OPINION OF THE COURT
McKEE, Chief Judge
This appeal arises from a land use dispute between Jeffrey DePolo, a federally licensed amateur or “ham” radio enthusiast, and the Township of Tredyffrin (“Township”). DePolo attempted to have the Township’s Zoning Hearing Board of Appeals (“ZHBA”) approve a 180-foot radio antenna tower on his property so that he could communicate with other ham ra
dio operators around the world. The property is surrounded by mountains or hills, and he claimed a shorter tower would not allow him to reliably communicate with other ham radio operators. The ZHBA denied permission for a 180-foot tower, but agreed to a tower that was 65-feet tall. The ZHBA viewed that intermediate height as a reasonable accommodation under the applicable zoning ordinance.
DePolo did not appeal that decision to the Chester Court of Common Pleas as is allowed under state law. Instead, he filed this suit in the U.S. District Court for the Eastern District of Pennsylvania. He claims that the Township’s zoning ordinance, which prohibited any building taller than 35-feet, is preempted as enacted and as applied under the applicable federal regulation, 47 C.F.R. § 97.15(b), and the closely related FCC declaratory ruling, known as PRB-1. The District Court granted motions to dismiss by the Township’s Board of Supervisors (“BOS”) and the ZHBA based upon its conclusion that the 65-foot variance offered by the ZHBA was a reasonable accommodation. The District Court also concluded that the Township’s zoning ordinance was not preempted by PRB-1.
For the reasons that follow, we conclude that DePolo’s failure to appeal the ZHBA’s determination to state court rendered the decision final and that, given the unique procedural history of this case, we must afford the ZHBA’s final judgment the same preclusive effect that it would have had in state court. It is therefore not reviewable in this suit.
I.
This dispute results from the frequent tension arising from local land use regulations. Local municipalities enact zoning ordinances to ensure the health, safety and general welfare of those residing within the municipality by regulating activities within the municipality. This typically involves creating various districts within the municipality and then regulating the use of the land and building type within those districts.
The land use regulations also usually provide that one or more administrative agencies of the local municipality are the appropriate forum for resolving disputes arising from these regulations. Accordingly, local governments are usually responsible for establishing mechanisms and processes to reconcile the competing interests of landowners and their neighbors. This is typically done through zoning ordinances, which are administered by a zoning officer and enforced by a quasi-judicial state administrative agency known as a zoning hearing board.
Amateur radio operators, or “hams,” often find that zoning ordinances inhibit the use of their own land by limiting the size of permitted radio towers to an extent that precludes all (or nearly all) amateur communications. Hams have an interest in maintaining successful amateur communications and in sustaining a strong network
of radio amateurs. Concomitantly, the towers that are necessary for reliable radio communication may impede the scenic view of neighbors, pedestrians or drivers. Moreover, concerns that such towers could fall onto nearby residences could theoretically decrease property values.
However, disputes such as the one at the center of this appeal affect more than local interests because the federal government also has an interest in preserving amateur radio communications. Hams who broadcast using these towers afford the federal government reliable emergency preparedness, national security, and disaster relief communications. Therefore, federal interests are furthered when local land use regulations do not unduly restrict the construction of these towers. The result is a “perfect storm” for conflict because there is a direct correlation between a ham’s antenna height and an ability to properly transmit signals.
The Federal Communications Commission (“FCC”) regulation 47 C.F.R. § 97.15(b) concerns amateur radio service. The applicable portion of the FCC’s regulation explains that:
Except as otherwise provided herein, a station antenna structure may be erected at heights and dimensions sufficient to accommodate amateur service communications. (State and local regulation of a station antenna structure must not preclude amateur service communications. Rather, it must reasonably accommodate such communications and must constitute the minimum practicable regulation to accomplish the state .or local authority’s legitimate purpose. See PRB-1, 101 FCC 2d 952 (1985) for details.)
As indicated by the language of this regulation, the FCC ruling, PRB-1, must be examined to obtain a more complete understanding of the regulation’s application.
The FCC issued PRB-1 in 1985 in an attempt “to strike a balance between the federal interest in promoting amateur operations and the legitimate interests of local governments in regulating local zoning matters.”
Indeed, this ruling weighs local government, federal government, and amateur radio operator interests, and has a limited, rather than complete, federal preemptive effect on local zoning ordinances. Thus, a zoning ordinance is preempted when a local municipality fails to apply the land use regulation in a manner that reasonably accommodates amateur communications. The federal courts that have interpreted PRB-1 have upheld this preemptive effect.
In publishing PRB-1, the FCC did not specify a minimum height below which local governments must allow for radio towers. Rather, as the FCC has explained, PRB-1 provides that “local regulations which involve placement, screening, or height of antennas based on health, safety, or aesthetic considerations must be crafted to accommodate reasonably amateur communications, and to represent the minimum practicable regulation to accomplish the local authority’s legitimate purpose.”
Notwithstanding PRB-l’s somewhat vague language, several principles emerge. First, local municipalities must reasonably accommodate amateur communications. Second, zoning ordinances should be the
minimum
practicable restrictions which accomplish the local municipalities’ legitimate purposes. Third, local municipalities may not ban all amateur communications towers. Finally, the FCC has explicitly declined to regulate the specific permissible heights for antenna towers.
II.
DePolo’s property is an R1/2 residential zoning district.
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OPINION OF THE COURT
McKEE, Chief Judge
This appeal arises from a land use dispute between Jeffrey DePolo, a federally licensed amateur or “ham” radio enthusiast, and the Township of Tredyffrin (“Township”). DePolo attempted to have the Township’s Zoning Hearing Board of Appeals (“ZHBA”) approve a 180-foot radio antenna tower on his property so that he could communicate with other ham ra
dio operators around the world. The property is surrounded by mountains or hills, and he claimed a shorter tower would not allow him to reliably communicate with other ham radio operators. The ZHBA denied permission for a 180-foot tower, but agreed to a tower that was 65-feet tall. The ZHBA viewed that intermediate height as a reasonable accommodation under the applicable zoning ordinance.
DePolo did not appeal that decision to the Chester Court of Common Pleas as is allowed under state law. Instead, he filed this suit in the U.S. District Court for the Eastern District of Pennsylvania. He claims that the Township’s zoning ordinance, which prohibited any building taller than 35-feet, is preempted as enacted and as applied under the applicable federal regulation, 47 C.F.R. § 97.15(b), and the closely related FCC declaratory ruling, known as PRB-1. The District Court granted motions to dismiss by the Township’s Board of Supervisors (“BOS”) and the ZHBA based upon its conclusion that the 65-foot variance offered by the ZHBA was a reasonable accommodation. The District Court also concluded that the Township’s zoning ordinance was not preempted by PRB-1.
For the reasons that follow, we conclude that DePolo’s failure to appeal the ZHBA’s determination to state court rendered the decision final and that, given the unique procedural history of this case, we must afford the ZHBA’s final judgment the same preclusive effect that it would have had in state court. It is therefore not reviewable in this suit.
I.
This dispute results from the frequent tension arising from local land use regulations. Local municipalities enact zoning ordinances to ensure the health, safety and general welfare of those residing within the municipality by regulating activities within the municipality. This typically involves creating various districts within the municipality and then regulating the use of the land and building type within those districts.
The land use regulations also usually provide that one or more administrative agencies of the local municipality are the appropriate forum for resolving disputes arising from these regulations. Accordingly, local governments are usually responsible for establishing mechanisms and processes to reconcile the competing interests of landowners and their neighbors. This is typically done through zoning ordinances, which are administered by a zoning officer and enforced by a quasi-judicial state administrative agency known as a zoning hearing board.
Amateur radio operators, or “hams,” often find that zoning ordinances inhibit the use of their own land by limiting the size of permitted radio towers to an extent that precludes all (or nearly all) amateur communications. Hams have an interest in maintaining successful amateur communications and in sustaining a strong network
of radio amateurs. Concomitantly, the towers that are necessary for reliable radio communication may impede the scenic view of neighbors, pedestrians or drivers. Moreover, concerns that such towers could fall onto nearby residences could theoretically decrease property values.
However, disputes such as the one at the center of this appeal affect more than local interests because the federal government also has an interest in preserving amateur radio communications. Hams who broadcast using these towers afford the federal government reliable emergency preparedness, national security, and disaster relief communications. Therefore, federal interests are furthered when local land use regulations do not unduly restrict the construction of these towers. The result is a “perfect storm” for conflict because there is a direct correlation between a ham’s antenna height and an ability to properly transmit signals.
The Federal Communications Commission (“FCC”) regulation 47 C.F.R. § 97.15(b) concerns amateur radio service. The applicable portion of the FCC’s regulation explains that:
Except as otherwise provided herein, a station antenna structure may be erected at heights and dimensions sufficient to accommodate amateur service communications. (State and local regulation of a station antenna structure must not preclude amateur service communications. Rather, it must reasonably accommodate such communications and must constitute the minimum practicable regulation to accomplish the state .or local authority’s legitimate purpose. See PRB-1, 101 FCC 2d 952 (1985) for details.)
As indicated by the language of this regulation, the FCC ruling, PRB-1, must be examined to obtain a more complete understanding of the regulation’s application.
The FCC issued PRB-1 in 1985 in an attempt “to strike a balance between the federal interest in promoting amateur operations and the legitimate interests of local governments in regulating local zoning matters.”
Indeed, this ruling weighs local government, federal government, and amateur radio operator interests, and has a limited, rather than complete, federal preemptive effect on local zoning ordinances. Thus, a zoning ordinance is preempted when a local municipality fails to apply the land use regulation in a manner that reasonably accommodates amateur communications. The federal courts that have interpreted PRB-1 have upheld this preemptive effect.
In publishing PRB-1, the FCC did not specify a minimum height below which local governments must allow for radio towers. Rather, as the FCC has explained, PRB-1 provides that “local regulations which involve placement, screening, or height of antennas based on health, safety, or aesthetic considerations must be crafted to accommodate reasonably amateur communications, and to represent the minimum practicable regulation to accomplish the local authority’s legitimate purpose.”
Notwithstanding PRB-l’s somewhat vague language, several principles emerge. First, local municipalities must reasonably accommodate amateur communications. Second, zoning ordinances should be the
minimum
practicable restrictions which accomplish the local municipalities’ legitimate purposes. Third, local municipalities may not ban all amateur communications towers. Finally, the FCC has explicitly declined to regulate the specific permissible heights for antenna towers.
II.
DePolo’s property is an R1/2 residential zoning district. On November 25, 2013, DePolo submitted an application to the Township zoning officer requesting a building permit to construct a 180-foot tower on his property. His application was denied by the zoning officer who concluded that Section 208-18(G) of the zoning ordinance limited structures in the R& Residence Zoning District to 35-feet.
Notwithstanding that restriction, however, the zoning officer offered DePolo a permit to construct a 65-foot tower. DePolo rejected this proposal and appealed the denial of his application to the ZHBA.
His appeal was accompanied by a variance application in which he asked the ZHBA to allow him to engage in an activity that was otherwise prohibited by the zoning ordinance.
DePolo’s variance application, if granted, would have allowed him to erect a tower that exceeded the height restriction in the ordinance.
The ZHBA held hearings over a total of five days between March and June 2014. During those hearings, DePolo offered expert reports and testimony to support his contention that the zoning officer erred in refusing to issue the requested permit. He offered the testimony to support his claim that, because of the surrounding topography, he needed an antenna tower of 180-feet to be able to ensure reliable radio communications.
At the conclusion of the hearings, on October 23, 2014, the ZHBA granted De-Polo a variance for a 65-foot tower, even though he withdrew his application for a variance prior to the conclusion of the ZHBA hearing. The ZHBA concluded that DePolo’s proposed 180-foot tower was “not compatible” with the surrounding residential neighborhood and would create an adverse visual impact on the neighborhood. The ZHBA also concluded that the tower’s “height, mass, and latticework design” was “of a type universally associated with ... a factory area or industrialized complex” and posed a safety hazard to neighboring properties because its fall radius extended well into those properties. While acknowledging that the PRB-1 still gave local municipalities authority to regulate the height of structures, the ZHBA noted that the mu
nicipality may forbid the construction and installation of antennas that are associated with those found in a factory area or an industrialized complex.
The ZHBA also noted that a 180-foot tower greatly exceeds the height of the residences in the area.
The ZHBA explained its rejection of DePolo’s preemption claim as follows:
Regardless, where the height limitations of the Zoning Ordinance are not absolute and can, by the very language of the Zoning Ordinance and the Pennsylvania Municipalities Planning Code, be varied or modified, they cannot be considered absolute or unvarying. Therefore, § 208-18.G of the Zoning Ordinance is not invalid.
Rather than appeal that decision to the Chester County Court of Common Pleas as provided under the state regulatory scheme, DePolo filed this suit in federal court. He now claims that the ZHBA’s 65-foot variance and the zoning ordinance’s fixed and firm height restriction of 35-feet, as enacted and as applied, was preempted by PRB-1.
The BOS and the ZHBA moved to dismiss DePolo’s suit for failure to state a claim. The District Court agreed and granted the motions. It held that the Township’s proposed 65-foot variance was a valid and reasonable accommodation for DePolo’s 180-foot tower request and held that the Township’s local zoning ordinance was not preempted by PRB-1. The Dis-Met Court was also troubled by DePolo’s insistence that a 180-foot tower was necessary to satisfy the FCC’s reasonable accommodation requirements, and exhorted the “parties to work together to arrive at a satisfactory solution.”
No such solution was achieved. This appeal followed.
III.
We have jurisdiction pursuant to 28 U.S.C. § 1291. A District Court’s dismissal of a complaint under Rule 12(b)(6) is reviewed
de novo.
Accordingly, we assume the truth of the factual allegations and draw every reasonable inference in favor of DePolo. We have yet to consider the effect of PRB-1 on local land use disputes. Moreover, this is the first time in the 30-year history of PRB-1 that a District Court has dismissed a preemption claim under § 97.15(b) pursuant to Fed. R. Civ. P. 12(b)(6).
Although we have not decided a PRB-1 preemption claim, we touched upon it in
Izzo v. Borough of River Edge,
843 F.2d 765 (3d Cir. 1988). There, an amateur radio operator brought action against the Borough of River Edge, its zoning officer, and members of the planning board, challenging the legality of the prohibition of a 40-foot transmission tower. The United States District Court for the District of New Jersey abstained under
Burfod v. Sun Oil Co.,
and we held that abstention was
improper. We explained that abstention was unnecessary because land use regulation was not so technical that it required the District Court to enmesh itself in a highly specialized local regulatory scheme. Although DePolo suggests that we should decide this case on the merits and hold that a 12(b)(6) dismissal is simply not appropriate here, the procedural posture of this case precludes our review of the merits of his claims.
We have explained that “in determining whether a litigant has been given a ‘full and fair’ opportunity to litigate a claim, we must take into account the possibility of appellate review” because a full and fair opportunity to litigate “includes the possibility of a chain of appellate review.”
The ZHBA is a state administrative agency acting in a quasi-judicial capacity. It resolved this dispute by issuing a written determination containing final findings of fact and conclusions of law. While DePolo was aggrieved by the ZHBA’s decision limiting the variance to 65-feet, he had adequate opportunity to litigate the matter beyond the ZHBA by appealing to the appropriate Court of Common Pleas within thirty days of the ZHBA’s decision.
Rather than do that, DePolo filed this suit in the District Court, and allowed the thirty-day appeal period under state law to expire. This was fatal to his ability to obtain federal review of his claim.
De-Polo actually withdrew his request for a variance before the ZHBA and then failed to challenge its factual findings or legal conclusions in the forum provided under state law. He is therefore now bound by the final judgment of the ZHBA.
Its ruling is a final judgment on the merits that is entitled to preclusive effect in federal court.
Accordingly, we will dismiss this appeal.