provides a remedy.
(Autry
v.
Republic Productions, Inc.,
The general rule regarding contracts to agree in the future is stated to be as follows: “Although a promise may be sufficiently definite when it contains an option given to the promisor or promisee, yet if an essential element is reserved for the future agreement of both parties, the promise
*285
can give rise to no legal obligation until such future agreement. Since either party by the terms of the promise may refuse to agree to anything to which the other party will agree, it is impossible for the law to affix any obligation to such a promise.” (1 Williston, Contracts (Rev.ed. 1936) 131, §45.) The rule is well established in this state
(Autry
v.
Republic Productions, Inc., supra,
30 Cal.2d
151; Vangel
v.
Vangel,
Where the only term of a new lease requiring the agreement of the parties is the fixing of rent, some courts have adopted an exception to the general rule. One example is where the rent is to be fixed by arbitration. It has been held that submission to arbitration is ancillary to the main purposes of the option provision, and upon failure of the arbitrators to agree, a court of equity may fix the amount of rent. (See cases cited in
Glenn
v.
Bacon,
In
Streicher
v.
Heimburge,
In Chaney v. Schneider, supra, the option provision in controversy provided that “Lessor agrees to give Lessee first refusal for an additional term of lease, at rentals and terms to be mutually agreed upon at that time. ...” The trial court adjudged that the option entitled the lessee to an additional term of five years, upon the same terms and conditions as the original lease, but at an increased rental. Upon appeal, the judgment was affirmed, the court ruling that the renewal of the lease was the “essence of the contract” with the other terms and conditions merely incidental details.
Although there is an intimation in other decisions that a court of equity is empowered to fix a reasonable rental under an option provision reserving that matter to the future agreement of the parties
(cf. Penilla
v.
Gerstenkorn,
In the present ease, the original lease is nine typewritten pages in length and contains 17 separate numbered clauses in addition to the paragraph which includes the provision for securing a new lease. The only term fixed by the option provision as contemplated by a new lease is its duration. All of the other provisions are left to future agreement. In these circumstances, the terms of the option are too uncertain to make it enforceable as a contract right.
This conclusion does not mean, however, that the rights *287 claimed by the Abletts in the leasehold may not be enforced under a different theory. The Abletts assert that the Clausons are estopped to deny that the lease includes an absolute option to renew upon the same terms and conditions as provided by the original lease. Although the pleadings were framed upon that theory and facts were found from which an estoppel might be inferred, there was no finding that the Clausons are estopped to deny the Abletts’ right to an option, and the record does not compel that conclusion. From those facts, the trial court reasonably might have determined the issue of estoppel contrary to the claims of the Abletts in that regard.
The judgments are reversed.
Shenk, Acting C. J., Carter, J., Traynor, J., Sehauer, J., Spence, J., and Bray, J. pro tern., * concurred.
Notes
Assigned by Chairman of Judicial Council.
