delivered the opinion of the court:
The only question necessary to consider on this appeal is one of jurisdiction, and notice to interested parties; for if the city had power to make the improvement, and in doing so violated no express provision of its charter, and *507the abutting property owners had notice of, and an opportunity for, a hearing upon the question as to the proportionate share of the cost of the proposed improvement to he assessed against their property before the same became irrevocably fixed, a court of equity will not, after the work is completed, restrain the enforcement of the assessment on account of irregularities in the proceedings. The provisions of the charter of the defendant bearing on the question before us, in force at the time of this improvement, are as follows: “ Section 46. The council is authorized to improve or repair any street or part thereof whenever it deems it expedient, and to declare by ordinance before doing the same whether the cost thereof, in whole or in part, shall be assessed upon the adjacent property or be paid out of the general fund of the city. Section 47. If the council declares that a proposed improvement or repairs shall be at the cost, in whole or in part, of the adjacent property, the proposed improvement or repairs shall be made accordingly; but if it declares that the cost thereof, in whole or in part, shall be paid out of the general fund, such repairs may be made as the ordinance may provide, and be paid for accordingly. Section 24. Whenever the council of the city of Salem deems it expedient to improve a street or part thereof, it may proceed to ascertain and determine the probable cost of making such improvement, and assess upon each lot or part thereof liable therefor, its proportionate share of such costs. Section 38. Each lot or part thereof within the limits of a street * * * shall be liable for the cost, in whole or in part, as the council may determine, of making a proposed improvement upon the balance of a half street in front. Section 25. Whenever the probable costs of the improvements have been ascertained and determined, and the proportionate share thereof of each lot or part thereof has been assessed, as provided for in section 24, the council must declare the same by ordinance, and direct the *508city recorder to enter a statement thereof in the docket of the city liens, as provided for in the next section. Section 11. A sum of money assessed for the improvement of a street cannot be collected until, by order of the council, ten days’ notice thereof is given by the recorder by the publication in a weekly or daily newspaper, published in the city of Salem. Such notice must substantially contain the matters required to be entered in the docket of city liens concerning such assessment. Section 12. If, within five days from the final publication of the notice prescribed in section 11, the sum assessed upon any lot or part thereof is not wholly paid to the city treasurer, and a duplicate receipt therefor filed with the recorder, the council may thereafter order a warrant for the collection of the same to be issued by the recorder, directed to the city marshal or other person authorized to collect taxes due the city.”
1. These provisions of the charter contain a general grant of power to improve a street at the expense of the abutting property, and the mode of its exercise is not restricted, except as to the manner of making the cost thereof a charge upon the abutting property. The wisdom and expediency of the improvement, the character and cost of the work, the manner of letting the contract or doing the work, are all matters of legislative control, and vested by the charter in the discretion of the council, and upon which the property owners have no constitutional or charter right to be heard: Paulsen v. City of Portland, 149 U. S. 30 (13 Sup. Ct. Rep. 750); Spencer v. Merchant, 100 N. Y. 585 (3 N. E. Rep. 682; S. C. 125 U. S. 345; 8 Sup. Ct. Rep. 92). It is contended, however, that the charter is unconstitutional because it makes no provision for notice at any stage of the proceedings to the property owners. We do not understand that it is essential to the validity of a city charter, granting power to improve a street, that it should contain a provision for notice to the property owners. It is enough *509if the power is granted in general terms, for, as was said by Mr. Justice Brewer in the recent case of Paulsen v. City of Portland, “ the city is a miniature state, the council is its legislature, the charter is its constitution; and it is enough if, in that, the power is granted in general terms, for when granted, it must necessarily be exercised subject to all limitations imposed by constitutional provisions, and the power to prescribe the mode of its exercise is, except as restricted, subject to the legislative discretion of the council. Thus, in the case of Gilmore v. Hentig, 33 Kan. 156 (5 Pac. Rep. 781), where a statute authorizes a city to provide for the construction of sewers and drains, and to tax the cost thereof upon the adjacent property owners, but does not require that any notice shall be given to the property owners, it was held that such failure to require notice does not render the statute unconstitutional or void, but notice must nevertheless be given, and the city would have a broad discretion with reference to the kind of notice and the manner of giving the same”: See also Cleveland v. Tripp, 13 R. I. 50; Williams v. Mayor of Detroit, 2 Mich. 560; Gatch v. Des Moines, 63 Iowa, 718 (18 N. W. Rep. 310). Under a general grant of power to do work of this kind, the city may by ordinance, as was done in this case, provide for notice to the property owner, and the rule is that if provision is made “for notice to and hearing of each proprietor at some stage of the proceedings upon the question of what proportion of the tax shall be assessed upon his land, there is no taking of his property without due process of law ”: McMillen v. Anderson, 95 U. S. 37; Davidson v. New Orleans, 96 U. S. 97; Hagar v. Reclamation Dist. No. 108, 111 U. S. 701 (4 Sup. Ct. Rep. 660); Spencer v. Merchant, 125 U. S. 345 (8 Sup. Ct. Rep. 921). Now in this case notice and an opportunity to be heard were given to the plaintiffs in pursuance of an ordinance of the city providing therefor, and prescribing its terms, before any assessment was made or attempted to be made. They did *510not see fit to avail themselves of the opportunity thus afforded, but now seek relief in a court of equity because, as they allege, the assessment as made was unequal and unjust. This they cannot be allowed to do. Having had notice and an opportunity to be heard, they should have appeared before the council and made- their objection at the proper time, and not having done so are now bound by the assessment.
2. It is next contended that the assessment in this case is void because made according to frontage. Section 38 provides that each lot or part thereof shall be liable in whole or in part for the cost, as the council may determine, of making a proposed improvement upon the half-street in front thereof; and section 24 provides that the council may assess upon each lot or part thereof liable therefor, its proportionate share of said cost. It thus seems that the rule for estimating the cost of making the improvement in front of a lot or part thereof, and the proportionate share to be assessed thereon, is not prescribed by the charter, but is left to the judgment and discretion of th6 council. In such case an assessment by the front foot is held valid and constitutional by numerous authorities. And while it may be admitted that.such a measure of apportionment seems arbitrary, and likely to operate inequitably in some cases, and liable to other objections of more or less validity, yet, as Judge Cooley says, “the question is a fairly debatable one whether they are likely to be more serious or more frequent than those which are to be anticipated from the selection of some other rule”: Cooley, Taxation, 451. And this question must be deemed settled by the legislative judgment of the council, where no mode is prescribed by the charter: King v. City of Portland, 2 Or. 146; Sheley v. City of Detroit, 45 Mich. 431 (8 N. W. Rep. 52); Norfolk City v. Ellis, 26 Gratt. 224; Davis v. City of Lynchburg, 84 Va. 861 (6 S. E. Rep. 230); Farrar v. City of St. Louis, 80 Mo. 379.
*5113. But whatever may have been the equitable or j ust mode of assessment under the charter, the one actually adopted by the city, if unwise, was at most only an irregularity which might have been corrected if brought to the attention of the council by plaintiffs at the proper time, but having neglected to do this, we think they are now estopped from objecting to the assessment as actually made. They had notice of the intended assessment, and an opportunity to be heard before it was made, and, not having availed themselves of the opportunity thus given, they are chargeable with knowledge of the method adopted by the city, and, having suffered the work to proceed to final completion and acceptance without protest or objection, and having thus received the benefit of the improvement in the enhanced value of their property, they are now estopped from contesting the validity of the assessment on the ground of any irregularity in the proceedings: 2 Hermann, Estoppel, § 1221; Elliott, Roads and Streets, 420; Kellogg v. Ely, 15 Ohio St. 64; People v. Utica, 65 Barb. 9; Darst v. Griffin, 31 Neb. 668 (48 N. W. Rep. 819); Loder v. McGovern, 48 N. J. Eq. 275 (22 Atl. Rep. 199; 27 Am. St. Rep. 446); Taber v. Ferguson, 109 Ind. 227 (9 N. E. Rep. 723); Prezinqer v. Harness, 114 Ind. 491 (16 N. E. Rep. 495).
In this case the council had jurisdiction under the charter to make the improvement at the expense of the abutting property, and the plaintiffs had notice and were given an opportunity to be heard before the assessment was made. This being so, it is now too late to take advantage of any irregularity which may have occurred in the proceedings. “The weight of authority,” says Judge Elliott, “is very decidedly in favor of the rule that where there is jurisdiction, the property owner who sees the improvement made and offers no objection until after the work has been done, cannot defeat the assessment upon the ground that the proceedings have not been regular ”: *512Elliott, Roads and Streets, 419. If any irregularities or informalities occurred in the proceedings of the council in directing the work, or by including in ordinance number two hundred and forty-two matter that should have been in a separate ordinance, or in changing the specifications from screened to selected gravel after the assessment was made, or in any other particular not affecting the jurisdiction, it would be unjust and inequitable, after the work has been completed and accepted by the city, for a court of equity to restrain the collection of the assessment. The plaintiffs, who are residents of Salem and had actual knowledge that the work was being done, have stood by and seen the street improved for the benefit of their property without objection, and now ought not to be allowed to shift the burden of making the improvement from themselves to the general taxpayers of the city. Assessments for street and other similar improvements are upheld upon the theory that the property within the assessment district is benefited in a special and peculiar manner in a sum equal to the amount assessed against it, and that the owner has thus received a peculiar and pecuniary benefit by the improvement which the citizens generally do not share. Unless, therefore, the proceedings under which the improvement was made are so radically defective as to be totally void, the property owner who stood by and received the benefit with apparent willingness will be estopped to assert the invalidity of such proceedings. “ He cannot enjoy the benefits and escape the burden,” says Mitchell, C. J., “unless he interferes or gives notice before the benefit is received”: Foss v. Stackhouse, 114 Ind. 200 (16 N. E. Rep. 501). Whatever plaintiffs’ rights may have been in the beginning, they have stood by and acquiesced until the rights of others have intervened, and they must now in equity be deemed to have made an effectual election to waive any and all irregularities in the proceedings under which such rights *513have been acquired. This, it seems to us, disposes of the question of the validity of the assessment; for, as soon as it is ascertained that the council had jurisdiction to make the improvement, and the property owner an opportunity to be heard on the question of his assessment, the other objections are mere irregularities which cannot now be urged in a suit to restrain the tax, but which might and should have been raised by some proper proceeding before the work was completed.
It is claimed, however, that the warrant under which plaintiffs’ property was advertised for sale was prematurely issued, because no order was ever made by the council authorizing or directing the publication of notice of the assessment as required by section 11 of the charter. The notice required by this section was evidently designed to give the property owner an opportunity to pay the assessment before any costs should be made thereon, and is therefore a condition precedent to the right to order a warrant for the collection of the same to issue. It is not alleged that the notice was not in fact given, and it affirmatively appearing that an order was made by the council directing the warrant for the collection of the assessment to issue as required by section 12, which could only be done after the publication required by section 11, it would of itself probably operate as a ratication. But however this may be, the answer denies the allegations of the comp laint as to the want of an order by the council authorizing and directing the notice to be published, and affirmatively alleges that the notice was given in all respects as required by the charter, and as the case is here on a demurrer to the answer, this allegation must be taken as true for the purpose of this opinion, and we must therefore assume that the order authorizing the publication of the notice was in fact made.
It follows from what has been said that the decree of the court below must be reversed and this cause remanded *514for further proceedings not inconsistent with this opinion.
Reversed.